Kategorie: Climate Change

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

FVXX21 at 08:46 UTC, 26/11/25 from KNES
VA ADVISORY
DTG: 20251126/0844Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SOURCE ELEV: 17319 FT AMSL

ADVISORY NR: 2025/563

INFO SOURCE: GOES-19. VONA. NWP MODELS. SERVICIO
GEOLOGICO COLOMBIANO.

ERUPTION DETAILS: VONA RPRTS OF POSS VA EMS

EST VA DTG: 26/0820Z

EST VA CLD: SFC/FL190 N0518 W07527 – N0455 W07519
– N0453 W07519 – N0505 W07537 – N0518 W07527 MOV
NW 15KT

FCST VA CLD +6HR: 26/1430Z SFC/FL190 N0517 W07533
– N0453 W07517 – N0452 W07520 – N0502 W07545 –
N0517 W07533

FCST VA CLD +12HR: 26/2030Z NO VA EXP

FCST VA CLD +18HR: 27/0230Z NO VA EXP

RMK: VONA RPRTS INDICATE POSS VA EMS BASED ON
SEISMIC SIGNAL. VA NOT SEEN IN SAT DUE TO MET
CLDS. GUIDANCE SHOWS A NW-LY MOV THRU T+6 HRS.
MOV AND HGT BASED ON MODEL GUIDANCE. …KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20251126/1445Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows:

FVXX20 at 04:14 UTC, 26/11/25 from KNES
VA ADVISORY
DTG: 20251126/0410Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2025/1190

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: POSS VA MOV W FM SUMMIT

OBS VA DTG: 26/0350Z

OBS VA CLD: SFC/FL160 S0001 W07751 – S0004 W07739
– S0005 W07740 – S0006 W07751 – S0001 W07751 MOV
W 10KT

FCST VA CLD +6HR: 26/1000Z SFC/FL160 N0000 W07754
– S0004 W07739 – S0005 W07739 – S0005 W07754 –
N0000 W07754

FCST VA CLD +12HR: 26/1600Z SFC/FL160 N0001
W07753 – S0004 W07738 – S0005 W07740 – S0004
W07754 – N0001 W07753

FCST VA CLD +18HR: 26/2200Z NO VA EXP

RMK: POSS VA SEEN IN SAT MOV W FM SUMMIT. MODEL
GUIDANCE SHOWS A CONT W-LY MOV. MOV AND HGT BASED
ON SAT AND MODEL GUIDANCE. …KIBLER

NXT ADVISORY: WILL BE ISSUED BY 20251126/1015Z

Satellite image of Hayli Gubbi volcano on 26 Nov 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 30000 ft (9100 m) altitude or flight level 300 .
The full report is as follows:

FVFE01 at 00:00 UTC, 26/11/25 from RJTD
VA ADVISORY
DTG: 20251126/0000Z
VAAC: TOKYO
VOLCANO: HAYLI GUBBI 221091
PSN: N1331 E04043
AREA: ETHIOPIA
SUMMIT ELEV: 493M
ADVISORY NR: 2025/9
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 25/2330Z
OBS VA CLD: SFC/FL300 N2742 E07652 – N2747 E09339 – N2512 E09013 MOV

E 60KT
FCST VA CLD +6 HR: 26/0530Z SFC/FL300 N2709 E10328 – N2508 E09816 –
N2504 E09238 – N2728 E08428 – N2833 E08603 – N2650 E09217
FCST VA CLD +12 HR: 26/1130Z SFC/FL290 N2739 E11341 – N2403 E10324 –

N2426 E09320 – N2605 E09056 – N2724 E09514 – N2601 E10031
FCST VA CLD +18 HR: NO VA EXP
RMK: NIL
NXT ADVISORY: 20251126/0300Z=

Satellite image of Bezymianny volcano on 25 Nov 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 and is moving at 10 kts in E direction.
The full report is as follows:

FVFE01 at 17:58 UTC, 25/11/25 from RJTD
VA ADVISORY
DTG: 20251125/1758Z
VAAC: TOKYO
VOLCANO: BEZYMIANNY 300250
PSN: N5558 E16036
AREA: RUSSIA
SUMMIT ELEV: 2882M
ADVISORY NR: 2025/36
INFO SOURCE: HIMAWARI-8
AVIATION COLOUR CODE: NIL
ERUPTION DETAILS: VA EMISSIONS CONTINUING
OBS VA DTG: 25/1720Z
OBS VA CLD: SFC/FL170 N5557 E16037 – N5625 E16059 – N5636 E16216 –
N5600 E16158 MOV E 10KT
FCST VA CLD +6 HR: 25/2320Z SFC/FL170 N5649 E16402 – N5528 E16405 –
N5556 E16043
FCST VA CLD +12 HR: 26/0520Z SFC/FL170 N5555 E16616 – N5430 E16603 –

N5512 E16155 – N5602 E16044 – N5628 E16207
FCST VA CLD +18 HR: NO VA EXP
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20251126/0000Z=

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 .
The full report is as follows:

FVXX25 at 15:58 UTC, 25/11/25 from KNES
VA ADVISORY
DTG: 20251125/1556Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SOURCE ELEV: 17693 FT AMSL

ADVISORY NR: 2025/491

INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.

ERUPTION DETAILS: REMNANT VA OBS

OBS VA DTG: 25/1526Z

OBS VA CLD: SFC/FL250 N2132 W09416 – N2117 W09404
– N2056 W09432 – N2113 W09444 – N2132 W09416 MOV
NE 10KT

FCST VA CLD +6HR: 25/2130Z SFC/FL250 N2206 W09347
– N2133 W09322 – N2108 W09353 – N2142 W09417 –
N2206 W09347

FCST VA CLD +12HR: 26/0330Z NO VA EXP

FCST VA CLD +18HR: 26/0930Z NO VA EXP

RMK: VERY LGT REMNANT VA OBS IN STLT IMAGERY
APPRX 275NM ENE OF SUMMIT BUT HAS ALMOST
DISSIPATED. NO RCNT VA EMS OBS. VA FCST THRU T+6
HRS BASED ON NWP MDL GUIDANCE. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20251125/2200Z