Overall Green Volcanic eruption for Santa Maria - Santiaguito
in Guatemala

Volcano Ash Advisories for air traffic

Although Volcano Ash Advisories (VAAC) are not intended for assessing humanitarian impact, the observations of the plume are relevant for understanding local impact. The actual impact (like ash fall) depends on the type of eruption and is not known.

Click on the messages list to visualize on the right the detailed text.



Volcanic Ash Advisory issued on 2025-06-11 at 08:23 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • No volcanic ash emission have been seen for more than six hours. No new reports. Webcam inop. Lee.

Original Message :

Received FVXX25 at 08:25 UTC, 11/06/25 from KNES
VA ADVISORY
DTG: 20250611/0823Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/482
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ENDED.
OBS VA DTG: 11/0750Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 11/1400Z NO VA EXP
FCST VA CLD +12HR: 11/2000Z NO VA EXP
FCST VA CLD +18HR: 12/0200Z NO VA EXP
RMK: NO VA EMS HAVE BEEN SEEN FOR MORE THAN SIX
HRS. NO NEW REPORTS. WEBCAM INOP. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-06-11 at 02:45 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense cloud cover has moved into the and precluded seeing any volcanic ash over the last observation before a break in coverage at a manual station few hours. However, activity likely ongoing due to volume past recent activity. Volcanic ash presumed move w according to nwp webcam inop. Lee.

Original Message :

Received FVXX25 at 02:48 UTC, 11/06/25 from KNES
VA ADVISORY
DTG: 20250611/0245Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/481
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
OBS VA DTG: 11/0210Z
OBS VA CLD: SFC/FL150 N1451 W09158 - N1447 W09133 - N1444 W09133 - N1443 W09159 - N1451 W09158 MOV W 10KT
FCST VA CLD +6HR: 11/0800Z SFC/FL150 N1451 W09158 - N1447 W09133 - N1444 W09133 - N1443 W09159 - N1451 W09158
FCST VA CLD +12HR: 11/1400Z NO VA EXP
FCST VA CLD +18HR: 11/2000Z NO VA EXP
RMK: DENSE CLD COVER HAS MOVED INTO THE REGION
AND PRECLUDED SEEING ANY VA OVER THE LAST FEW
HRS. HOWEVER, ACT LIKELY ONGOING DUE TO VOL PAST
RECENT ACT. VA PRESUMED MOV W ACCORDING TO NWP
MDLS. WEBCAM INOP. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250611/0845Z
Volcanic Ash Advisory issued on 2025-06-10 at 20:55 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission seen in satellite.
  • Volcanic ash seen in satellite move w and extending around 30 nm from summit. Model guidance show a continue w/wnw move through t+18 hours. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX25 at 20:57 UTC, 10/06/25 from KNES
VA ADVISORY
DTG: 20250610/2055Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/480
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS SEEN IN SAT
OBS VA DTG: 10/2020Z
OBS VA CLD: SFC/FL150 N1455 W09201 - N1446 W09133 - N1444 W09134 - N1447 W09202 - N1455 W09201 MOV W 10KT
FCST VA CLD +6HR: 11/0230Z SFC/FL150 N1457 W09210 - N1446 W09133 - N1444 W09134 - N1447 W09211 - N1457 W09210
FCST VA CLD +12HR: 11/0830Z SFC/FL150 N1507 W09207 - N1445 W09133 - N1444 W09134 - N1457 W09210 - N1507 W09207
FCST VA CLD +18HR: 11/1430Z SFC/FL150 N1459 W09209 - N1446 W09132 - N1444 W09134 - N1450 W09210 - N1459 W09209
RMK: VA SEEN IN SAT MOV W AND EXTDG ARND 30 NM FM
SUMMIT. MODEL GUIDANCE SHOW A CONT W/WNW MOV THRU
T+18 HRS. MOV AND HGT BASED ON SAT AND NWP.
...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250611/0300Z
Volcanic Ash Advisory issued on 2025-06-10 at 14:57 UTC.

    Key information extracted from original VAA message :


  • Frequent volcanic ash emission.
  • Volcanic ash emission visible in satellite img move southwest ext approximate 15nm from summit. Mvmt to shift nw by t+18. And mvmt based on satellite and model. Gatling.

Original Message :

Received FVXX25 at 14:59 UTC, 10/06/25 from KNES
VA ADVISORY
DTG: 20250610/1457Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/479
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: FREQUENT VA EMS
OBS VA DTG: 10/1430Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1435 W09147 - N1443 W09150 - N1446 W09132 MOV SW 5KT
FCST VA CLD +6HR: 10/2030Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1429 W09152 - N1440 W09157 - N1446 W09132
FCST VA CLD +12HR: 11/0230Z SFC/FL140 N1449 W09158 - N1446 W09133 - N1445 W09132 - N1438 W09157 - N1449 W09158
FCST VA CLD +18HR: 11/0830Z SFC/FL140 N1507 W09145 - N1446 W09132 - N1445 W09133 - N1457 W09155 - N1507 W09145
RMK: VA EMS VISIBLE IN STLT IMG MOV SW EXT APRX
15NM FM SUMMIT. MVMT TO SHIFT NW BY T+18. FL AND
MVMT BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250610/2100Z
Volcanic Ash Advisory issued on 2025-06-10 at 09:06 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • A couple puffs were noted in infrared satellite imagery over the past few hours. Clouds have recently moved over the summit region. Volcanic ash move to the w of the summit. Webcam inop. Lee.

Original Message :

Received FVXX25 at 09:09 UTC, 10/06/25 from KNES
VA ADVISORY
DTG: 20250610/0906Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/478
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 10/0830Z
OBS VA CLD: SFC/FL140 N1450 W09152 - N1446 W09133 - N1444 W09134 - N1444 W09152 - N1450 W09152 MOV W 10KT
FCST VA CLD +6HR: 10/1430Z SFC/FL140 N1445 W09133 - N1445 W09132 - N1434 W09147 - N1440 W09150 - N1445 W09133
FCST VA CLD +12HR: 10/2030Z SFC/FL140 N1446 W09134 - N1445 W09132 - N1430 W09141 - N1434 W09147 - N1446 W09134
FCST VA CLD +18HR: 11/0230Z SFC/FL140 N1446 W09134 - N1444 W09132 - N1439 W09152 - N1445 W09152 - N1446 W09134
RMK: A COUPLE PUFFS WERE NOTED IN IR STLT IMAGERY
OVER THE PAST FEW HRS. CLDS HAVE RECENTLY MOVD
OVER THE SUMMIT REGION. VA MOV TO THE W OF THE
SUMMIT. WEBCAM INOP. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250610/1500Z
Volcanic Ash Advisory issued on 2025-06-10 at 03:24 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense cloud cover in the vicinity of the summit has precluded seeing recent volcanic ash emission. However, activity likely based on past recent volume hist. Volcanic ash presumed move to southwest based on nmp webcam inop. Lee.

Original Message :

Received FVXX25 at 03:25 UTC, 10/06/25 from KNES
VA ADVISORY
DTG: 20250610/0324Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/477
INFO SOURCE: GOES-19.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
OBS VA DTG: 10/0250Z
OBS VA CLD: SFC/FL150 N1446 W09134 - N1443 W09131 - N1429 W09149 - N1438 W09154 - N1446 W09134 MOV SW 10KT
FCST VA CLD +6HR: 10/0900Z SFC/FL150 N1447 W09132 - N1443 W09131 - N1433 W09151 - N1441 W09153 - N1447 W09132
FCST VA CLD +12HR: 10/1500Z NO VA EXP
FCST VA CLD +18HR: 10/2100Z NO VA EXP
RMK: DENSE CLD COVER IN THE VICINITY OF THE
SUMMIT HAS PRECLUDED SEEING RECENT VA EMS.
HOWEVER, ACT LIKELY BASED ON PAST RECENT VOL
HIST. VA PRESUMED MOV TO SW BASED ON NMP MDLS.
WEBCAM INOP. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250610/0930Z
Volcanic Ash Advisory issued on 2025-06-09 at 21:48 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite img extg apprx 10 nm southwest from summit. Little change in forecast exp through t+18 hours. Mvmt and height based on satellite observation and nwp. Bertalan.

Original Message :

Received FVXX25 at 21:54 UTC, 09/06/25 from KNES
VA ADVISORY
DTG: 20250609/2148Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/476
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS OBSD
OBS VA DTG: 09/2110Z
OBS VA CLD: SFC/FL150 N1446 W09133 - N1445 W09132 - N1438 W09140 - N1444 W09144 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 10/0300Z SFC/FL150 N1447 W09133 - N1445 W09132 - N1432 W09144 - N1440 W09151 - N1447 W09133
FCST VA CLD +12HR: 10/0900Z SFC/FL150 N1447 W09133 - N1446 W09133 - N1443 W09152 - N1435 W09147 - N1445 W09132 - N1447 W09133
FCST VA CLD +18HR: 10/1500Z SFC/FL150 N1447 W09133 - N1445 W09132 - N1435 W09146 - N1443 W09152 - N1447 W09133
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 10 NM SW
FM SUMMIT. LTLCG IN FCST EXP THRU T+18 HRS. MVMT
AND HGT BASED ON STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250610/0345Z
Volcanic Ash Advisory issued on 2025-06-09 at 15:56 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash em.
  • Volcanic ash seen in satellite img moving southwest apx 30 nmi from summit. General southwest movnt exp through t+18 hours. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX25 at 15:58 UTC, 09/06/25 from KNES
VA ADVISORY
DTG: 20250609/1556Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/475
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: CONT VA EM
OBS VA DTG: 09/1530Z
OBS VA CLD: SFC/FL150 N1447 W09134 - N1444 W09132 - N1425 W09159 - N1439 W09205 - N1447 W09134 MOV SW 10KT
FCST VA CLD +6HR: 09/2130Z SFC/FL150 N1446 W09132 - N1445 W09131 - N1417 W09146 - N1427 W09200 - N1446 W09132
FCST VA CLD +12HR: 10/0330Z SFC/FL150 N1446 W09134 - N1444 W09132 - N1420 W09154 - N1434 W09207 - N1446 W09134
FCST VA CLD +18HR: 10/0930Z SFC/FL150 N1446 W09132 - N1444 W09131 - N1413 W09148 - N1426 W09202 - N1446 W09132
RMK: VA SEEN IN STLT IMG MOVG SW APX 30 NMI FM
SUMMIT. GEN SW MOVNT EXP THRU T+18 HRS. FCST BSD
ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20250609/2200Z
Volcanic Ash Advisory issued on 2025-06-09 at 10:02 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission observation.
  • Continue volcanic ash emission observation in satellite imagery move southwest from the summit. Continue volcanic ash forecast to move southwest from summit through t+18hrs before disp. Volcano activity moderate to high. Fisher.

Original Message :

Received FVXX25 at 10:03 UTC, 09/06/25 from KNES
VA ADVISORY
DTG: 20250609/1002Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/474
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 09/0930Z
OBS VA CLD: SFC/FL150 N1446 W09132 - N1427 W09213 - N1437 W09216 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 09/1530Z SFC/FL150 N1446 W09132 - N1422 W09210 - N1434 W09215 - N1446 W09132
FCST VA CLD +12HR: 09/2130Z SFC/FL150 N1446 W09132 - N1420 W09208 - N1432 W09214 - N1446 W09132
FCST VA CLD +18HR: 10/0330Z SFC/FL150 N1446 W09133 - N1417 W09208 - N1432 W09215 - N1446 W09133
RMK: CONT VA EMS OBS IN STLT IMAGERY MOV SW FM
THE SUMMIT. CONT VA FCST TO MOV SW FM SUMMIT THRU
T+18HRS BEFORE DISP. VO ACT MODERATE TO HIGH.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250609/1600Z
Volcanic Ash Advisory issued on 2025-06-09 at 04:32 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission.
  • Continue volcanic ash emission observation move southwest from summit in satellite imagery. Volcanic ash forecast to continue southwest move through t+18hrs before disp. Volcano activity moderate. Fisher.

