Overall Green Volcanic eruption alert for Semeru in Indonesia on 01 Dec 2020 00:00 UTC

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Overall Green alert Volcanic eruption for Semeru

in Indonesia

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)

01 Dec 01:20

05/12 18:04 2020-268

05/12 04:58 2020-267

02/12 18:59 2020-266

02/12 13:00 2020-265

01/12 19:20 2020-262

01/12 01:20 2020-259

Volcanic Ash Advisory issued on 2020-12-05 at 18:04 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Vona state eruption to flight level 150 (4500m) at 05/1628z.
Cvghm report eruption to 1000m above summit. Volcanic ash not identifiable on satellite imagery due to meteorological cloud. Volcanic ash height and movement based on grnd report and model guidance. Previous advisory corrected due to multiple wind information in observation section.

Original Message :

Received FVAU01 at 18:04 UTC, 05/12/20 from ADRM
VA ADVISORY
DTG: 20201205/1804Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/268
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VONA STATE ERUPTION TO FL150 AT 05/1628Z.
OBS VA DTG: 05/1804Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL150 330/10KT
FCST VA CLD +6 HR: 06/0004Z NOT AVBL
FCST VA CLD +12 HR: 06/0604Z NOT AVBL
FCST VA CLD +18 HR: 06/1204Z NOT AVBL
RMK: CVGHM REPORT ERUPTION TO 1000M ABOVE SUMMIT. VA NOT
IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET CLOUD. VA
HEIGHT AND MOVEMENT BASED ON GRND REPORT AND MODEL
GUIDANCE. PREVIOUS ADVISORY CORRECTED DUE TO MULTIPLE WIND
INFORMATION IN OBS SECTION.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2020-12-05 at 04:58 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash reported to flight level 140 (4200m) at 05 0300 UTC.
Airep 05 0300 UTC reports volcanic ash to flight level 140 (4200m) volcanic ash unidentifiable on satellite imagery due to meteorological cloud obscuration. Height and winds based on airep, surabaya 05 0000 UTC sounding and model guidance. An updated advisory will be issued if further information.

Original Message :

Received FVAU01 at 04:58 UTC, 05/12/20 from ADRM
VA ADVISORY
DTG: 20201205/0458Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/267
INFO SOURCE: HIMAWARI-8, AIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA REPORTED TO FL140 AT 05/0300Z
OBS VA DTG: 05/0458Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL014 260/05KT
FCST VA CLD +6 HR: 05/1058Z NO VA EXP
FCST VA CLD +12 HR: 05/1658Z NO VA EXP
FCST VA CLD +18 HR: 05/2258Z NO VA EXP
RMK: AIREP 05/0300Z REPORTS VA TO FL140. VA UNIDENTIFIABLE
ON SAT IMAGERY DUE TO MET CLOUD OBSCURATION. HEIGHT AND
WINDS BASED ON AIREP, SURABAYA 05/0000Z SOUNDING AND MODEL
GUIDANCE. AN UPDATED ADVISORY WILL BE ISSUED IF FURTHER INFO

Volcanic Ash Advisory issued on 2020-12-02 at 18:59 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Multiple volcanic ash emissions to flight level 130 (3900m) last observation before a break in coverage at a manual station reported at 02 0236 UTC.
Volcanic ash has not been identifiable on satellite imagery for over 24 hours, however, a thermal anomaly remains. No further reports of new or ongoing eruption. Advisory terminated.

Original Message :

Received FVAU03 at 18:59 UTC, 02/12/20 from ADRM
VA ADVISORY
DTG: 20201202/1859Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/266
INFO SOURCE: HIMAWARI-8, CVGHM, PIREP
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL130 LAST
REPORTED AT 02/0236Z
EST VA DTG: 02/1900Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
SFC/FL013 200/05KT
FCST VA CLD +6 HR: 03/0100Z NO VA EXP
FCST VA CLD +12 HR: 03/0700Z NO VA EXP
FCST VA CLD +18 HR: 03/1300Z NO VA EXP
RMK: VA HAS NOT BEEN IDENTIFIABLE ON SATELLITE IMAGERY FOR
OVER 24 HOURS, HOWEVER, A THERMAL ANOMALY REMAINS. NO
FURTHER REPORTS OF NEW OR ONGOING ERUPTION. ADVISORY
TERMINATED.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory issued on 2020-12-02 at 13:00 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Multiple volcanic ash emissions to flight level 150 (4500m).
Volcanic ash currently not discernible on satellite imagery. Cvghm reports multiple reports of pyroclastic ow and the superheated lava induces thermals which raises desposited ash around the volcano. Volcanic ash movement based on model guidance.

