Overall Green Volcanic eruption alert for Ulawun in Papua New Guinea on 20 Nov 2023 19:15 UTC

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Overall Green alert Volcanic eruption for Ulawun

in Papua New Guinea

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.

Measurements Levels

SOURCE	GAUGE LOCATION	LAT	LON	TIME (UTC)	HEIGHT (m)	PERIOD (min)

20 Nov 19:15 21 Nov 01:01 21 Nov 07:00 21 Nov 13:00 21 Nov 19:00 21 Nov 23:00

21/11 23:00 2023-44 DARWIN

21/11 19:00 2023-43 DARWIN

21/11 13:00 2023-42 DARWIN

21/11 07:00 2023-41 DARWIN

21/11 01:01 2023-40 DARWIN

20/11 19:15 2023-39 DARWIN

20/11 17:40 2023-38 DARWIN

20/11 14:40 2023-37 DARWIN

Volcanic Ash Advisory issued on 2023-11-21 at 23:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 400 (12000m) exd wnw last observation before a break in coverage at a manual station observation 21 1840 UTC.
Current satellite imagery and recent ground report indicates that ash from volcano has dissipated. No further reports of new or ongoing eruption. Advisory terminated. Steam/smoke and minor ash emissions near summit may occur. Wind from model data.

Original Message :

Received FVAU01 at 23:02 UTC, 21/11/23 from ADRM
VA ADVISORY
DTG: 20231121/2300Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/44
INFO SOURCE: HIMAWARI-9, RVO
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL400 EXD WNW LAST OBS 21/1840Z
OBS VA DTG: 21/2240Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL400 070/05KT
FCST VA CLD +6 HR: 22/0440Z NO VA EXP
FCST VA CLD +12 HR: 22/1040Z NO VA EXP
FCST VA CLD +18 HR: 22/1640Z NO VA EXP
RMK: CURRENT SAT IMAGERY AND RECENT GROUND REPORT INDICATES
THAT ASH FROM VOLCANO ULAWUN HAS DISSIPATED. NO FURTHER
REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY TERMINATED.
STEAM/SMOKE AND MINOR ASH EMISSIONS NEAR SUMMIT MAY OCCUR.
WIND FROM MODEL DATA.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2023-11-21 at 19:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 400 (12000m) exd wnw observation 21 1840 UTC.
Weak emissions moving wnw of summit may be ongoing. Volcanic ash height and movement based on ground obs, satellite imagery and model data.

Original Message :

Received FVAU01 at 18:55 UTC, 21/11/23 from ADRM
VA ADVISORY
DTG: 20231121/1900Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/43
INFO SOURCE: HIMAWARI-9, RVO
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL400 EXD WNW OBS 21/1840Z
EST VA DTG: 21/1840Z
EST VA CLD: SFC/FL400 S0549 E15124 - S0559 E14849 - S0429 E14538 - S0128 E14629 - S0331 E15150 MOV NW 15KT
E14538 - S0128 E14629 - S0331 E15150 MOV NW 15KT
FCST VA CLD +6 HR: 22/0040Z SFC/FL400 S0511 E15142 - S0614 E14954 - S0450 E14530 - S0130 E14629 - S0327 E15142
E14954 - S0450 E14530 - S0130 E14629 - S0327 E15142
FCST VA CLD +12 HR: 22/0640Z SFC/FL400 S0514 E15137 - S0619 E14857 - S0431 E14524 - S0131 E14632 - S0308 E15118
E14857 - S0431 E14524 - S0131 E14632 - S0308 E15118
FCST VA CLD +18 HR: 22/1240Z SFC/FL400 S0528 E15143 - S0615 E14813 - S0452 E14537 - S0146 E14622 - S0308 E15131
E14813 - S0452 E14537 - S0146 E14622 - S0308 E15131
RMK: WEAK EMISSIONS MOVING WNW OF SUMMIT MAY BE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON GND OBS, SAT IMAGERY AND MODEL
DATA.
NXT ADVISORY: NO LATER THAN 20231122/0100Z=

Volcanic Ash Advisory issued on 2023-11-21 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash to flight level 400 (12000m) exd w observation 21 1240 UTC.
Weak emissions moving wnw of summit may be ongoing. Volcanic ash plume to flight level 600 (18000m) exd e is no longer discernible on satellite img and is expected to have dissipated. Volcanic ash height and movement based on ground obs, satellite imagery and model data.