Original Message :

Received FVXX25 at 04:34 UTC, 09/06/25 from KNES
VA ADVISORY
DTG: 20250609/0432Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/473
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS
OBS VA DTG: 09/0400Z
OBS VA CLD: SFC/FL150 N1446 W09132 - N1429 W09153 - N1437 W09158 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 09/1000Z SFC/FL150 N1446 W09132 - N1435 W09157 - N1444 W09159 - N1446 W09132
FCST VA CLD +12HR: 09/1600Z SFC/FL150 N1446 W09133 - N1431 W09155 - N1439 W09200 - N1446 W09133
FCST VA CLD +18HR: 09/2200Z SFC/FL150 N1446 W09132 - N1430 W09155 - N1437 W09159 - N1446 W09132
RMK: CONT VA EMS OBS MOV SW FM SUMMIT IN STLT
IMAGERY. VA FCST TO CONT SW MOV THRU T+18HRS
BEFORE DISP. VO ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250609/1030Z
Volcanic Ash Advisory issued on 2025-06-08 at 22:39 UTC.

    Key information extracted from original VAA message :


  • Occasional to frqt volcanic ash emission.
  • Multiple volcanic ash clouds obsd moving southwest from summit to about 20 nmi from summit. Estd from nwp models that forecast winds to slowly veer through t+18hrs. Hosley.

Original Message :

Received FVXX25 at 22:41 UTC, 08/06/25 from KNES
VA ADVISORY
DTG: 20250608/2239Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/472
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCNL TO FRQT VA EMS.
OBS VA DTG: 08/2150Z
OBS VA CLD: SFC/FL145 N1446 W09133 - N1444 W09132 - N1430 W09146 - N1435 W09150 - N1446 W09133 MOV SW 15KT
FCST VA CLD +6HR: 09/0400Z SFC/FL145 N1446 W09132 - N1445 W09132 - N1430 W09151 - N1442 W09157 - N1446 W09132
FCST VA CLD +12HR: 09/1000Z SFC/FL145 N1446 W09133 - N1444 W09132 - N1431 W09155 - N1444 W09200 - N1446 W09133
FCST VA CLD +18HR: 09/1600Z SFC/FL145 N1446 W09132 - N1444 W09132 - N1431 W09156 - N1444 W09201 - N1446 W09132
RMK: MULT VA CLDS OBSD MOVG SW FM SUMMIT TO ABT
20 NMI FM SUMMIT. FL ESTD FM NWP MDLS THAT FCST
WINDS TO SLOWLY VEER THRU T+18HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250609/0445Z
Volcanic Ash Advisory issued on 2025-06-08 at 16:49 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission obsd.
  • Volcanic ash emission obsd extg apprx 25 nm wsw from summit. Wsw mvmt exp to shift southwest by t+6 hrs, and exp to shift w by t+18 hours. Mvmt and height based on satellite.

Original Message :

Received FVXX25 at 16:53 UTC, 08/06/25 from KNES
VA ADVISORY
DTG: 20250608/1649Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/471
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS OBSD
OBS VA DTG: 08/1620Z
OBS VA CLD: SFC/FL145 N1446 W09132 - N1445 W09132 - N1437 W09157 - N1443 W09159 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 08/2230Z SFC/FL145 N1446 W09133 - N1445 W09132 - N1428 W09159 - N1435 W09203 - N1446 W09133
FCST VA CLD +12HR: 09/0430Z SFC/FL145 N1446 W09133 - N1444 W09132 - N1429 W09159 - N1437 W09203 - N1446 W09133
FCST VA CLD +18HR: 09/1030Z SFC/FL145 N1446 W09204 - N1446 W09132 - N1444 W09132 - N1438 W09203 - N1446 W09204
RMK: VA EMS OBSD EXTG APPRX 25 NM WSW FM SUMMIT.
WSW MVMT EXP TO SHIFT SW BY T+6 HRS, AND EXP TO
SHIFT W BY T+18 HRS. MVMT AND HGT BASED ON STLT
OBS AND NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250608/2245Z
Volcanic Ash Advisory issued on 2025-06-08 at 12:52 UTC.

    Key information extracted from original VAA message :


  • Ocsl volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite img extg apprx 20 nm w from summit. W mvmt exp to shift wsw by t+6 hrs, and exp to shift southwest by t+12 hours. Mvmt and height based on satellite observation and nwp. Bertalan.

Original Message :

Received FVXX25 at 12:55 UTC, 08/06/25 from KNES
VA ADVISORY
DTG: 20250608/1252Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/470
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCSL VA EMS OBSD
OBS VA DTG: 08/1220Z
OBS VA CLD: SFC/FL145 N1450 W09155 - N1447 W09133 - N1445 W09132 - N1443 W09155 - N1450 W09155 MOV W 10KT
FCST VA CLD +6HR: 08/1830Z SFC/FL145 N1447 W09133 - N1445 W09132 - N1435 W09205 - N1446 W09207 - N1447 W09133
FCST VA CLD +12HR: 09/0030Z SFC/FL145 N1447 W09132 - N1445 W09132 - N1428 W09203 - N1438 W09207 - N1447 W09132
FCST VA CLD +18HR: 09/0630Z SFC/FL145 N1447 W09132 - N1445 W09132 - N1425 W09159 - N1435 W09205 - N1447 W09132
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 20 NM W
FM SUMMIT. W MVMT EXP TO SHIFT WSW BY T+6 HRS,
AND EXP TO SHIFT SW BY T+12 HRS. MVMT AND HGT
BASED ON STLT OBS AND NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250608/1845Z
Volcanic Ash Advisory issued on 2025-06-08 at 06:59 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission possible.
  • Continue volcanic ash emission possible move w from summit. Volcanic ash not observation due to weather possible volcanic ash forecast to continue w move through t+12hrs. Volcano activity moderate. Fisher.

Original Message :

Received FVXX25 at 07:01 UTC, 08/06/25 from KNES
VA ADVISORY
DTG: 20250608/0659Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/469
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS PSBL
OBS VA DTG: 08/0630Z
OBS VA CLD: SFC/FL145 N1450 W09202 - N1446 W09133 - N1444 W09201 - N1450 W09202 MOV W 10KT
FCST VA CLD +6HR: 08/1230Z SFC/FL145 N1450 W09201 - N1446 W09133 - N1443 W09201 - N1450 W09201
FCST VA CLD +12HR: 08/1830Z SFC/FL145 N1450 W09201 - N1446 W09132 - N1443 W09201 - N1450 W09201
FCST VA CLD +18HR: 09/0030Z NO VA EXP
RMK: CONT VA EMS PSBL MOV W FM SUMMIT. VA NOT OBS
DUE TO WX CLDS. PSBL VA FCST TO CONT W MOV THRU
T+12HRS. VO ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250608/1300Z
Volcanic Ash Advisory issued on 2025-06-08 at 01:08 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not detected in satellite img due to heavy weather cloud cover. Volcanic ash emission may continue. Model guidance suggests southwest mvmt to shift wsw by t+6. Gatling.

Original Message :

Received FVXX25 at 01:10 UTC, 08/06/25 from KNES
VA ADVISORY
DTG: 20250608/0108Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/468
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 08/0040Z
EST VA CLD: SFC/FL145 N1446 W09133 - N1444 W09132 - N1433 W09141 - N1442 W09148 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 08/0630Z SFC/FL145 N1447 W09156 - N1446 W09132 - N1444 W09132 - N1435 W09153 - N1447 W09156
FCST VA CLD +12HR: 08/1230Z NO VA EXP
FCST VA CLD +18HR: 08/1830Z NO VA EXP
RMK: VA NOT DETECTED IN STLT IMG DUE TO HEAVY WX
CLD CVR. VA EMS MAY CONT. MDL GUIDANCE SUGGESTS
SW MVMT TO SHIFT WSW BY T+6. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250608/0715Z
Volcanic Ash Advisory issued on 2025-06-07 at 19:09 UTC.

    Key information extracted from original VAA message :


  • Small volcanic ash emission.
  • Volcanic ash emission observation in satellite img move southwest ext at least 5nm from summit. Wsw mvmt exp by t+6. And mvmt based on satellite and model. Gatling.

Original Message :

Received FVXX25 at 19:11 UTC, 07/06/25 from KNES
VA ADVISORY
DTG: 20250607/1909Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/467
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: SML VA EMS
OBS VA DTG: 07/1820Z
OBS VA CLD: SFC/FL145 N1446 W09133 - N1445 W09132 - N1436 W09134 - N1441 W09141 - N1446 W09133 MOV SW 5KT
FCST VA CLD +6HR: 08/0030Z SFC/FL145 N1446 W09133 - N1445 W09132 - N1434 W09147 - N1443 W09150 - N1446 W09133
FCST VA CLD +12HR: 08/0630Z NO VA EXP
FCST VA CLD +18HR: 08/1230Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG MOV SW EXT AT LEAST
5NM FM SUMMIT. WSW MVMT EXP BY T+6. FL AND MVMT
BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250608/0115Z
Volcanic Ash Advisory issued on 2025-06-07 at 17:23 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash from possible earlier emission dispersed. No new activity has been noted under mostly clear condition over the past several hours. No new reports. Lee.

Original Message :

Received FVXX25 at 17:25 UTC, 07/06/25 from KNES
VA ADVISORY
DTG: 20250607/1723Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/466
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ENDED.
OBS VA DTG: 07/1650Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 07/2300Z NO VA EXP
FCST VA CLD +12HR: 08/0500Z NO VA EXP
FCST VA CLD +18HR: 08/1100Z NO VA EXP
RMK: VA FM POSSIBLE EARLIER EMS DISPERSED. NO NEW
ACT HAS BEEN NOTED UNDER MOSTLY CLEAR COND OVER
THE PAST SEVERAL HRS. NO NEW REPORTS. ...LEE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-06-07 at 11:48 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense cloud cover near the summit has precluded seeing any volcanic ash. However, ongoing activity likely based on past volume hist. Volcanic ash presumed move to wnw of the summit. Webcam inop. Lee.

Original Message :

Received FVXX25 at 11:51 UTC, 07/06/25 from KNES
VA ADVISORY
DTG: 20250607/1148Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/465
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
EST VA DTG: 07/1020Z
EST VA CLD: SFC/FL140 N1456 W09152 - N1447 W09132 - N1444 W09134 - N1447 W09155 - N1456 W09152 MOV W 10KT
FCST VA CLD +6HR: 07/1630Z SFC/FL140 N1448 W09133 - N1444 W09132 - N1434 W09147 - N1443 W09152 - N1448 W09133
FCST VA CLD +12HR: 07/2230Z NO VA EXP
FCST VA CLD +18HR: 08/0430Z NO VA EXP
RMK: DENSE CLD COVER NEAR THE SUMMIT HAS
PRECLUDED SEEING ANY VA. HOWEVER, ONGOING ACT
LIKELY BASED ON PAST VOL HIST. VA PRESUMED MOV TO
WNW OF THE SUMMIT. WEBCAM INOP. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250607/1745Z
Volcanic Ash Advisory issued on 2025-06-07 at 05:58 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission observation.
  • New volcanic ash emission observation move w from summit in satellite imagery. Volcanic ash forecast to continue w move through t+12hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX25 at 06:00 UTC, 07/06/25 from KNES
VA ADVISORY
DTG: 20250607/0558Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/464
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: NEW VA EMS OBS
OBS VA DTG: 07/0530Z
OBS VA CLD: SFC/FL140 N1450 W09156 - N1446 W09132 - N1443 W09157 - N1450 W09156 MOV W 5KT
FCST VA CLD +6HR: 07/1130Z SFC/FL140 N1450 W09158 - N1446 W09132 - N1441 W09158 - N1450 W09158
FCST VA CLD +12HR: 07/1730Z SFC/FL140 N1452 W09157 - N1446 W09132 - N1443 W09158 - N1452 W09157
FCST VA CLD +18HR: 07/2330Z NO VA EXP
RMK: NEW VA EMS OBS MOV W FM SUMMIT IN STLT
IMAGERY. VA FCST TO CONT W MOV THRU T+12HRS
BEFORE DISP. VO ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250607/1200Z
Volcanic Ash Advisory issued on 2025-06-01 at 20:09 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash emission obsd.
  • Volcanic ash emission not vsbl in satellite img. No rcnt repeats of volcanic ash emission received. Bertalan.

