Autor: global-affair

Satellite image of Lewotolo volcano on 23 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 7000 ft (2100 m), or flight level 070.
Original VAAC bulletin:

FVAU04 at 22:55 UTC, 23/09/26 from ADRM
VA ADVISORY
DTG: 20260923/2300Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/271
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 MOV W
OBS VA DTG: 23/2230Z
OBS VA CLD: SFC/FL070 S0815 E12332 - S0817 E12331 - S0818
 E12310 - S0813 E12307 - S0809 E12310 MOV W 10KT
FCST VA CLD +6 HR: 24/0430Z SFC/FL070 S0815 E12332 - S0818
 E12331 - S0820 E12254 - S0755 E12301
FCST VA CLD +12 HR: 24/1030Z SFC/FL070 S0818 E12331 - S0819
 E12255 - S0801 E12259 - S0815 E12332
FCST VA CLD +18 HR: 24/1630Z SFC/FL070 S0818 E12331 - S0820
 E12255 - S0801 E12259 - S0815 E12332
RMK: VA IDENTIFIABLE ON VIS SATELLITE IMAGERY. HEIGHT AND
 FCST BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260924/0500Z=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVAU02 at 17:22 UTC, 23/09/26 from ADRM
VA ADVISORY
DTG: 20260923/1725Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1091
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 23/1700Z MOV SE
EST VA DTG: 23/1700Z
EST VA CLD: SFC/FL150 S0804 E11251 - S0801 E11256 - S0813
 E11322 - S0835 E11320 - S0838 E11300 MOV SE 10KT
FCST VA CLD +6 HR: 23/2300Z SFC/FL150 S0805 E11250 - S0759
 E11255 - S0759 E11320 - S0822 E11323 - S0834 E11305
FCST VA CLD +12 HR: 24/0500Z SFC/FL150 S0805 E11250 - S0759
 E11254 - S0803 E11320 - S0819 E11321 - S0827 E11302
FCST VA CLD +18 HR: 24/1100Z SFC/FL150 S0803 E11251 - S0759
 E11256 - S0805 E11321 - S0823 E11319 - S0829 E11300
RMK: DISCRETE VA EMISSION IDENTIFIABLE ON CURRENT SATELLITE
 IMAGERY. VA EMISSION IS EXPECTED TO BE ONGOING. HEIGHT AND
 MOVEMENT BASED ON SATELLITE IMAGERY, GROUND REPORTS AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260923/2325Z=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 20000 ft (6100 m), or flight level 200.
Original VAAC bulletin:

FVXX24 at 09:47 UTC, 23/09/26 from KNES
VA ADVISORY
DTG: 20260923/0945Z

VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837

AREA: MEXICO

SOURCE ELEV: 17693 FT AMSL

ADVISORY NR: 2026/344

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

ERUPTION DETAILS: DISCRETE VA EM.

OBS VA DTG: 23/0926Z

OBS VA CLD: SFC/FL200 N1913 W09846 - N1901 W09837
- N1900 W09837 - N1910 W09849 - N1913 W09846 MOV
NW 20KT 

FCST VA CLD +6HR: 23/1530Z SFC/FL200 N1925 W09857
- N1901 W09837 - N1900 W09837 - N1918 W09902 -
N1925 W09857 

FCST VA CLD +12HR: 23/2130Z NO VA EXP

FCST VA CLD +18HR: 24/0330Z NO VA EXP

RMK: SML VA EM LKLY OBSD BY WEBCAM AT 0900Z AND
OBSD BY STLT AFTER 0901Z MOVG NW. FL ESTD FM NWP
MDLS AND WEBCAM. NWP MDLS FCST LTLCG IN WINDS
THRU T+6HRS. ...HOSLEY

NXT ADVISORY: WILL BE ISSUED BY 20260923/1545Z

Satellite image of Semeru volcano on 23 Sep 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.
Original VAAC bulletin:

FVAU02 at 09:51 UTC, 23/09/26 from ADRM
VA ADVISORY
DTG: 20260923/0950Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1089
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 23/0010Z
EST VA DTG: 23/0930Z
EST VA CLD: SFC/FL150 S0808 E11249 - S0759 E11250 - S0746
 E11314 - S0800 E11329 - S0816 E11323 - S0828 E11305 MOV SE
 10KT
FCST VA CLD +6 HR: 23/1530Z SFC/FL150 S0809 E11249 - S0800
 E11248 - S0743 E11313 - S0756 E11329 - S0821 E11320
FCST VA CLD +12 HR: 23/2130Z SFC/FL150 S0810 E11249 - S0801
 E11248 - S0744 E11313 - S0802 E11327 - S0823 E11316
FCST VA CLD +18 HR: 24/0330Z SFC/FL150 S0808 E11248 - S0757
 E11250 - S0753 E11325 - S0814 E11326 - S0826 E11308
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY. VA
 EMISSION IS EXPECTED TO BE ONGOING. HEIGHT AND MOVEMENT
 BASED ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL
 GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260923/1550Z=