Original Message :

Received FVAU01 at 13:00 UTC, 21/11/23 from ADRM
VA ADVISORY
DTG: 20231121/1300Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/42
INFO SOURCE: HIMAWARI-9, RVO
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL400 EXD W OBS 21/1240Z
EST VA DTG: 21/1240Z
EST VA CLD: SFC/FL400 S0545 E15142 - S0622 E14800 - S0416 E14518 - S0151 E14717 - S0305 E15118 MOV NW 20KT
E14518 - S0151 E14717 - S0305 E15118 MOV NW 20KT
FCST VA CLD +6 HR: 21/1840Z SFC/FL400 S0546 E15139 - S0602 E14937 - S0441 E14627 - S0201 E14743 - S0311 E15118
E14937 - S0441 E14627 - S0201 E14743 - S0311 E15118
FCST VA CLD +12 HR: 22/0040Z SFC/FL400 S0511 E15142 - S0558 E15033 - S0446 E14626 - S0200 E14743 - S0313 E15116
E15033 - S0446 E14626 - S0200 E14743 - S0313 E15116
FCST VA CLD +18 HR: 22/0640Z SFC/FL400 S0514 E15137 - S0558 E15035 - S0444 E14627 - S0201 E14743 - S0308 E15118
E15035 - S0444 E14627 - S0201 E14743 - S0308 E15118
RMK: WEAK EMISSIONS MOVING WNW OF SUMMIT MAY BE ONGOING. VA
PLUME TO FL600 EXD E IS NO LONGER DISCERNIBLE ON SAT IMG AND
IS EXPECTED TO HAVE DISSIPATED. VA HEIGHT AND MOVEMENT BASED
ON GND OBS, SAT IMAGERY AND MODEL DATA.
NXT ADVISORY: NO LATER THAN 20231121/1900Z=

Volcanic Ash Advisory issued on 2023-11-21 at 07:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

To flight level 400 (12000m) exd w observation 21/0630z, volcanic ash to flight level 600 (18000m) exd e observation 20 2030 UTC.
Continuous volcanic ash to flight level 400 (12000m) observation on recent satellite imagery. Volcanic ash observation to flight level 600 (18000m) exd e, expected to dissipate next 12 hours. Volcanic ash height and movement based on ground obs, satellite imagery and model data.

Original Message :

Received FVAU01 at 07:00 UTC, 21/11/23 from ADRM
VA ADVISORY
DTG: 20231121/0700Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/41
INFO SOURCE: HIMAWARI-9, RVO
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: TO FL400 EXD W OBS 21/0630Z, VA TO FL600
EXD E OBS 20/2030Z
OBS VA DTG: 21/0630Z
OBS VA CLD: SFC/FL400 S0410 E15154 - S0601 E15153 - S0644 E15017 - S0507 E14720 - S0303 E14817 MOV W 20KT SFC/FL600 S0513 E15105 - S0435 E15058 - S0346 E15258 - S0525 E15319 - S0546 E15153 MOV E 15KT
S0546 E15153 MOV E 15KT
FCST VA CLD +6 HR: 21/1230Z SFC/FL400 S0546 E15153 - S0656 E14901 - S0500 E14718 - S0304 E14805 - S0409 E15137 SFC/FL600 S0521 E15105 - S0437 E15105 - S0354 E15347 - S0541 E15353
E15353
FCST VA CLD +12 HR: 21/1830Z SFC/FL400 S0513 E15141 - S0553 E15024 - S0428 E14701 - S0212 E14750 - S0332 E15120
E15024 - S0428 E14701 - S0212 E14750 - S0332 E15120
FCST VA CLD +18 HR: 22/0030Z SFC/FL400 S0511 E15142 - S0551 E15037 - S0407 E14715 - S0203 E14852 - S0313 E15116
E15037 - S0407 E14715 - S0203 E14852 - S0313 E15116
RMK: CONTINUOUS VA TO FL400 OBS ON RECENT SAT IMAGERY. VA
OBS TO FL600 EXD E, EXPECTED TO DISSIPATE WITHIN NEXT 12
HRS. VA HEIGHT AND MOVEMENT BASED ON GND OBS, SAT IMAGERY
AND MODEL DATA.
NXT ADVISORY: NO LATER THAN 20231121/1300Z=

Volcanic Ash Advisory issued on 2023-11-21 at 01:01 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation to flight level 600 (18000m) extend se and to flight level 500 (15000m) extend wnw at 21 0030 UTC.
Volcanic ash observation to flight level 600 (18000m) extend e of summit. Continuous volcanic ash plume to flight level 500 (15000m) extend approximate 240nm wnw of summit. Volcanic ash height based on infrared cloud top of clouds temp, model winds and direction of volcanic ash movement. Volcanic ash forecast based on satellite data and dispersion.