Original Message :

Received FVXX20 at 20:11 UTC, 01/06/25 from KNES
VA ADVISORY
DTG: 20250601/2009Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/463
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA EMS OBSD
EST VA DTG: 01/1950Z
EST VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 02/0200Z NO VA EXP
FCST VA CLD +12HR: 02/0800Z NO VA EXP
FCST VA CLD +18HR: 02/1400Z NO VA EXP
RMK: VA EMS NOT VSBL IN STLT IMG. NO RCNT RPTS OF
VA EMS RCVD. ...BERTALAN
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-06-01 at 14:13 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission possible.
  • Continue volcanic ash emission possible. Volcanic ash not observation due to weather possible volcanic ash forecast to continue w move through t+6hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 14:16 UTC, 01/06/25 from KNES
VA ADVISORY
DTG: 20250601/1413Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/462
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS PSBL
OBS VA DTG: 01/1401Z
OBS VA CLD: SFC/FL140 N1449 W09158 - N1446 W09132 - N1443 W09158 - N1449 W09158 MOV W 10KT
FCST VA CLD +6HR: 01/2000Z SFC/FL140 N1449 W09158 - N1446 W09133 - N1443 W09158 - N1449 W09158
FCST VA CLD +12HR: 02/0200Z NO VA EXP
FCST VA CLD +18HR: 02/0800Z NO VA EXP
RMK: CONT VA EMS PSBL. VA NOT OBS DUE TO WX CLDS.
PSBL VA FCST TO CONT W MOV THRU T+6HRS BEFORE
DISP. VO ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250601/2015Z
Volcanic Ash Advisory issued on 2025-06-01 at 08:24 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Satellite imagery depicts hotspot at 07:70 UTC but clear volcanic ash signature not obsd. Scattered to broken weather cloud cover partly to mostly obscuring summit. Nwp models differ on xpctd curnt volcanic ash cloud mvmt but agree volcanic ash to move w by. Hosley.

Original Message :

Received FVXX20 at 08:26 UTC, 01/06/25 from KNES
VA ADVISORY
DTG: 20250601/0824Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/461
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS.
OBS VA DTG: 01/0740Z
OBS VA CLD: SFC/FL140 N1450 W09145 - N1446 W09132 - N1445 W09132 - N1445 W09145 - N1450 W09145 MOV W 10KT
FCST VA CLD +6HR: 01/1330Z SFC/FL140 N1448 W09150 - N1446 W09132 - N1445 W09132 - N1441 W09149 - N1448 W09150
FCST VA CLD +12HR: 01/1930Z NO VA EXP
FCST VA CLD +18HR: 02/0130Z NO VA EXP
RMK: STLT IMAGERY DEPICTS HOTSPOT AT 0700Z BUT
CLR VA SIG NOT OBSD. SCTD TO BKN WX CLD CVR PTLY
TO MSTLY OBSCG SUMMIT. NWP MDLS DIFFER ON XPCTD
CURNT VA CLD MVMT BUT AGREE VA TO MOV W BY
T+6HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250601/1430Z
Volcanic Ash Advisory issued on 2025-06-01 at 02:24 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • Volcanic ash puff detected on satellite moving southwest of summit. Model winds at forecast to veer next 6 hour becoming more from the e. Konon.

Original Message :

Received FVXX20 at 02:25 UTC, 01/06/25 from KNES
VA ADVISORY
DTG: 20250601/0224Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/460
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS
OBS VA DTG: 01/0200Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1434 W09151 - N1439 W09153 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 01/0800Z SFC/FL140 N1447 W09156 - N1446 W09133 - N1445 W09132 - N1441 W09156 - N1447 W09156
FCST VA CLD +12HR: 01/1400Z NO VA EXP
FCST VA CLD +18HR: 01/2000Z NO VA EXP
RMK: VA PUFF DETECTED ON STLT MOVG SW OF SUMMIT.
MDL WINDS AT FL FCST TO VEER NXT 6 HR BECMG MORE
FM THE E. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20250601/0830Z
Volcanic Ash Advisory issued on 2025-05-31 at 21:52 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash not detected on various satellite products. Weather clouds cover part of summit area. New volcanic ash emission likely at any. Konon.

Original Message :

Received FVXX20 at 21:54 UTC, 31/05/25 from KNES
VA ADVISORY
DTG: 20250531/2152Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/459
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 31/2130Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 01/0330Z NO VA EXP
FCST VA CLD +12HR: 01/0930Z NO VA EXP
FCST VA CLD +18HR: 01/1530Z NO VA EXP
RMK: VA NOT DETECTED ON VARIOUS STLT PRODUCTS. WX
CLDS CVR PART OF SUMMIT AREA. NEW VA EMS LIKELY
AT ANY TIME. ...KONON
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-31 at 16:03 UTC.

    Key information extracted from original VAA message :


  • Frqt volcanic ash emission.
  • Volcanic ash emission observation in satellite imagery moving apprx 20nm ssw from summit. Volcanic ash forecast through t+18 hours based on nwp models suggesting veering. Coverdale.

Original Message :

Received FVXX20 at 16:05 UTC, 31/05/25 from KNES
VA ADVISORY
DTG: 20250531/1603Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/458
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: FRQT VA EMS
OBS VA DTG: 31/1530Z
OBS VA CLD: SFC/FL130 N1446 W09133 - N1445 W09132 - N1426 W09137 - N1428 W09143 - N1446 W09133 MOV S 5KT
FCST VA CLD +6HR: 31/2130Z SFC/FL130 N1446 W09132 - N1445 W09132 - N1418 W09141 - N1426 W09153 - N1446 W09132
FCST VA CLD +12HR: 01/0330Z SFC/FL130 N1446 W09132 - N1445 W09132 - N1430 W09148 - N1440 W09155 - N1446 W09132
FCST VA CLD +18HR: 01/0930Z SFC/FL130 N1457 W09149 - N1446 W09132 - N1445 W09133 - N1446 W09153 - N1457 W09149
RMK: VA EMS OBS IN STLT IMAGERY MOVG APPRX 20NM
SSW FM SUMMIT. VA FCST THRU T+18 HRS BASED ON NWP
MDLS SUGGESTING VEERING FL WINDS. ...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20250531/2200Z
Volcanic Ash Advisory issued on 2025-05-31 at 10:11 UTC.

    Key information extracted from original VAA message :


  • New ash em.
  • New volcanic ash cloud was centered 5 nm w of the summit. Future em forecast by nwp models to move toward the south by t+6. Turk.

Original Message :

Received FVXX20 at 10:13 UTC, 31/05/25 from KNES
VA ADVISORY
DTG: 20250531/1011Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/457
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NEW ASH EM
OBS VA DTG: 31/0950Z
OBS VA CLD: SFC/FL130 N1448 W09137 - N1444 W09137 - N1443 W09139 - N1447 W09139 - N1448 W09137 MOV W 10KT
FCST VA CLD +6HR: 31/1600Z SFC/FL130 N1447 W09133 - N1444 W09131 - N1420 W09138 - N1422 W09144 - N1447 W09133
FCST VA CLD +12HR: 31/2200Z NO VA EXP
FCST VA CLD +18HR: 01/0400Z NO VA EXP
RMK: NEW VA CLD WAS CENTERED 5 NM W OF THE
SUMMIT. FUTURE EM FCST BY NWP MODELS TO MOV TWD
THE S BY T+6. ...TURK
NXT ADVISORY: WILL BE ISSUED BY 20250531/1615Z
Volcanic Ash Advisory issued on 2025-05-31 at 02:57 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not detected from satellite.
  • Volcanic ash has not been seen from satellite for over 6. Turk.

Original Message :

Received FVXX20 at 02:58 UTC, 31/05/25 from KNES
VA ADVISORY
DTG: 20250531/0257Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/456
INFO SOURCE: GOES-18.
ERUPTION DETAILS: VA NOT DETECTED FM STLT
OBS VA DTG: 31/0230Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 31/0830Z NO VA EXP
FCST VA CLD +12HR: 31/1430Z NO VA EXP
FCST VA CLD +18HR: 31/2030Z NO VA EXP
RMK: VA HAS NOT BEEN SEEN FM STLT FOR OVR 6
HOURS. ...TURK
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-30 at 21:08 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not detected in satellite img. Occasional volcanic ash emission may continue. Model guidance suggests southwest mvmt from summit through t+12. Gatling.

Original Message :

Received FVXX20 at 21:11 UTC, 30/05/25 from KNES
VA ADVISORY
DTG: 20250530/2108Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/455
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 30/2020Z
EST VA CLD: SFC/FL145 N1446 W09133 - N1445 W09132 - N1434 W09140 - N1439 W09146 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 31/0230Z SFC/FL145 N1446 W09133 - N1445 W09132 - N1433 W09146 - N1439 W09150 - N1446 W09133
FCST VA CLD +12HR: 31/0830Z SFC/FL145 N1446 W09132 - N1445 W09132 - N1431 W09144 - N1436 W09149 - N1446 W09132
FCST VA CLD +18HR: 31/1430Z NO VA EXP
RMK: VA EMS NOT DETECTED IN STLT IMG. OCNL VA EMS
MAY CONT. MDL GUIDANCE SUGGESTS SW MVMT FM SUMMIT
THRU T+12. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250531/0315Z
Volcanic Ash Advisory issued on 2025-05-30 at 15:17 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Volcanic ash emission noted in visibility satellite imagery. Volcanic ash drifting to the southwest of the summit. Webcam inop. Monaghan.

Original Message :

Received FVXX20 at 15:21 UTC, 30/05/25 from KNES
VA ADVISORY
DTG: 20250530/1517Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/454
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 30/1430Z
OBS VA CLD: SFC/FL145 N1446 W09147 - N1445 W09133 - N1444 W09132 - N1437 W09144 - N1446 W09147 MOV SW 5KT
FCST VA CLD +6HR: 30/2030Z SFC/FL145 N1446 W09147 - N1445 W09132 - N1437 W09144 - N1446 W09147
FCST VA CLD +12HR: 31/0230Z SFC/FL145 N1447 W09148 - N1444 W09132 - N1438 W09147 - N1447 W09148
FCST VA CLD +18HR: 31/0830Z SFC/FL145 N1444 W09132 - N1432 W09140 - N1442 W09147 - N1444 W09132
RMK: VA EMS NOTED IN VIS STLT IMAGERY. VA
DRIFTING TO THE SW OF THE SUMMIT. WEBCAM INOP.
...MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20250530/2115Z
Volcanic Ash Advisory issued on 2025-05-30 at 09:34 UTC.

