Kategorie: Climate Change

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 and is moving at 15 kts in E direction.
The full report is as follows:

FVFE01 at 06:00 UTC, 06/12/25 from RJTD
VA ADVISORY
DTG: 20251206/0600Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2025/455
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 06/0520Z
OBS VA CLD: SFC/FL090 N3143 E13053 – N3143 E13100 – N3137 E13058 –
N3138 E13053 MOV E 15KT
FCST VA CLD +6 HR: 06/1120Z SFC/FL090 N3144 E13344 – N3110 E13124 –
N3159 E13121 – N3228 E13225
FCST VA CLD +12 HR: 06/1720Z SFC/FL070 N3113 E13600 – N3029 E13148 –

N3157 E13127 – N3259 E13359
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20251206/1200Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows:

FVXX25 at 01:24 UTC, 06/12/25 from KNES
VA ADVISORY
DTG: 20251206/0122Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2025/919

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: FREQUENT VA EMS

OBS VA DTG: 06/0040Z

OBS VA CLD: SFC/FL190 S0200 W07820 – S0208 W07804
– S0213 W07807 – S0201 W07820 – S0200 W07820 MOV
SE 10KT

FCST VA CLD +6HR: 06/0630Z SFC/FL190 S0200 W07820
– S0203 W07803 – S0208 W07804 – S0201 W07820 –
S0200 W07820

FCST VA CLD +12HR: 06/1230Z NO VA EXP

FCST VA CLD +18HR: 06/1830Z NO VA EXP

RMK: SML VA EMS OBS IN STLT IMG EXT APRX 20NM SE
FM SUMMIT. ESE MVMT EXP BY T+6. FCST BASED ON
STLT AND MDL WINDS. …GATLING

NXT ADVISORY: WILL BE ISSUED BY 20251206/0715Z

Satellite image of Semeru volcano on 5 Dec 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:

FVAU02 at 22:06 UTC, 05/12/25 from ADRM
VA ADVISORY
DTG: 20251205/2200Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1390
INFO SOURCE: CVGHM, HIMAWARI-9
ERUPTION DETAILS: VA TO FL150 OBS AT 05/2140Z MOV S
OBS VA DTG: 05/2140Z
OBS VA CLD: SFC/FL150 S0800 E11251 – S0759 E11259 – S0821
E11309 – S0822 E11246 MOV S 05KT
FCST VA CLD +6 HR: 06/0340Z SFC/FL150 S0800 E11259 – S0824
E11312 – S0825 E11242 – S0800 E11251
FCST VA CLD +12 HR: 06/0940Z SFC/FL150 S0758 E11257 – S0822
E11310 – S0824 E11242 – S0758 E11247
FCST VA CLD +18 HR: 06/1540Z SFC/FL150 S0758 E11258 – S0825
E11310 – S0824 E11242 – S0758 E11248
RMK: VA OBSERVED ON LATEST SATELLITE IMAGERY. GROUND REPORTS
INDICATE DISCRETE VA EMISSIONS ARE ONGOING. VA HEIGHT AND
MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
MODEL GUIDANCE. **CORRECTED FOR RMK TYPO**
NXT ADVISORY: NO LATER THAN 20251206/0400Z=

Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report:

FVFE01 at 17:37 UTC, 05/12/25 from RJTD
VA ADVISORY
DTG: 20251205/1737Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2025/449
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: EXPLODED AT 20251205/1713Z FL100 EXTD E
OBS VA DTG: 05/1720Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 270/17KT

FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW
ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED
IN SATELLITE IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Volcanic Ash Advisory Center Wellington (VAAC) issued the following report:

FVPS01 at 12:06 UTC, 05/12/25 from NZKL
VA ADVISORY
DTG: 20251205/1206Z
VAAC: WELLINGTON
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SUMMIT ELEV: 1496M
ADVISORY NR: 2025/20
INFO SOURCE: H9 SATELLITE IMAGERY
AVIATION COLOUR CODE: UNKNOWN
ERUPTION DETAILS: ERUPTION AT 20251202/1400Z CONTINUOUS LOW
LEVEL ERUPTION
EST VA DTG: 05/1206Z
EST VA CLD: SFC/FL060 S1526 E16752 – S1527 E16752 – S1521
E16737 – S1508 E16741 – S1520 E16757 MOV NW 10KT
FCST VA CLD +6 HR: 05/1806Z SFC/FL060 S1528 E16753 – S1519
E16739 – S1509 E16742 – S1520 E16758
FCST VA CLD +12 HR: 06/0006Z SFC/FL060 S1528 E16750 – S1519
E16738 – S1508 E16743 – S1519 E16756
FCST VA CLD +18 HR: 06/0606Z SFC/FL060 S1528 E16751 – S1519
E16739 – S1509 E16742 – S1520 E16756
RMK: VOLCANO OBSC BY MET CLOUD. VA NOT IDENTIFIABLE IN
SATELLITE IMAGERY. MOST RECENT OBS OF VA WAS AROUND 08Z.
HEIGHT AND MOVEMENT ESTIMATED BASED ON MODELS AND SOUNDING.
NXT ADVISORY: NO LATER THAN 20251205/1806Z=