Original Message :

Received FVAU01 at 01:01 UTC, 21/11/23 from ADRM
VA ADVISORY
DTG: 20231121/0101Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/40
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA OBS TO FL600 EXTD SE AND TO FL500 EXTD
WNW AT 21/0030Z
OBS VA DTG: 21/0030Z
OBS VA CLD: SFC/FL500 S0424 E15158 - S0553 E15156 - S0628 E15003 - S0540 E14711 - S0323 E14736 - S0336 E15112 MOV NW 15KT SFC/FL600 S0514 E15053 - S0428 E15057 - S0428 E15321 - S0557 E15314 - S0553 E15145 MOV SE 15KT
S0557 E15314 - S0553 E15145 MOV SE 15KT
FCST VA CLD +6 HR: 21/0630Z SFC/FL500 S0546 E15152 - S0614 E15022 - S0514 E14740 - S0303 E14817 - S0251 E15144 - S0423 E15208 SFC/FL600 S0513 E15105 - S0435 E15058 - S0302 E15451 - S0501 E15529 - S0532 E15218
- S0501 E15529 - S0532 E15218
FCST VA CLD +12 HR: 21/1230Z SFC/FL500 S0521 E15139 - S0602 E15007 - S0439 E14714 - S0209 E14757 - S0207 E15122 SFC/FL600 S0517 E15106 - S0434 E15054 - S0251 E15454 - S0517 E15527
E15527
FCST VA CLD +18 HR: 21/1830Z SFC/FL500 S0513 E15141 - S0553 E15024 - S0428 E14701 - S0212 E14750 - S0217 E15105
E15024 - S0428 E14701 - S0212 E14750 - S0217 E15105
RMK: VA OBS TO FL600 EXTD E OF SUMMIT. CONTINUOUS VA PLUME
TO FL500 EXTD APRX 240NM WNW OF SUMMIT. VA HEIGHT BASED ON
IR CLOUD TOP TEMP, MODEL WINDS AND DIRECTION OF VA MOVEMENT.
VA FCST BASED ON SAT DATA AND DISPERSION MODELS.
NXT ADVISORY: NO LATER THAN 20231121/0701Z=

Volcanic Ash Advisory issued on 2023-11-20 at 19:15 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash observation to flight level 600 (18000m) extend se and to flight level 500 (15000m) extend w at 20 1840 UTC.
Stratospheric volcanic ash observation to flight level 600 (18000m) extend approximate 40nm se of summit. Continuous volcanic ash plume to flight level 500 (15000m) extend approximate 230nm west of summit. Height based on infrared cloud top of clouds temperature analysis. Forecast based on dispersion advisory will be updated as new information is received.

Original Message :

Received FVAU01 at 19:15 UTC, 20/11/23 from ADRM
VA ADVISORY
DTG: 20231120/1915Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/39
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA OBS TO FL600 EXTD SE AND TO FL500 EXTD
W AT 20/1840Z
OBS VA DTG: 20/1850Z
OBS VA CLD: SFC/FL500 S0502 E15133 - S0552 E15115 - S0556 E14957 - S0521 E14738 - S0420 E14733 - S0355 E15044 MOV W 20KT SFC/FL600 S0503 E15104 - S0443 E15115 - S0519 E15158 - S0540 E15144 MOV SE 15KT
S0540 E15144 MOV SE 15KT
FCST VA CLD +6 HR: 21/0050Z SFC/FL500 S0503 E15132 - S0613 E15112 - S0621 E14927 - S0529 E14711 - S0348 E14657 - S0343 E15049 SFC/FL600 S0503 E15105 - S0445 E15115 - S0458 E15314 - S0550 E15307 - S0605 E15159
- S0550 E15307 - S0605 E15159
FCST VA CLD +12 HR: 21/0650Z SFC/FL500 S0504 E15133 - S0635 E15106 - S0618 E14700 - S0331 E14620 - S0343 E15049 SFC/FL600 S0513 E15105 - S0448 E15106 - S0430 E15314 - S0531 E15322 - S0544 E15222
E15322 - S0544 E15222
FCST VA CLD +18 HR: 21/1250Z SFC/FL500 S0503 E15133 - S0653 E15043 - S0638 E14705 - S0430 E14533 - S0320 E14608 - S0342 E15048 SFC/FL600 S0517 E15106 - S0450 E15102 - S0414 E15315 - S0524 E15322
- S0524 E15322
RMK: STRATOSPHERIC VA OBS TO FL600 EXTD APRX 40NM SE OF
SUMMIT. CONTINUOUS VA PLUME TO FL500 EXTD APRX 230NM WEST OF
SUMMIT. HEIGHT BASED ON IR CLOUD TOP TEMP ANALYSIS. FCST
BASED ON DISPERSION MODELS. ADVISORY WILL BE UPDATED AS NEW
INFORMATION IS RECEIVED.
NXT ADVISORY: NO LATER THAN 20231121/0115Z=