    Key information extracted from original VAA message :


  • Intermittent volcanic ash em.
  • Intermittent volcanic ash em seen move w from summit. Model guidance shows a more southwest move by t+6 hours. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX20 at 09:36 UTC, 30/05/25 from KNES
VA ADVISORY
DTG: 20250530/0934Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/453
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: INTMT VA EM
OBS VA DTG: 30/0910Z
OBS VA CLD: SFC/FL170 N1450 W09141 - N1446 W09133 - N1445 W09133 - N1444 W09142 - N1450 W09141 MOV W 10KT
FCST VA CLD +6HR: 30/1500Z SFC/FL170 N1446 W09133 - N1444 W09133 - N1437 W09150 - N1443 W09152 - N1446 W09133
FCST VA CLD +12HR: 30/2100Z NO VA EXP
FCST VA CLD +18HR: 31/0300Z NO VA EXP
RMK: INTMT VA EM SEEN MOV W FM SUMMIT. MODEL
GUIDANCE SHOWS A MORE SW MOV BY T+6 HRS. MOV AND
HGT BASED ON SAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250530/1530Z
Volcanic Ash Advisory issued on 2025-05-30 at 05:35 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not seen in satellite.
  • Volcanic ash not seen in satellite over the last observation before a break in coverage at a manual station 12 further volcanic ash emission are poss based on recent activity. Kibler.

Original Message :

Received FVXX20 at 05:37 UTC, 30/05/25 from KNES
VA ADVISORY
DTG: 20250530/0535Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/452
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA NOT SEEN IN SAT
OBS VA DTG: 30/0510Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 30/1100Z NO VA EXP
FCST VA CLD +12HR: 30/1700Z NO VA EXP
FCST VA CLD +18HR: 30/2300Z NO VA EXP
RMK: VA NOT SEEN IN SAT OVER THE LAST 12 HOURS.
FURTHER VA EMS ARE POSS BASED ON RECENT ACT.
...KIBLER
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-30 at 00:00 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • Volcanic ash ems/clds not obsd in satellite due to meteorological volcanic ash /dir based on prev vaa and model guidance. Nwp model forecast veering through. Zeng.

Original Message :

Received FVXX20 at 00:02 UTC, 30/05/25 from KNES
VA ADVISORY
DTG: 20250530/0000Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/451
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 29/2340Z
OBS VA CLD: SFC/FL130 N1446 W09132 - N1444 W09132 - N1441 W09144 - N1444 W09145 - N1446 W09132 MOV W 10KT
FCST VA CLD +6HR: 30/0530Z SFC/FL130 N1451 W09138 - N1445 W09132 - N1444 W09132 - N1447 W09140 - N1451 W09138
FCST VA CLD +12HR: 30/1130Z NO VA EXP
FCST VA CLD +18HR: 30/1730Z NO VA EXP
RMK: VA EMS/CLDS NOT OBSD IN SAT DUE TO MET CLDS.
VA FL/DIR BASED ON PREV VAA AND MDL GUIDANCE. NWP
MDL FCST VEERING THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250530/0600Z
Volcanic Ash Advisory issued on 2025-05-29 at 18:15 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission possibly continuing.
  • Volcanic ash not obsd due to weather cloud cover downwind of summit. Webcam unavailable. Nwp models forecast volcanic ash to move wsw by t+6 then nw by t+12. Hosley.

Original Message :

Received FVXX20 at 18:19 UTC, 29/05/25 from KNES
VA ADVISORY
DTG: 20250529/1815Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/450
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS PSBLY CONTG.
OBS VA DTG: 29/1740Z
OBS VA CLD: SFC/FL130 N1458 W09152 - N1446 W09132 - N1444 W09132 - N1448 W09156 - N1458 W09152 MOV W 10KT
FCST VA CLD +6HR: 29/2330Z SFC/FL130 N1449 W09201 - N1446 W09132 - N1444 W09132 - N1435 W09159 - N1449 W09201
FCST VA CLD +12HR: 30/0530Z SFC/FL130 N1504 W09150 - N1446 W09132 - N1444 W09133 - N1451 W09158 - N1504 W09150
FCST VA CLD +18HR: 30/1130Z NO VA EXP
RMK: VA NOT OBSD DUE TO WX CLD CVR DOWNWIND OF
SUMMIT. WEBCAM UNAVBL. NWP MDLS FCST VA TO MOV
WSW BY T+6 THEN NW BY T+12. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250530/0015Z
Volcanic Ash Advisory issued on 2025-05-29 at 12:36 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Volcanic ash cloud obsd moving wnw from summit to over 10 nm. Estd from nwp nwp models forecast wnw movement through t+6 then wsw movement by t+12 with to wnw movement by t+18. Hosley.

Original Message :

Received FVXX20 at 12:41 UTC, 29/05/25 from KNES
VA ADVISORY
DTG: 20250529/1236Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/449
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 29/1150Z
OBS VA CLD: SFC/FL130 N1453 W09146 - N1446 W09132 - N1444 W09134 - N1449 W09148 - N1453 W09146 MOV NW 10KT
FCST VA CLD +6HR: 29/1800Z SFC/FL130 N1502 W09156 - N1446 W09132 - N1444 W09132 - N1450 W09201 - N1502 W09156
FCST VA CLD +12HR: 30/0000Z SFC/FL130 N1446 W09132 - N1444 W09132 - N1431 W09200 - N1444 W09204 - N1446 W09132
FCST VA CLD +18HR: 30/0600Z SFC/FL130 N1502 W09157 - N1446 W09132 - N1444 W09132 - N1449 W09202 - N1502 W09157
RMK: VA CLD OBSD MOVG WNW FM SUMMIT TO OVR 10 NM.
FL ESTD FM NWP MDLS. NWP MDLS FCST WNW MOVMT THRU
T+6 THEN WSW MOVMT BY T+12 WITH RETURN TO WNW
MOVMT BY T+18. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250529/1830Z
Volcanic Ash Advisory issued on 2025-05-29 at 09:07 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission seen in satellite.
  • Volcanic ash seen in satellite move w from summit. Model guidance shows a continue w/wsw move through t+18 hours. Move and height based on satellite and nwp guidance. Kibler.

Original Message :

Received FVXX20 at 09:09 UTC, 29/05/25 from KNES
VA ADVISORY
DTG: 20250529/0907Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/448
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS SEEN IN SAT
OBS VA DTG: 29/0840Z
OBS VA CLD: SFC/FL140 N1446 W09140 - N1446 W09133 - N1445 W09132 - N1444 W09140 - N1446 W09140 MOV W 10KT
FCST VA CLD +6HR: 29/1430Z SFC/FL140 N1447 W09150 - N1446 W09132 - N1445 W09132 - N1444 W09152 - N1447 W09150
FCST VA CLD +12HR: 29/2030Z SFC/FL140 N1446 W09133 - N1445 W09133 - N1440 W09149 - N1444 W09151 - N1446 W09133
FCST VA CLD +18HR: 30/0230Z SFC/FL140 N1446 W09151 - N1446 W09133 - N1445 W09132 - N1443 W09151 - N1446 W09151
RMK: VA SEEN IN SAT MOV W FM SUMMIT. MODEL
GUIDANCE SHOWS A CONT W/WSW MOV THRU T+18 HRS.
MOV AND HGT BASED ON SAT AND NWP GUIDANCE.
...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250529/1500Z
Volcanic Ash Advisory issued on 2025-05-29 at 03:09 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission continuing.
  • Poss volcanic ash emission continuing but unable to be seen due to meteorological model guidance shows a continue w-ly move through t+12 hours. Move and height based on nwp guidance. Kibler.

Original Message :

Received FVXX20 at 03:11 UTC, 29/05/25 from KNES
VA ADVISORY
DTG: 20250529/0309Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/447
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS CONTG
EST VA DTG: 29/0240Z
EST VA CLD: SFC/FL140 N1446 W09133 - N1444 W09133 - N1440 W09201 - N1446 W09201 - N1446 W09133 MOV W 15KT
FCST VA CLD +6HR: 29/0830Z SFC/FL140 N1453 W09201 - N1446 W09132 - N1445 W09133 - N1446 W09201 - N1453 W09201
FCST VA CLD +12HR: 29/1430Z SFC/FL140 N1453 W09201 - N1446 W09133 - N1444 W09133 - N1446 W09201 - N1453 W09201
FCST VA CLD +18HR: 29/2030Z NO VA EXP
RMK: POSS VA EMS CONTG BUT UNABLE TO BE SEEN DUE
TO MET CLDS. MODEL GUIDANCE SHOWS A CONT W-LY MOV
THRU T+12 HRS. MOV AND HGT BASED ON NWP GUIDANCE.
...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250529/0915Z
Volcanic Ash Advisory issued on 2025-05-28 at 21:23 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Intermittent small puffs noted a few hours ago before clouds moved over the region. Webcam inop. Volcanic ash move to the w of the summit. Lee.

Original Message :

Received FVXX20 at 21:25 UTC, 28/05/25 from KNES
VA ADVISORY
DTG: 20250528/2123Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/446
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 28/2040Z
OBS VA CLD: SFC/FL140 N1448 W09207 - N1446 W09133 - N1444 W09132 - N1438 W09205 - N1448 W09207 MOV W 10KT
FCST VA CLD +6HR: 29/0230Z SFC/FL140 N1448 W09200 - N1446 W09133 - N1444 W09133 - N1440 W09159 - N1448 W09200
FCST VA CLD +12HR: 29/0830Z SFC/FL140 N1448 W09159 - N1446 W09133 - N1444 W09133 - N1440 W09159 - N1448 W09159
FCST VA CLD +18HR: 29/1430Z SFC/FL140 N1449 W09158 - N1446 W09132 - N1444 W09133 - N1441 W09158 - N1449 W09158
RMK: INTERMITTENT SMALL PUFFS NOTED A FEW HRS AGO
BEFORE CLDS MOVED OVER THE REGION. WEBCAM INOP.
VA MOV TO THE W OF THE SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250529/0330Z
Volcanic Ash Advisory issued on 2025-05-28 at 15:29 UTC.

    Key information extracted from original VAA message :


  • Intermittent volcanic ash emission.
  • Volcanic ash emission observation in satellite img move w ext approximate 40nm from summit. A general w mvmt exp to continue through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX20 at 15:30 UTC, 28/05/25 from KNES
VA ADVISORY
DTG: 20250528/1529Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/445
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: INTMT VA EMS
OBS VA DTG: 28/1450Z
OBS VA CLD: SFC/FL140 N1447 W09214 - N1446 W09132 - N1445 W09133 - N1440 W09213 - N1447 W09214 MOV W 10KT
FCST VA CLD +6HR: 28/2100Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1431 W09210 - N1440 W09213 - N1446 W09132
FCST VA CLD +12HR: 29/0300Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1431 W09210 - N1440 W09213 - N1446 W09132
FCST VA CLD +18HR: 29/0900Z SFC/FL140 N1449 W09213 - N1446 W09132 - N1444 W09132 - N1439 W09213 - N1449 W09213
RMK: VA EMS OBS IN STLT IMG MOV W EXT APRX 40NM
FM SUMMIT. A GEN W MVMT EXP TO CONT THRU T+18.
FCST BASED ON STLT AND MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250528/2130Z
Volcanic Ash Advisory issued on 2025-05-28 at 09:29 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission observation.
  • Continue volcanic ash emission observation move w to wnw in satellite imagery. Volcanic ash forecast to continue w to wnw move through t+18hrs before disp. Volcano activity moderate. Fisher.

