Autor: global-affair

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 5 kts in N direction.
The full report is as follows:

FVXX01 at 22:58 UTC, 23/11/25 from LFPW
VA ADVISORY
DTG: 20251123/2257Z
VAAC: TOULOUSE
VOLCANO: HAYLI GUBBI 221091
PSN: N1330 E04043
AREA: AFAR RIFT VOLCANIC PROVINCE
SOURCE ELEV: 493M
ADVISORY NR: 2025/4
INFO SOURCE: SAT IMAGERY, GEOLOGYHUB
AVIATION COLOUR CODE: UNKNOWN
ERUPTION DETAILS: ERUPTION AT 20251123/0830Z ERUPTION HAS STOPPED
OBS VA DTG: 23/2300Z
OBS VA CLD: SFC/FL100 N1906 E03924 – N1306 E04242 – N1115 E04106 –
N1754 E03753 – N1906 E03924 MOV N 5KT SFC/FL350 N1433 E04209 – N1826
E04839 – N1439 E04827 – N1245 E04139 – N1433 E04209 MOV E 20KT
FL180/450 N1709 E04609 – N1951 E05209 – N1639 E05648 – N1354 E05227 –
N1436 E04515 – N1709 E04609 MOV E 50KT
FCST VA CLD +6 HR: 24/0500Z SFC/FL100 N1951 E03608 – N2151 E03808 –
N1611 E04157 – N1418 E04618 – N1121 E04045 – N1951 E03608 SFC/FL320
N1500 E04424 – N2033 E05245 – N1811 E05627 – N1300 E04342 – N1500
E04424 FL180/450 N2042 E05142 – N2321 E05924 – N1721 E06333 – N1512
E04830 – N2042 E05142
FCST VA CLD +12 HR: 24/1100Z SFC/FL100 N2009 E03530 – N2257 E03800 –
N1309 E04612 – N1036 E04106 – N2009 E03530 SFC/FL300 N1433 E04345 –
N2109 E05445 – N1815 E05948 – N1218 E04424 – N1433 E04345 FL200/450
N2842 E06702 – N2127 E06945 – N1803 E05539 – N1848 E05233 – N2842
E06702
FCST VA CLD +18 HR: 24/1700Z SFC/FL100 N2024 E03527 – N2427 E03715 –
N1248 E04648 – N0948 E04139 – N2024 E03527 FL080/300 N1433 E04424 –
N2409 E06227 – N2121 E06817 – N1233 E04503 – N1433 E04424 FL200/450
N3157 E07506 – N2630 E08133 – N1824 E06106 – N2251 E05800 – N3157
E07506
RMK: LARGE ASH PLUME AND SO2 UP TO FL450 CURRENTLY OVER YEMEN AND
OMAN. LOWER PLUME STILL VISIBLE OVER ETHIOPIA. QVA CONCENTRATIONS
MAY BE UNDERESTIMATED.
NXT ADVISORY: NO LATER THAN 20251123/0200Z=

Satellite image of Semeru volcano on 23 Nov 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 and is moving at 10 kts in SE direction.
The full report is as follows:

FVAU02 at 17:17 UTC, 23/11/25 from ADRM
VA ADVISORY
DTG: 20251123/1720Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SUMMIT ELEV: 3657M
ADVISORY NR: 2025/1341
INFO SOURCE: CVGHM, HIMAWARI-8
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 22/2249Z
EST VA DTG: 23/1700Z
EST VA CLD: SFC/FL150 S0806 E11249 – S0800 E11253 – S0800
E11311 – S0815 E11319 – S0820 E11302 MOV SE 10KT
FCST VA CLD +6 HR: 23/2300Z SFC/FL150 S0806 E11249 – S0759
E11253 – S0759 E11311 – S0809 E11321 – S0820 E11315 – S0819
E11300
FCST VA CLD +12 HR: 24/0500Z SFC/FL150 S0806 E11249 – S0759
E11252 – S0800 E11310 – S0812 E11321 – S0820 E11313 – S0818
E11257
FCST VA CLD +18 HR: 24/1100Z SFC/FL150 S0806 E11249 – S0759
E11252 – S0801 E11313 – S0811 E11320 – S0821 E11313 – S0819
E11258
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD, HOWEVER RECENT GROUND REPORTS AND WEBCAM IMAGERY
INDICATE INTERMITTENT VA EMISSIONS ARE ONGOING. VA HEIGHT
AND MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251123/2320Z=

Satellite image of Hayli Gubbi volcano on 23 Nov 2025

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 15 kts in NW direction.
The full report is as follows:

FVXX01 at 14:55 UTC, 23/11/25 from LFPW
VA ADVISORY
DTG: 20251123/1455Z
VAAC: TOULOUSE
VOLCANO: HAYLI GUBBI 221091
PSN: N1330 E04043
AREA: AFAR RIFT VOLCANIC PROVINCE
SOURCE ELEV: 493M
ADVISORY NR: 2025/1
INFO SOURCE: SATELLITE DATA, GEOLOGYHUB
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20251123/0830Z EXPLOSIVE ACTIVITY
ONGOING
OBS VA DTG: 23/1448Z
OBS VA CLD: SFC/FL100 N1448 E03948 – N1436 E04057 – N1227 E04315 –
N1142 E04157 – N1309 E04024 – N1448 E03948 MOV NW 15KT FL100/450
N1339 E04042 – N1424 E04224 – N1551 E04430 – N1333 E04700 – N1254
E04606 – N1345 E04427 – N1336 E04300 – N1321 E04151 – N1339 E04042
MOV NE 25KT
FCST VA CLD +6 HR:NOT PROVIDED
FCST VA CLD +12 HR:NOT PROVIDED
FCST VA CLD +18 HR:NOT PROVIDED
RMK: ERUPTON ONGOING PLUME REACH FL 450
NXT ADVISORY: NO LATER THAN 20251123/1530Z=

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

FVXX24 at 08:06 UTC, 23/11/25 from KNES
VA ADVISORY
DTG: 20251123/0804Z

VAAC: WASHINGTON

VOLCANO: RUIZ 351020
PSN: N0453 W07519

AREA: COLOMBIA

SOURCE ELEV: 17319 FT AMSL

ADVISORY NR: 2025/559

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

ERUPTION DETAILS: VA EM DETECTED

EST VA DTG: 23/0740Z

EST VA CLD: SFC/FL210 N0507 W07527 – N0453 W07517
– N0451 W07520 – N0458 W07537 – N0507 W07527 MOV
NW 5KT

FCST VA CLD +6HR: 23/1330Z SFC/FL210 N0508 W07538
– N0454 W07518 – N0452 W07519 – N0456 W07545 –
N0508 W07538

FCST VA CLD +12HR: 23/1930Z NO VA EXP

FCST VA CLD +18HR: 24/0130Z NO VA EXP

RMK: VONA RCVD FOR VA EM MOVNG NW FM SUMMIT. VA
NOT OBS IN STLT IMG DUE TO HVY MET CLD CVR. EXP
WNW MOVNT THRU T+6 HRS. OBS DIR BSD ON VONA. FL
AND FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20251123/1400Z