Volcanic Ash Advisory issued on 2023-11-20 at 17:40 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash plume to flight level 500 (15000m) move w observation at 20 1720 UTC.
Continuous volcanic ash plume, currently extending approx. 380nm west of summit. Height based on infrared temperature of approx -67c. Forecast based on dispersion advisory will be updated as new information is received.

Original Message :

Received FVAU01 at 17:38 UTC, 20/11/23 from ADRM
VA ADVISORY
DTG: 20231120/1740Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/38
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS VA PLUME TO FL500 MOV W OBS AT
20/1720Z
OBS VA DTG: 20/1720Z
OBS VA CLD: SFC/FL500 S0502 E15133 - S0546 E15116 - S0552 E15013 - S0521 E14738 - S0420 E14733 - S0355 E15044 MOV W 20KT
20KT
FCST VA CLD +6 HR: 20/2320Z SFC/FL500 S0503 E15132 - S0605 E15115 - S0621 E14930 - S0529 E14711 - S0348 E14657 - S0343 E15049
E15049
FCST VA CLD +12 HR: 21/0520Z SFC/FL500 S0504 E15133 - S0635 E15106 - S0618 E14700 - S0331 E14620 - S0343 E15049
E15106 - S0618 E14700 - S0331 E14620 - S0343 E15049
FCST VA CLD +18 HR: 21/1120Z SFC/FL500 S0503 E15133 - S0653 E15043 - S0638 E14705 - S0430 E14533 - S0320 E14608 - S0342 E15048
E15048
RMK: CONTINUOUS VA PLUME, CURRENTLY EXTENDING APPROX. 380NM
WEST OF SUMMIT. HEIGHT BASED ON IR TEMP OF APPROX -67C. FCST
BASED ON DISPERSION MODELS. ADVISORY WILL BE UPDATED AS NEW
INFORMATION IS RECEIVED.
NXT ADVISORY: NO LATER THAN 20231120/2340Z=

Volcanic Ash Advisory issued on 2023-11-20 at 14:40 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Continuous volcanic ash plume to flight level 500 (15000m) move w observation at 20 1420 UTC.
Continuous volcanic ash plume, currently extending approx. 280nm west of summit. Height based on infrared temperature of approx -62c. Forecast based on dispersion advisory will be updated as new information is received.

Original Message :

Received FVAU01 at 14:37 UTC, 20/11/23 from ADRM
VA ADVISORY
DTG: 20231120/1440Z
VAAC: DARWIN
VOLCANO: ULAWUN 252120
PSN: S0503 E15120
AREA: PAPUA NEW GUINEA
SUMMIT ELEV: 2334M
ADVISORY NR: 2023/37
INFO SOURCE: HIMAWARI-9
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: CONTINUOUS VA PLUME TO FL500 MOV W OBS AT
20/1420Z
OBS VA DTG: 20/1420Z
OBS VA CLD: SFC/FL500 S0512 E15125 - S0539 E15009 - S0528 E14839 - S0426 E14840 - S0441 E15056 - S0454 E15125 MOV W 20KT
20KT
FCST VA CLD +6 HR: 20/2020Z SFC/FL500 S0512 E15125 - S0601 E15007 - S0557 E14800 - S0442 E14658 - S0318 E14730 - S0453 E15126
E15126
FCST VA CLD +12 HR: 21/0220Z SFC/FL500 S0513 E15125 - S0620 E14940 - S0611 E14651 - S0416 E14532 - S0241 E14643 - S0453 E15126
E15126
FCST VA CLD +18 HR: 21/0820Z SFC/FL500 S0454 E15126 - S0513 E15125 - S0636 E14843 - S0620 E14630 - S0416 E14529 - S0240 E14644
E14644
RMK: CONTINUOUS VA PLUME, CURRENTLY EXTENDING APPROX. 280NM
WEST OF SUMMIT. HEIGHT BASED ON IR TEMP OF APPROX -62C. FCST
BASED ON DISPERSION MODELS. ADVISORY WILL BE UPDATED AS NEW
INFORMATION IS RECEIVED.
NXT ADVISORY: NO LATER THAN 20231120/1740Z=

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