Original Message :

Received FVXX20 at 09:33 UTC, 28/05/25 from KNES
VA ADVISORY
DTG: 20250528/0929Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/444
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS OBS
OBS VA DTG: 28/0900Z
OBS VA CLD: SFC/FL150 N1508 W09208 - N1446 W09132 - N1455 W09212 - N1508 W09208 MOV W 10KT
FCST VA CLD +6HR: 28/1500Z SFC/FL150 N1510 W09208 - N1446 W09132 - N1454 W09213 - N1510 W09208
FCST VA CLD +12HR: 28/2100Z SFC/FL150 N1510 W09209 - N1446 W09132 - N1455 W09213 - N1510 W09209
FCST VA CLD +18HR: 29/0300Z SFC/FL150 N1510 W09208 - N1446 W09132 - N1454 W09213 - N1510 W09208
RMK: CONT VA EMS OBS MOV W TO WNW IN STLT IMAGERY. VA
FCST TO CONT W TO WNW MOV THRU T+18HRS BEFORE DISP. VO
ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250528/1530Z
Volcanic Ash Advisory issued on 2025-05-28 at 03:49 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission possible.
  • Continue volcanic ash emission possible move w from summit. Volcanic ash not observation due to weather possible volcanic ash forecast to continue w move through t+6hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 03:53 UTC, 28/05/25 from KNES
VA ADVISORY
DTG: 20250528/0349Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/443
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS PSBL
OBS VA DTG: 28/0320Z
OBS VA CLD: SFC/FL140 N1453 W09206 - N1446 W09132 - N1442 W09207 - N1453 W09206 MOV W 10KT
FCST VA CLD +6HR: 28/0930Z SFC/FL140 N1453 W09207 - N1446 W09132 - N1443 W09205 - N1453 W09207
FCST VA CLD +12HR: 28/1530Z NO VA EXP
FCST VA CLD +18HR: 28/2130Z NO VA EXP
RMK: CONT VA EMS PSBL MOV W FM SUMMIT. VA NOT OBS
DUE TO WX CLDS. PSBL VA FCST TO CONT W MOV THRU T+6HRS BEFORE DISP. VO ACT LOW.
...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250528/0945Z
Volcanic Ash Advisory issued on 2025-05-27 at 21:50 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not vsbl in satellite img due to meteorological clouds but volcanic ash emission may be obscured. A more wsw mvmt exp by t+12 hours. Mvmt and height based on nwp. Bertalan.

Original Message :

Received FVXX20 at 21:54 UTC, 27/05/25 from KNES
VA ADVISORY
DTG: 20250527/2150Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/442
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 27/2120Z
EST VA CLD: SFC/FL140 N1447 W09145 - N1446 W09133 - N1445 W09132 - N1440 W09144 - N1447 W09145 MOV W 10KT
FCST VA CLD +6HR: 28/0330Z SFC/FL140 N1450 W09149 - N1446 W09133 - N1444 W09132 - N1442 W09149 - N1450 W09149
FCST VA CLD +12HR: 28/0930Z SFC/FL140 N1446 W09149 - N1446 W09133 - N1444 W09132 - N1437 W09147 - N1446 W09149
FCST VA CLD +18HR: 28/1530Z NO VA EXP
RMK: VA EMS NOT VSBL IN STLT IMG DUE TO MET CLDS
BUT VA EMS MAY BE OBSCD. A MORE WSW MVMT EXP BY
T+12 HRS. MVMT AND HGT BASED ON NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250528/0400Z
Volcanic Ash Advisory issued on 2025-05-27 at 15:54 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • A single puff noted in infrared satellite imagery over the last observation before a break in coverage at a manual station few minutes. Webcam inop. Va move to the wnw of the summit. Lee.

Original Message :

Received FVXX20 at 15:57 UTC, 27/05/25 from KNES
VA ADVISORY
DTG: 20250527/1554Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/441
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS.
OBS VA DTG: 27/1520Z
OBS VA CLD: SFC/FL140 N1452 W09150 - N1443 W09144 - N1440 W09149 - N1451 W09153 - N1452 W09150 MOV W 10KT
FCST VA CLD +6HR: 27/2130Z SFC/FL140 N1454 W09146 - N1446 W09133 - N1444 W09133 - N1449 W09147 - N1454 W09146
FCST VA CLD +12HR: 28/0330Z SFC/FL140 N1449 W09150 - N1446 W09132 - N1445 W09132 - N1441 W09151 - N1449 W09150
FCST VA CLD +18HR: 28/0930Z SFC/FL140 N1451 W09149 - N1446 W09133 - N1444 W09132 - N1444 W09150 - N1451 W09149
RMK: A SINGLE PUFF NOTED IN IR STLT IMAGERY OVER
THE LAST FEW MINUTES. WEBCAM INOP.VA MOV TO THE
WNW OF THE SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250527/2200Z
Volcanic Ash Advisory issued on 2025-05-26 at 18:08 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash emission.
  • Volcanic ash emission not detected in satellite img. No reports of volcanic ash emission received. Gatling.

Original Message :

Received FVXX20 at 18:10 UTC, 26/05/25 from KNES
VA ADVISORY
DTG: 20250526/1808Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/440
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA EMS
OBS VA DTG: 26/1740Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 26/2330Z NO VA EXP
FCST VA CLD +12HR: 27/0530Z NO VA EXP
FCST VA CLD +18HR: 27/1130Z NO VA EXP
RMK: VA EMS NOT DETECTED IN STLT IMG. NO RPRTS OF
VA EMS RCVD. ...GATLING
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-26 at 12:08 UTC.

    Key information extracted from original VAA message :


  • Poss volcanic ash emission.
  • Volcanic ash emission and clouds not obsd in satellite due to meteorological volcanic ash /dir based on prev advisory and model guidance. Nwp model forecast through t+0hr. Zeng.

Original Message :

Received FVXX20 at 12:10 UTC, 26/05/25 from KNES
VA ADVISORY
DTG: 20250526/1208Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/439
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: POSS VA EMS
OBS VA DTG: 26/1140Z
OBS VA CLD: SFC/FL140 N1454 W09150 - N1446 W09132 - N1444 W09132 - N1447 W09152 - N1454 W09150 MOV W 10KT
FCST VA CLD +6HR: 26/1730Z NO VA EXP
FCST VA CLD +12HR: 26/2330Z NO VA EXP
FCST VA CLD +18HR: 27/0530Z NO VA EXP
RMK: VA EMS AND CLDS NOT OBSD IN SAT DUE TO MET
CLDS. VA FL/DIR BASED ON PREV ADVY AND MDL
GUIDANCE. NWP MDL FCST THRU T+0HR. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250526/1815Z
Volcanic Ash Advisory issued on 2025-05-26 at 06:21 UTC.

    Key information extracted from original VAA message :


  • Continue volcanic ash emission possible.
  • Continue volcanic ash emission possible. Volcanic ash not observation in satellite imagery due to weather possible volcanic ash forecast to continue w move through t+6hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 06:24 UTC, 26/05/25 from KNES
VA ADVISORY
DTG: 20250526/0621Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/438
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT VA EMS PSBL
OBS VA DTG: 26/0540Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1434 W09158 - N1443 W09201 - N1446 W09132 MOV W 10KT
FCST VA CLD +6HR: 26/1130Z SFC/FL140 N1446 W09132 - N1434 W09159 - N1444 W09202 - N1446 W09132
FCST VA CLD +12HR: 26/1730Z NO VA EXP
FCST VA CLD +18HR: 26/2330Z NO VA EXP
RMK: CONT VA EMS PSBL. VA NOT OBS IN STLT IMAGERY
DUE TO WX CLDS. PSBL VA FCST TO CONT W MOV THRU
T+6HRS BEFORE DISP. VO ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250526/1215Z
Volcanic Ash Advisory issued on 2025-05-26 at 00:28 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not visible in satellite img. Satellite img obscure by heavy meteorological cloud cover. Volcanic ash emission may continue. A general w mvmt exp through t+12. Forecast based on model. Gatling.

Original Message :

Received FVXX20 at 00:29 UTC, 26/05/25 from KNES
VA ADVISORY
DTG: 20250526/0028Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/437
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 25/2350Z
EST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1439 W09142 - N1444 W09144 - N1446 W09132 MOV W 10KT
FCST VA CLD +6HR: 26/0600Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1439 W09148 - N1445 W09150 - N1446 W09132
FCST VA CLD +12HR: 26/1200Z SFC/FL140 N1447 W09150 - N1446 W09133 - N1445 W09132 - N1441 W09149 - N1447 W09150
FCST VA CLD +18HR: 26/1800Z NO VA EXP
RMK: VA NOT VISIBLE IN STLT IMG. STLT IMG OBSC BY
HEAVY MET CLD CVR. VA EMS MAY CONT. A GEN W MVMT
EXP THRU T+12. FCST BASED ON MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250526/0630Z
Volcanic Ash Advisory issued on 2025-05-25 at 18:27 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not crntly observation in satellite img. Intermittent volcanic ash emission may continue. Wnw mvmt exp to shift southwest by t+6. Forecast based on model. Gatling.

Original Message :

Received FVXX20 at 18:29 UTC, 25/05/25 from KNES
VA ADVISORY
DTG: 20250525/1827Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/436
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 25/1750Z
EST VA CLD: SFC/FL140 N1452 W09143 - N1446 W09132 - N1445 W09133 - N1445 W09144 - N1452 W09143 MOV W 10KT
FCST VA CLD +6HR: 26/0000Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1435 W09146 - N1442 W09149 - N1446 W09133
FCST VA CLD +12HR: 26/0600Z NO VA EXP
FCST VA CLD +18HR: 26/1200Z NO VA EXP
RMK: VA NOT CRNTLY OBS IN STLT IMG. INTMT VA EMS
MAY CONT. WNW MVMT EXP TO SHIFT SW BY T+6. FCST
BASED ON MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250526/0030Z
Volcanic Ash Advisory issued on 2025-05-25 at 12:34 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash em.
  • Volcanic ash seen in satellite img movng wnw at apx 15 nmi from summit tho img prtly obscured by meteorological general nw movnt exp through t+6 hours. Forecast bsd on nwp. Liner.

Original Message :

Received FVXX20 at 12:36 UTC, 25/05/25 from KNES
VA ADVISORY
DTG: 20250525/1234Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/435
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EM
OBS VA DTG: 25/1150Z
OBS VA CLD: SFC/FL140 N1455 W09145 - N1446 W09133 - N1444 W09133 - N1447 W09150 - N1455 W09145 MOV NW 10KT
FCST VA CLD +6HR: 25/1800Z SFC/FL140 N1453 W09151 - N1446 W09132 - N1445 W09133 - N1443 W09153 - N1453 W09151
FCST VA CLD +12HR: 26/0000Z NO VA EXP
FCST VA CLD +18HR: 26/0600Z NO VA EXP
RMK: VA SEEN IN STLT IMG MOVNG WNW AT APX 15 NMI
FM SUMMIT THO IMG PRTLY OBSCD BY MET CLDS. GEN NW
MOVNT EXP THRU T+6 HRS. FCST BSD ON NWP MDLS.
...LINER
NXT ADVISORY: WILL BE ISSUED BY 20250525/1830Z
Volcanic Ash Advisory issued on 2025-05-25 at 06:43 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • Distinct volcanic ash puff detected on satellite moving wnw of summit. No change forecast to model winds at next 6 hour. Konon.

Original Message :

Received FVXX20 at 06:45 UTC, 25/05/25 from KNES
VA ADVISORY
DTG: 20250525/0643Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/434
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS
OBS VA DTG: 25/0620Z
OBS VA CLD: SFC/FL140 N1452 W09148 - N1446 W09133 - N1445 W09133 - N1447 W09149 - N1452 W09148 MOV W 10KT
FCST VA CLD +6HR: 25/1230Z SFC/FL140 N1456 W09201 - N1446 W09132 - N1445 W09133 - N1450 W09203 - N1456 W09201
FCST VA CLD +12HR: 25/1830Z NO VA EXP
FCST VA CLD +18HR: 26/0030Z NO VA EXP
RMK: DISTINCT VA PUFF DETECTED ON STLT MOVG WNW
OF SUMMIT. NO CHG FCST TO MDL WINDS AT FL NXT 6
HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20250525/1245Z
Volcanic Ash Advisory issued on 2025-05-24 at 20:01 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash emission obsd.
  • Volcanic ash emission not vsbl in satellite img. No rcnt repeats of volcanic ash emission received. Bertalan.