Original Message :

Received FVAU03 at 12:59 UTC, 02/12/20 from ADRM
VA ADVISORY
DTG: 20201202/1300Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/265
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL150.
OBS VA DTG: 02/1300Z
OBS VA CLD: SFC/FL150 S0811 E11255 - S0800 E11246 - S0747 E11305 - S0753 E11314 - S0805 E11317 MOV NE 05KT
E11305 - S0753 E11314 - S0805 E11317 MOV NE 05KT
FCST VA CLD +6 HR: 02/1900Z SFC/FL150 S0811 E11257 - S0804 E11250 - S0749 E11256 - S0747 E11306 - S0802 E11322
E11250 - S0749 E11256 - S0747 E11306 - S0802 E11322
FCST VA CLD +12 HR: 03/0100Z SFC/FL150 S0808 E11256 - S0806 E11252 - S0743 E11259 - S0759 E11321
E11252 - S0743 E11259 - S0759 E11321
FCST VA CLD +18 HR: 03/0700Z SFC/FL150 S0807 E11256 - S0806 E11253 - S0741 E11254 - S0756 E11319
E11253 - S0741 E11254 - S0756 E11319
RMK: VA CURRENTLY NOT DISCERNIBLE ON SATELLITE IMAGERY.
CVGHM REPORTS MULTIPLE REPORTS OF PYROCLASTIC FLOW AND THE
SUPERHEATED LAVA INDUCES THERMALS WHICH RAISES DESPOSITED
ASH AROUND THE VOLCANO. VA MOVEMENT BASED ON MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20201202/1900Z=

Volcanic Ash Advisory issued on 2020-12-01 at 19:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Volcanic ash emission to flight level 200 (6000m) move e.
Volcanic ash partially discernible on rgb satellite imagery at 01/1830z. Volcanic ash height and movement based on himawari-8 and model guidance.

Original Message :

Received FVAU03 at 19:12 UTC, 01/12/20 from ADRM
VA ADVISORY
DTG: 20201201/1920Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/262
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: VA EMISSION TO FL200 MOV E.
OBS VA DTG: 01/1920Z
OBS VA CLD: SFC/FL200 S0810 E11251 - S0801 E11249 - S0731 E11357 - S0825 E11401 MOV E 10KT
E11357 - S0825 E11401 MOV E 10KT
FCST VA CLD +6 HR: 02/0120Z SFC/FL200 S0811 E11252 - S0801 E11250 - S0727 E11359 - S0827 E11407
E11250 - S0727 E11359 - S0827 E11407
FCST VA CLD +12 HR: 02/0720Z SFC/FL200 S0812 E11250 - S0801 E11248 - S0727 E11402 - S0828 E11409
E11248 - S0727 E11402 - S0828 E11409
FCST VA CLD +18 HR: 02/1320Z SFC/FL200 S0811 E11249 - S0801 E11247 - S0723 E11405 - S0832 E11412 - S0811 E11249
E11247 - S0723 E11405 - S0832 E11412 - S0811 E11249
RMK: VA PARTIALLY DISCERNIBLE ON RGB SAT IMAGERY AT
01/1830Z. VA HEIGHT AND MOVEMENT BASED ON HIMAWARI-8 AND
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20201202/0120Z=

Volcanic Ash Advisory issued on 2020-12-01 at 01:20 UTC.

Key information extracted from original VAA message :

Aviation Colour Code :

Multiple volcanic ash emissions to flight level 200 (6000m) move se.
Volcanic ash discernible on satellite imagery at 01 0110 UTC move se. Volcanic ash height and movement based on himawari-8, cvghm vona at 30 2025 UTC and dispersion modelling.

Original Message :

Received FVAU03 at 01:20 UTC, 01/12/20 from ADRM
VA ADVISORY
DTG: 20201201/0120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3676M
ADVISORY NR: 2020/259
INFO SOURCE: HIMAWARI-8, CVGHM
AVIATION COLOUR CODE: ORANGE
ERUPTION DETAILS: MULTIPLE VA EMISSIONS TO FL200 MOV SE
OBS VA DTG: 01/0120Z
OBS VA CLD: SFC/FL200 S0806 E11253 - S0803 E11255 - S0807 E11336 - S0841 E11316 MOV SE 05KT
E11336 - S0841 E11316 MOV SE 05KT
FCST VA CLD +6 HR: 01/0720Z SFC/FL200 S0807 E11254 - S0805 E11254 - S0757 E11339 - S0829 E11332
E11254 - S0757 E11339 - S0829 E11332
FCST VA CLD +12 HR: 01/1320Z SFC/FL200 S0807 E11254 - S0804 E11254 - S0755 E11337 - S0829 E11332
E11254 - S0755 E11337 - S0829 E11332
FCST VA CLD +18 HR: 01/1920Z SFC/FL200 S0806 E11254 - S0803 E11254 - S0751 E11334 - S0826 E11330
E11254 - S0751 E11334 - S0826 E11330
RMK: VA DISCERNIBLE ON SAT IMAGERY AT 01/0110Z MOV SE. VA
HEIGHT AND MOVEMENT BASED ON HIMAWARI-8, CVGHM VONA AT
30/2025Z AND DISPERSION MODELLING.
NXT ADVISORY: NO LATER THAN 20201201/0720Z=

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