Original Message :

Received FVXX20 at 20:03 UTC, 24/05/25 from KNES
VA ADVISORY
DTG: 20250524/2001Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/433
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA EMS OBSD
EST VA DTG: 24/1940Z
EST VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 25/0130Z NO VA EXP
FCST VA CLD +12HR: 25/0730Z NO VA EXP
FCST VA CLD +18HR: 25/1330Z NO VA EXP
RMK: VA EMS NOT VSBL IN STLT IMG. NO RCNT RPTS OF
VA EMS RCVD. ...BERTALAN
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-24 at 14:12 UTC.

    Key information extracted from original VAA message :


  • Possible ongoing volcanic ash emission.
  • Dense weather clouds in have obscured the summit. However, ongoing activity likely based on past recent volume hist. Webcam inop. Volcanic ash presumed move to w of the summit based on nwp. Lee.

Original Message :

Received FVXX20 at 14:15 UTC, 24/05/25 from KNES
VA ADVISORY
DTG: 20250524/1412Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/432
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: POSSIBLE ONGOING VA EMS.
EST VA DTG: 24/1340Z
EST VA CLD: SFC/FL140 N1451 W09150 - N1447 W09132 - N1444 W09133 - N1443 W09150 - N1451 W09150 MOV W 10KT
FCST VA CLD +6HR: 24/1930Z SFC/FL140 N1450 W09150 - N1447 W09132 - N1444 W09132 - N1443 W09150 - N1450 W09150
FCST VA CLD +12HR: 25/0130Z NO VA EXP
FCST VA CLD +18HR: 25/0730Z NO VA EXP
RMK: DENSE WX CLDS IN REGION HAVE OBSCURED THE
SUMMIT. HOWEVER, ONGOING ACT LIKELY BASED ON PAST
RECENT VOL HIST. WEBCAM INOP. VA PRESUMED MOV TO
W OF THE SUMMIT BASED ON NWP MDLS. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250524/2015Z
Volcanic Ash Advisory issued on 2025-05-24 at 08:36 UTC.

    Key information extracted from original VAA message :


  • New volcanic ash emission.
  • Volcanic ash detected on satellite moving w of summit. No change forecast to model winds at next 6 hour. Konon.

Original Message :

Received FVXX20 at 08:38 UTC, 24/05/25 from KNES
VA ADVISORY
DTG: 20250524/0836Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/431
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NEW VA EMS
OBS VA DTG: 24/0810Z
OBS VA CLD: SFC/FL140 N1447 W09137 - N1446 W09132 - N1445 W09133 - N1444 W09137 - N1447 W09137 MOV W 10KT
FCST VA CLD +6HR: 24/1400Z SFC/FL140 N1450 W09152 - N1446 W09132 - N1445 W09132 - N1444 W09152 - N1450 W09152
FCST VA CLD +12HR: 24/2000Z NO VA EXP
FCST VA CLD +18HR: 25/0200Z NO VA EXP
RMK: VA DETECTED ON STLT MOVG W OF SUMMIT. NO
CHG FCST TO MDL WINDS AT FL NXT 6 HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20250524/1430Z
Volcanic Ash Advisory issued on 2025-05-17 at 21:49 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash observation.
  • Volcanic ash em from earlier has dissipated. No rcnt volcanic ash emission observation in satellite imagery. No reports of volcanic ash received. Coverdale.

Original Message :

Received FVXX20 at 21:51 UTC, 17/05/25 from KNES
VA ADVISORY
DTG: 20250517/2149Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/430
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA OBS
OBS VA DTG: 17/2120Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 18/0330Z NO VA EXP
FCST VA CLD +12HR: 18/0930Z NO VA EXP
FCST VA CLD +18HR: 18/1530Z NO VA EXP
RMK: VA EM FM EARLIER HAS DISSIPATED. NO RCNT VA
EMS OBS IN STLT IMAGERY. NO RPRTS OF VA RCVD.
...COVERDALE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-17 at 16:02 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash em dtctd.
  • Volcanic ash seen on satellite img movng southwest at apx 30 nmi from summit. Exp southwest movnt through t+6 hours. And wind movnt bsd on nwp. Liner.

Original Message :

Received FVXX20 at 16:04 UTC, 17/05/25 from KNES
VA ADVISORY
DTG: 20250517/1602Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/429
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM DTCTD
OBS VA DTG: 17/1530Z
OBS VA CLD: SFC/FL140 N1445 W09133 - N1444 W09132 - N1426 W09155 - N1438 W09206 - N1445 W09133 MOV SW 10KT
FCST VA CLD +6HR: 17/2130Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1420 W09155 - N1434 W09208 - N1446 W09133
FCST VA CLD +12HR: 18/0330Z NO VA EXP
FCST VA CLD +18HR: 18/0930Z NO VA EXP
RMK: VA SEEN ON STLT IMG MOVNG SW AT APX 30 NMI FM
SUMMIT. EXP SW MOVNT THRU T+6 HRS. FL AND WND
MOVNT BSD ON NWP MDLS. ...LINER
NXT ADVISORY: WILL BE ISSUED BY 20250517/2200Z
Volcanic Ash Advisory issued on 2025-05-17 at 03:40 UTC.

    Key information extracted from original VAA message :


  • No volcanic ash emission.
  • Volcanic ash not detected in satellite img. No reports of volcanic ash emission received. Gatling.

Original Message :

Received FVXX20 at 03:41 UTC, 17/05/25 from KNES
VA ADVISORY
DTG: 20250517/0340Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/428
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: NO VA EMS
OBS VA DTG: 17/0310Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 17/0900Z NO VA EXP
FCST VA CLD +12HR: 17/1500Z NO VA EXP
FCST VA CLD +18HR: 17/2100Z NO VA EXP
RMK: VA NOT DETECTED IN STLT IMG. NO RPRTS OF VA
EMS RCVD. ...GATLING
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-16 at 21:40 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission possible.
  • No volcanic ash crntly observation due to weather clouds obscing the summit area. Volcanic ash emission possible to the wsw/sw of summit. Volcanic ash forecast through t+6 hours based on nwp. Coverdale.

Original Message :

Received FVXX20 at 21:42 UTC, 16/05/25 from KNES
VA ADVISORY
DTG: 20250516/2140Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/427
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS PSBL
EST VA DTG: 16/2110Z
EST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1437 W09141 - N1444 W09146 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 17/0300Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1429 W09144 - N1440 W09152 - N1446 W09132
FCST VA CLD +12HR: 17/0900Z NO VA EXP
FCST VA CLD +18HR: 17/1500Z NO VA EXP
RMK: NO VA CRNTLY OBS DUE TO WX CLDS OBSCING THE
SUMMIT AREA. VA EMS REMAIN PSBL TO THE WSW/SW OF
SUMMIT. VA FCST THRU T+6 HRS BASED ON NWP MDLS.
...COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20250517/0345Z
Volcanic Ash Advisory issued on 2025-05-16 at 16:07 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission.
  • Light volcanic ash emission seen move southwest from summit. Model guidance shows a continue southwest move through t+12 hours. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX20 at 16:10 UTC, 16/05/25 from KNES
VA ADVISORY
DTG: 20250516/1607Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/426
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS
OBS VA DTG: 16/1540Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1444 W09132 - N1436 W09146 - N1443 W09148 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 16/2130Z SFC/FL140 N1446 W09133 - N1444 W09131 - N1431 W09150 - N1439 W09156 - N1446 W09133
FCST VA CLD +12HR: 17/0330Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1435 W09153 - N1442 W09158 - N1446 W09133
FCST VA CLD +18HR: 17/0930Z NO VA EXP
RMK: LGT VA EMS SEEN MOV SW FM SUMMIT. MODEL
GUIDANCE SHOWS A CONT SW MOV THRU T+12 HRS. MOV
AND HGT BASED ON SAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250516/2200Z
Volcanic Ash Advisory issued on 2025-05-16 at 10:09 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission possibly observation in webcam. Volcanic ash not visible in satellite img maybe due to meteorological cloud cover. Model guidance suggests southwest mvmt from summit through t+6. Gatling.

Original Message :

Received FVXX20 at 10:11 UTC, 16/05/25 from KNES
VA ADVISORY
DTG: 20250516/1009Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/425
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 16/0940Z
EST VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1437 W09143 - N1444 W09146 - N1446 W09133 MOV SW 5KT
FCST VA CLD +6HR: 16/1530Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1434 W09147 - N1442 W09151 - N1446 W09133
FCST VA CLD +12HR: 16/2130Z NO VA EXP
FCST VA CLD +18HR: 17/0330Z NO VA EXP
RMK: VA EMS PSBLY OBS IN WEBCAM. VA NOT VISIBLE
IN STLT IMG MAYBE DUE TO MET CLD CVR. MDL
GUIDANCE SUGGESTS SW MVMT FM SUMMIT THRU T+6.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250516/1615Z
Volcanic Ash Advisory issued on 2025-05-16 at 04:34 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not visible in satellite img. Volcanic ash emission may be.

Original Message :

Received FVXX20 at 04:36 UTC, 16/05/25 from KNES
VA ADVISORY
DTG: 20250516/0434Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/424
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 16/0410Z
EST VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1435 W09141 - N1442 W09146 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 16/1000Z SFC/FL140 N1446 W09132 - N1444 W09132 - N1431 W09148 - N1440 W09153 - N1446 W09132
FCST VA CLD +12HR: 16/1600Z NO VA EXP
FCST VA CLD +18HR: 16/2200Z NO VA EXP
RMK: VA NOT VISIBLE IN STLT IMG. VA EMS MAY BE
OBSCD BY HEAVY MET CLD CVR. OCNL VA EMS MAY CONT.
MDL GUIDANCE SUGGESTS SW MVMT FM SUMMIT THRU T+6.
...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250516/1030Z
Volcanic Ash Advisory issued on 2025-05-15 at 22:50 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash cloud possibly obsd by satellite moving wsw from summit. Volcanic ash clouds clrly obsd before 17z moving wsw and have dissipated. Nwp models suggest volcanic ash at flight level 140 (4200m) and forecast volcanic ash to move wsw-sw through t+12hrs. Hosley.

Original Message :

Received FVXX20 at 22:52 UTC, 15/05/25 from KNES
VA ADVISORY
DTG: 20250515/2250Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/423
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS.
OBS VA DTG: 15/2210Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1437 W09143 - N1442 W09146 - N1446 W09132 MOV W 10KT
FCST VA CLD +6HR: 16/0400Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1431 W09143 - N1437 W09149 - N1446 W09133
FCST VA CLD +12HR: 16/1000Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1431 W09146 - N1440 W09152 - N1446 W09132
FCST VA CLD +18HR: 16/1600Z NO VA EXP
RMK: VA CLD PSBLY OBSD BY STLT MOVING WSW FM
SUMMIT. VA CLDS CLRLY OBSD BFR 17Z MOVG WSW AND
HAVE DSIPTD. NWP MDLS SUG VA AT FL140 AND FCST VA
TO MOV WSW-SW THRU T+12HRS. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250516/0445Z
Volcanic Ash Advisory issued on 2025-05-15 at 17:03 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite. Volcanic ash puff seen appx 15nmi southwest from summit dissipating. Nwp model forecast little change through. Zeng.

Original Message :

Received FVXX20 at 17:06 UTC, 15/05/25 from KNES
VA ADVISORY
DTG: 20250515/1703Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/422
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EMS OBSD
OBS VA DTG: 15/1630Z
OBS VA CLD: SFC/FL140 N1440 W09145 - N1437 W09143 - N1434 W09146 - N1437 W09149 - N1440 W09145 MOV SW 10KT
FCST VA CLD +6HR: 15/2230Z SFC/FL140 N1447 W09133 - N1445 W09132 - N1432 W09147 - N1437 W09150 - N1447 W09133
FCST VA CLD +12HR: 16/0430Z NO VA EXP
FCST VA CLD +18HR: 16/1030Z NO VA EXP
RMK: VA EMS OBSD IN SAT. VA PUFF SEEN APPX 15NMI
SW FM SUMMIT DISSIPATING. NWP MDL FCST LTLCG
THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250515/2300Z
Volcanic Ash Advisory issued on 2025-05-15 at 11:19 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission likely continuing.
  • Volcanic ash emission not obsd in satellite due to meteorological webcam showed likely mixture of steam/va emission. Nwp model forecast little change through. Zeng.

Original Message :

Received FVXX20 at 11:22 UTC, 15/05/25 from KNES
VA ADVISORY
DTG: 20250515/1119Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/421
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS LKLY CONTG
OBS VA DTG: 15/1100Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1444 W09132 - N1440 W09146 - N1446 W09147 - N1446 W09132 MOV W 10KT
FCST VA CLD +6HR: 15/1700Z SFC/FL140 N1446 W09132 - N1444 W09132 - N1438 W09148 - N1446 W09150 - N1446 W09132
FCST VA CLD +12HR: 15/2300Z NO VA EXP
FCST VA CLD +18HR: 16/0500Z NO VA EXP
RMK: VA EMS NOT OBSD IN SAT DUE TO MET CLDS.
WEBCAM SHOWED LKLY MIXTURE OF STEAM/VA EMS. NWP
MDL FCST LTLCG THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250515/1715Z
Volcanic Ash Advisory issued on 2025-05-15 at 05:40 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not detected in satellite img. Volcanic ash emission maybe.

Original Message :

Received FVXX20 at 05:42 UTC, 15/05/25 from KNES
VA ADVISORY
DTG: 20250515/0540Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/420
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 15/0510Z
EST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1439 W09142 - N1446 W09144 - N1446 W09132 MOV SW 5KT
FCST VA CLD +6HR: 15/1100Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1434 W09144 - N1441 W09149 - N1446 W09132
FCST VA CLD +12HR: 15/1700Z NO VA EXP
FCST VA CLD +18HR: 15/2300Z NO VA EXP
RMK: VA NOT DETECTED IN STLT IMG. VA EMS MAYBE
OBSCD BY MET CLDS. OCNL VA EMS MAY CONT. MDL
GUIDANCE SUGGESTS A GEN SW MVMT FM SUMMIT THRU
T+6. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250515/1145Z
Volcanic Ash Advisory issued on 2025-05-14 at 23:48 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash emission not vsbl in satellite img due to meteorological volcanic ash emission may be obscured. Little change in forecast exp through t+12 hours. Mvmt and height based on nwp. Bertalan.

Original Message :

Received FVXX20 at 23:52 UTC, 14/05/25 from KNES
VA ADVISORY
DTG: 20250514/2348Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/419
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 14/2320Z
EST VA CLD: SFC/FL140 N1446 W09132 - N1445 W09132 - N1437 W09135 - N1441 W09142 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 15/0530Z SFC/FL140 N1446 W09132 - N1444 W09132 - N1434 W09142 - N1440 W09149 - N1446 W09132
FCST VA CLD +12HR: 15/1130Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1434 W09144 - N1442 W09149 - N1446 W09133
FCST VA CLD +18HR: 15/1730Z NO VA EXP
RMK: VA EMS NOT VSBL IN STLT IMG DUE TO MET CLDS.
VA EMS MAY BE OBSCD. LTLCG IN FCST EXP THRU T+12
HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250515/0545Z
Volcanic Ash Advisory issued on 2025-05-14 at 18:07 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite img extg apprx 10 nm southwest from summit. A more wsw mvmt exp by t+18 hours. Mvmt and height based on satellite observation and nwp. Bertalan.

Original Message :

Received FVXX20 at 18:09 UTC, 14/05/25 from KNES
VA ADVISORY
DTG: 20250514/1807Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/418
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS OBSD
OBS VA DTG: 14/1740Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1437 W09136 - N1440 W09140 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 14/2330Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1435 W09138 - N1438 W09143 - N1446 W09133
FCST VA CLD +12HR: 15/0530Z SFC/FL140 N1446 W09133 - N1446 W09132 - N1437 W09140 - N1441 W09144 - N1446 W09133
FCST VA CLD +18HR: 15/1130Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1438 W09142 - N1443 W09144 - N1446 W09132
RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 10 NM SW
FM SUMMIT. A MORE WSW MVMT EXP BY T+18 HRS. MVMT
AND HGT BASED ON STLT OBS AND NWP MDLS.
...BERTALAN
NXT ADVISORY: WILL BE ISSUED BY 20250515/0000Z
Volcanic Ash Advisory issued on 2025-05-14 at 12:17 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash activity continuing.
  • Volcanic ash activity continuing with well defined hotspot seen in s/w imagery. Volcanic ash not seen due to meteorological model guidance shows a continue southwest move through t+18 hours. Move and height based on model guidance. Kibler.

Original Message :

Received FVXX20 at 12:19 UTC, 14/05/25 from KNES
VA ADVISORY
DTG: 20250514/1217Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/417
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA ACT CONTG
OBS VA DTG: 14/1150Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1445 W09133 - N1435 W09138 - N1439 W09145 - N1446 W09132 MOV SW 10KT
FCST VA CLD +6HR: 14/1800Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1432 W09149 - N1438 W09153 - N1446 W09133
FCST VA CLD +12HR: 15/0000Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1430 W09144 - N1434 W09151 - N1446 W09133
FCST VA CLD +18HR: 15/0600Z SFC/FL140 N1446 W09133 - N1445 W09133 - N1434 W09150 - N1440 W09154 - N1446 W09133
RMK: VA ACT CONTG WITH WELL DEFINED HOTSPOT SEEN
IN S/W IMAGERY. VA NOT SEEN DUE TO MET CLDS.
MODEL GUIDANCE SHOWS A CONT SW MOV THRU T+18 HRS.
MOV AND HGT BASED ON MODEL GUIDANCE. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250514/1815Z
Volcanic Ash Advisory issued on 2025-05-14 at 06:25 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • A single light volcanic ash puff was noted in recent infrared imagery. Nothing seen in webcam due to dense weather clouds near the summit. Volcanic ash move to the southwest and ssw of the summit. Lee.

Original Message :

Received FVXX20 at 06:27 UTC, 14/05/25 from KNES
VA ADVISORY
DTG: 20250514/0625Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/416
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 14/0550Z
OBS VA CLD: SFC/FL140 N1443 W09136 - N1442 W09133 - N1438 W09134 - N1439 W09137 - N1443 W09136 MOV SW 10KT
FCST VA CLD +6HR: 14/1200Z SFC/FL140 N1444 W09134 - N1444 W09132 - N1431 W09134 - N1433 W09140 - N1444 W09134
FCST VA CLD +12HR: 14/1800Z SFC/FL140 N1445 W09132 - N1429 W09131 - N1431 W09137 - N1445 W09134 - N1445 W09132
FCST VA CLD +18HR: 15/0000Z SFC/FL140 N1446 W09133 - N1444 W09131 - N1430 W09137 - N1432 W09143 - N1446 W09133
RMK: A SINGLE LIGHT VA PUFF WAS NOTED IN RECENT
IR IMAGERY. NOTHING SEEN IN WEBCAM DUE TO DENSE
WX CLDS NEAR THE SUMMIT. VA MOV TO THE SW AND SSW
OF THE SUMMIT. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250514/1230Z
Volcanic Ash Advisory issued on 2025-05-14 at 00:40 UTC.

    Key information extracted from original VAA message :


  • Possible volcanic ash emission.
  • Volcanic ash not crntly detected in satellite img. Occasional volcanic ash emission may continue. Southwest mvmt from summit exp through t+12. Forecast based on model. Gatling.

Original Message :

Received FVXX20 at 00:42 UTC, 14/05/25 from KNES
VA ADVISORY
DTG: 20250514/0040Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/415
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: PSBL VA EMS
EST VA DTG: 14/0010Z
EST VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1434 W09134 - N1438 W09141 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 14/0600Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1430 W09136 - N1435 W09144 - N1446 W09133
FCST VA CLD +12HR: 14/1200Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1430 W09136 - N1435 W09144 - N1446 W09133
FCST VA CLD +18HR: 14/1800Z NO VA EXP
RMK: VA NOT CRNTLY DETECTED IN STLT IMG. OCNL VA
EMS MAY CONT. SW MVMT FM SUMMIT EXP THRU T+12.
FCST BASED ON MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250514/0645Z
Volcanic Ash Advisory issued on 2025-05-13 at 18:41 UTC.

    Key information extracted from original VAA message :


  • Intermittent volcanic ash emission.
  • Volcanic ash emission not crntly observation in satellite img. Volcanic ash emission likely to continue. Southwest mvmt from summit exp through t+18. Forecast based on model. Gatling.

Original Message :

Received FVXX20 at 18:43 UTC, 13/05/25 from KNES
VA ADVISORY
DTG: 20250513/1841Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/414
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: INTMT VA EMS
OBS VA DTG: 13/1810Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1434 W09133 - N1437 W09140 - N1446 W09133 MOV SW 5KT
FCST VA CLD +6HR: 14/0000Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1428 W09137 - N1432 W09145 - N1446 W09133
FCST VA CLD +12HR: 14/0600Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1428 W09138 - N1434 W09147 - N1446 W09133
FCST VA CLD +18HR: 14/1200Z SFC/FL140 N1446 W09132 - N1445 W09132 - N1428 W09139 - N1434 W09147 - N1446 W09132
RMK: VA EMS NOT CRNTLY OBS IN STLT IMG. VA EMS
LIKELY TO CONT. SW MVMT FM SUMMIT EXP THRU T+18.
FCST BASED ON MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250514/0045Z
Volcanic Ash Advisory issued on 2025-05-13 at 12:38 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission seen in satellite and webcam.
  • Volcanic ash emission seen in satellite and webcam move ssw statute mile summit. Model guidance shows a continue s-ly move through t+12 hours before turning toward the southwest at t+18. Move and height based on satellite and nwp. Kibler.

Original Message :

Received FVXX20 at 12:40 UTC, 13/05/25 from KNES
VA ADVISORY
DTG: 20250513/1238Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/413
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS SEEN IN SAT AND WEBCAM
OBS VA DTG: 13/1210Z
OBS VA CLD: SFC/FL140 N1445 W09134 - N1445 W09132 - N1425 W09137 - N1426 W09143 - N1445 W09134 MOV S 10KT
FCST VA CLD +6HR: 13/1800Z SFC/FL140 N1445 W09133 - N1445 W09132 - N1415 W09136 - N1417 W09143 - N1445 W09133
FCST VA CLD +12HR: 14/0000Z SFC/FL140 N1446 W09132 - N1416 W09140 - N1419 W09147 - N1446 W09133 - N1446 W09132
FCST VA CLD +18HR: 14/0600Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1419 W09152 - N1427 W09156 - N1446 W09133
RMK: VA EMS SEEN IN SAT AND WEBCAM MOV SSW SM
SUMMIT. MODEL GUIDANCE SHOWS A CONT S-LY MOV THRU
T+12 HRS BEFORE TURNING TWD THE SW AT T+18. MOV AND HGT
BASED ON SAT AND NWP. ...KIBLER
NXT ADVISORY: WILL BE ISSUED BY 20250513/1845Z
Volcanic Ash Advisory issued on 2025-05-13 at 06:42 UTC.

    Key information extracted from original VAA message :


  • Ongoing volcanic ash emission.
  • Intermittent small volcanic ash emission noted in webcam, but not seen in satellite imagery due to high weather volcanic ash drifting to southwest of the summit based on nwp. Lee.

Original Message :

Received FVXX20 at 06:44 UTC, 13/05/25 from KNES
VA ADVISORY
DTG: 20250513/0642Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/412
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOING VA EMS.
OBS VA DTG: 13/0610Z
OBS VA CLD: SFC/FL140 N1446 W09135 - N1444 W09133 - N1441 W09134 - N1431 W09142 - N1437 W09149 - N1446 W09135 MOV SW 05KT
FCST VA CLD +6HR: 13/1200Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1431 W09139 - N1437 W09144 - N1446 W09133
FCST VA CLD +12HR: 13/1800Z SFC/FL140 N1447 W09133 - N1444 W09132 - N1431 W09145 - N1438 W09150 - N1447 W09133
FCST VA CLD +18HR: 14/0000Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1435 W09144 - N1441 W09147 - N1446 W09133
RMK: INTERMITTENT SMALL VA EMS NOTED IN WEBCAM,
BUT NOT SEEN IN STLT IMAGERY DUE TO HIGH WX CLDS.
VA DRIFTING TO SW OF THE SUMMIT BASED ON NWP
MDLS. ...LEE
NXT ADVISORY: WILL BE ISSUED BY 20250513/1245Z
Volcanic Ash Advisory issued on 2025-05-13 at 00:58 UTC.

    Key information extracted from original VAA message :


  • Continue light volcanic ash emission.
  • Continue light volcanic ash emission observation move southwest in satellite imagery. Volcanic ash forecast to continue southwest move through t+12hrs before disp. Volcano activity low. Fisher.

Original Message :

Received FVXX20 at 01:00 UTC, 13/05/25 from KNES
VA ADVISORY
DTG: 20250513/0058Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/411
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT LGT VA EMS
OBS VA DTG: 13/0030Z
OBS VA CLD: SFC/FL140 N1446 W09132 - N1433 W09141 - N1440 W09146 - N1446 W09132 MOV SW 5KT
FCST VA CLD +6HR: 13/0630Z SFC/FL140 N1446 W09132 - N1423 W09148 - N1434 W09158 - N1446 W09132
FCST VA CLD +12HR: 13/1230Z SFC/FL140 N1446 W09132 - N1421 W09148 - N1433 W09200 - N1446 W09132
FCST VA CLD +18HR: 13/1830Z NO VA EXP
RMK: CONT LGT VA EMS OBS MOV SW IN STLT IMAGERY.
VA FCST TO CONT SW MOV THRU T+12HRS BEFORE DISP.
VO ACT LOW. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250513/0700Z
Volcanic Ash Advisory issued on 2025-05-12 at 19:14 UTC.

    Key information extracted from original VAA message :


  • Continue light volcanic ash emission.
  • Continue light volcanic ash emission observation move w to wsw in satellite imagery. Volcanic ash forecast to continue w to wsw move through t+12hrs before disp. Volcano activity moderate. Fisher.

Original Message :

Received FVXX20 at 19:16 UTC, 12/05/25 from KNES
VA ADVISORY
DTG: 20250512/1914Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/410
INFO SOURCE: GOES-18. WEBCAM. NWP MODELS. VOLCAT.
ERUPTION DETAILS: CONT LGT VA EMS
OBS VA DTG: 12/1840Z
OBS VA CLD: SFC/FL140 N1447 W09132 - N1423 W09153 - N1445 W09204 - N1447 W09132 MOV SW 5KT
FCST VA CLD +6HR: 13/0030Z SFC/FL140 N1453 W09204 - N1447 W09132 - N1431 W09201 - N1453 W09204
FCST VA CLD +12HR: 13/0630Z SFC/FL140 N1450 W09207 - N1447 W09132 - N1426 W09157 - N1450 W09207
FCST VA CLD +18HR: 13/1230Z NO VA EXP
RMK: CONT LGT VA EMS OBS MOV W TO WSW IN STLT
IMAGERY. VA FCST TO CONT W TO WSW MOV THRU
T+12HRS BEFORE DISP. VO ACT MODERATE. ...FISHER
NXT ADVISORY: WILL BE ISSUED BY 20250513/0115Z
Volcanic Ash Advisory issued on 2025-05-12 at 13:25 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission obsd.
  • Volcanic ash emission obsd in satellite. Volcanic ash clouds moved southwest turing south. Volcat alert received. Nwp model forecast sw-ly winds through. Zeng.

Original Message :

Received FVXX20 at 13:27 UTC, 12/05/25 from KNES
VA ADVISORY
DTG: 20250512/1325Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/409
INFO SOURCE: GOES-19. NWP MODELS. VOLCAT.
ERUPTION DETAILS: VA EMS OBSD
OBS VA DTG: 12/1300Z
OBS VA CLD: SFC/FL140 N1445 W09133 - N1444 W09132 - N1440 W09137 - N1436 W09139 - N1431 W09138 - N1423 W09132 - N1422 W09134 - N1428 W09141 - N1435 W09142 - N1442 W09138 - N1445 W09133 MOV SW 5KT
FCST VA CLD +6HR: 12/1900Z SFC/FL140 N1446 W09132 - N1444 W09132 - N1433 W09140 - N1438 W09146 - N1446 W09132
FCST VA CLD +12HR: 13/0100Z NO VA EXP
FCST VA CLD +18HR: 13/0700Z NO VA EXP
RMK: VA EMS OBSD IN SAT. VA CLDS MOVED SW TURING
S. VOLCAT ALERT RECEIVED. NWP MDL FCST SW-LY
WINDS THRU T+6HRS. ...ZENG
NXT ADVISORY: WILL BE ISSUED BY 20250512/1930Z
Volcanic Ash Advisory issued on 2025-05-10 at 19:15 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ended.
  • Volcanic ash not detected on various satellite products. Weather clouds cover part of summit area currently. New volcanic ash emission possible at any. Konon.

Original Message :

Received FVXX24 at 19:18 UTC, 10/05/25 from KNES
VA ADVISORY
DTG: 20250510/1915Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/408
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ENDED
OBS VA DTG: 10/1850Z
OBS VA CLD: VA NOT IDENTIFIABLE FM STLT DATA
FCST VA CLD +6HR: 11/0100Z NO VA EXP
FCST VA CLD +12HR: 11/0700Z NO VA EXP
FCST VA CLD +18HR: 11/1300Z NO VA EXP
RMK: VA NOT DETECTED ON VARIOUS STLT PRODUCTS.
WX CLDS CVR PART OF SUMMIT AREA CURRENTLY. NEW
VA EMS PSBL AT ANY TIME. ...KONON
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-10 at 13:43 UTC.

    Key information extracted from original VAA message :


  • Occasional volcanic ash emission.
  • Multiple volcanic ash clouds obsd by satellite moving southwest from summit to over 10 nmi from summit. Webcam unavailable. Nwp models suggest volcanic ash up to flight level 140 (4200m) and forecast little change in winds through t+12 afr which volcanic ash forecast to move wnw. Hosley.

Original Message :

Received FVXX24 at 13:46 UTC, 10/05/25 from KNES
VA ADVISORY
DTG: 20250510/1343Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/407
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: OCNL VA EMS.
OBS VA DTG: 10/1310Z
OBS VA CLD: SFC/FL140 N1446 W09133 - N1445 W09132 - N1432 W09140 - N1437 W09146 - N1446 W09133 MOV SW 5KT
FCST VA CLD +6HR: 10/1900Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1422 W09150 - N1431 W09159 - N1446 W09133
FCST VA CLD +12HR: 11/0100Z SFC/FL140 N1446 W09133 - N1444 W09132 - N1423 W09154 - N1434 W09201 - N1446 W09133
FCST VA CLD +18HR: 11/0700Z SFC/FL140 N1457 W09201 - N1446 W09132 - N1444 W09132 - N1445 W09203 - N1457 W09201
RMK: MULT VA CLDS OBSD BY STLT MOVG SW FM SUMMIT
TO OVR 10 NMI FM SUMMIT. WEBCAM UNAVBL. NWP MDLS
SUG VA UP TO FL140 AND FCST LTLCG IN WINDS THRU
T+12 AFR WHICH VA FCST TO MOV WNW. ...HOSLEY
NXT ADVISORY: WILL BE ISSUED BY 20250510/1945Z
Volcanic Ash Advisory issued on 2025-05-09 at 02:45 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash not observation.
  • No volcanic ash emission crntly observation in satellite imagery. Webcam inop. No rcnt reports of volcanic ash received. Coverdale.

Original Message :

Received FVXX24 at 02:47 UTC, 09/05/25 from KNES
VA ADVISORY
DTG: 20250509/0245Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/406
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA NOT OBS
OBS VA DTG: 09/0220Z
OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA.
FCST VA CLD +6HR: 09/0830Z NO VA EXP
FCST VA CLD +12HR: 09/1430Z NO VA EXP
FCST VA CLD +18HR: 09/2030Z NO VA EXP
RMK: NO VA EMS CRNTLY OBS IN STLT IMAGERY. WEBCAM
INOP. NO RCNT RPRTS OF VA RCVD. ...COVERDALE
NXT ADVISORY: NO FURTHER ADVISORIES
Volcanic Ash Advisory issued on 2025-05-08 at 20:46 UTC.

    Key information extracted from original VAA message :


  • Volcanic ash emission ongoing.
  • Volcanic ash not detected on satellite due to weather clouds in summit area. No change forecast to model winds at next 6 hour. Konon.

Original Message :

Received FVXX24 at 20:48 UTC, 08/05/25 from KNES
VA ADVISORY
DTG: 20250508/2046Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/405
INFO SOURCE: GOES-19.
ERUPTION DETAILS: VA EMS ONGOING
EST VA DTG: 08/2010Z
EST VA CLD: SFC/FL130 N1446 W09133 - N1446 W09132 - N1441 W09135 - N1443 W09138 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 09/0200Z SFC/FL130 N1446 W09133 - N1446 W09132 - N1439 W09135 - N1443 W09139 - N1446 W09133
FCST VA CLD +12HR: 09/0800Z NO VA EXP
FCST VA CLD +18HR: 09/1400Z NO VA EXP
RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. NO CHG FCST TO MDL WINDS AT FL NXT 6
HR. ...KONON
NXT ADVISORY: WILL BE ISSUED BY 20250509/0300Z
Volcanic Ash Advisory issued on 2025-05-08 at 14:53 UTC.

    Key information extracted from original VAA message :


  • Light volcanic ash emission.
  • Volcanic ash emission visible in satellite img move southwest ext approximate 20nm from summit. Intermittent volcanic ash emission likely to continue. A general southwest mvmt exp through t+18. Forecast based on satellite and model. Gatling.

Original Message :

Received FVXX24 at 14:55 UTC, 08/05/25 from KNES
VA ADVISORY
DTG: 20250508/1453Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT [3745 M]
ADVISORY NR: 2025/404
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS
OBS VA DTG: 08/1420Z
OBS VA CLD: SFC/FL130 N1446 W09133 - N1445 W09132 - N1431 W09143 - N1435 W09147 - N1446 W09133 MOV SW 10KT
FCST VA CLD +6HR: 08/2030Z SFC/FL130 N1446 W09133 - N1445 W09132 - N1428 W09147 - N1434 W09153 - N1446 W09133
FCST VA CLD +12HR: 09/0230Z SFC/FL130 N1446 W09133 - N1445 W09132 - N1429 W09149 - N1436 W09153 - N1446 W09133
FCST VA CLD +18HR: 09/0830Z SFC/FL130 N1446 W09133 - N1445 W09132 - N1435 W09143 - N1443 W09147 - N1446 W09133
RMK: VA EMS VISIBLE IN STLT IMG MOV SW EXT APRX
20NM FM SUMMIT. INTMT VA EMS LIKELY TO CONT. A
GEN SW MVMT EXP THRU T+18. FCST BASED ON STLT AND
MDL WINDS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20250508/2100Z