Kategorie: Climate Change

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 6000 ft (1800 m), or flight level 060.
Original VAAC bulletin:

FVAU04 at 17:49 UTC, 15/09/26 from ADRM
VA ADVISORY
DTG: 20260915/1800Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/238
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL060 MOV W REP FM GND AT 15/1059Z
EST VA DTG: 15/1730Z
EST VA CLD: SFC/FL060 S0814 E12333 - S0819 E12331 - S0817
 E12241 - S0758 E12239 - S0745 E12253 MOV NW 20KT
FCST VA CLD +6 HR: 15/2330Z SFC/FL060 S0819 E12332 - S0816
 E12242 - S0753 E12242 - S0741 E12300 - S0814 E12334
FCST VA CLD +12 HR: 16/0530Z SFC/FL060 S0818 E12333 - S0829
 E12247 - S0808 E12239 - S0748 E12254 - S0814 E12333
FCST VA CLD +18 HR: 16/1130Z SFC/FL060 S0819 E12332 - S0821
 E12242 - S0757 E12241 - S0743 E12259 - S0814 E12334
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY.
 HOWEVER, GROUND REPORT INDICATES ONGOING EMISSIONS. HEIGHT
 AND MOVEMENT BASED ON GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260916/0000Z=

The Volcanic Ash Advisory Center (VAAC) Washington issued the following bulletin.
Original VAAC bulletin:

FVXX22 at 14:29 UTC, 15/09/26 from KNES
VA ADVISORY
DTG: 20260915/1427Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/540

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

ERUPTION DETAILS: VA SEEN ON WEBCAM

EST VA DTG: 15/1410Z

EST VA CLD: SFC/FL140 N1447 W09148 - N1445 W09132
- N1444 W09132 - N1442 W09149 - N1447 W09148 MOV
W 15KT 

FCST VA CLD +6HR: 15/2000Z SFC/FL140 N1445 W09132
- N1444 W09131 - N1438 W09147 - N1444 W09148 -
N1445 W09132 

FCST VA CLD +12HR: 16/0200Z SFC/FL140 N1446
W09149 - N1446 W09132 - N1445 W09132 - N1440
W09149 - N1446 W09149 

FCST VA CLD +18HR: 16/0800Z SFC/FL140 N1446
W09149 - N1445 W09131 - N1444 W09131 - N1438
W09149 - N1446 W09149 

RMK: VA EMS SEEN ON WEBCAM. WX CLDS OBSC STLT
IMG. NWP MDLS FCST LTLCG IN FL WINDS THRU T+18. 
...BUTLER

NXT ADVISORY: WILL BE ISSUED BY 20260915/2030Z

The Volcanic Ash Advisory Center (VAAC) Toulouse issued the following bulletin.
Original VAAC bulletin:

FVXX01 at 10:00 UTC, 15/09/26 from LFPW
VA ADVISORY
DTG: 20260915/1000Z
VAAC: TOULOUSE
VOLCANO: ETNA 211060
PSN: N3744 E01459
AREA: SICILY VOLCANIC PROVINCE
SOURCE ELEV: 3357M
ADVISORY NR: 2026/157
INFO SOURCE: INGV VONA, SAT IMAGERY, WEBCAMS
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: ERUPTION AT 20260914/0240Z WEAK ERUPTION ONGOING
OBS VA DTG: 15/1000Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100
350/05KT
FCST VA CLD +6 HR: 15/1600Z SFC/FL130 N3745 E01503 - N3723 E01509 -
N3723 E01500 - N3745 E01457 - N3745 E01503
FCST VA CLD +12 HR: 15/2200Z SFC/FL130 N3745 E01457 - N3745 E01506 -
N3721 E01457 - N3727 E01445 - N3745 E01457
FCST VA CLD +18 HR: 16/0400Z SFC/FL130 N3748 E01457 - N3745 E01506 -
N3715 E01500 - N3723 E01445 - N3748 E01457
RMK: PROBABLE THIN ASH PLUME DRIFTING SOUTHWARD AND QUICKLY
DISSIPATING. DUE TO THE LOW INTENSITY OF THE EVENT, QVA ARE NOT
PROVIDED.
NXT ADVISORY: NO LATER THAN 20260915/1600Z=

Satellite image of Lewotolo volcano on 15 Sep 2026

A ground report indicated an ash eruption at Lewotolo at 05:39 UTC on 14 Sep 2026, with ash estimated at 200 m above the summit and moving northwest at 10 knots. Ash was not detected on satellite imagery due to meteorological cloud; intermittent ash eruptions are expected.
Original VAAC bulletin:

FVAU04 at 06:03 UTC, 15/09/26 from ADRM
VA ADVISORY
DTG: 20260915/0600Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/236
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: GROUND REPORT OF VA ERUPTION AT 14/0539Z
EST VA DTG: 15/0540Z
EST VA CLD: SFC/FL060 S0825 E12331 - S0804 E12242 - S0728
 E12314 - S0818 E12339 MOV NW 10KT
FCST VA CLD +6 HR: 15/1140Z SFC/FL060 S0825 E12333 - S0812
 E12236 - S0730 E12258 - S0815 E12341
FCST VA CLD +12 HR: 15/1740Z SFC/FL060 S0815 E12339 - S0826
 E12335 - S0823 E12236 - S0741 E12250
FCST VA CLD +18 HR: 15/2340Z SFC/FL060 S0823 E12332 - S0827
 E12239 - S0753 E12242 - S0735 E12303 - S0813 E12338
RMK: GROUND REPORT OF ERUPTION WITH VA TO 200M ABOVE SUMMIT
 MOVING W. VA NOT DETECTED ON CURRENT SATELLITE IMAGERY DUE
 TO MET CLOUD. ONGOING INTERMITTENT VA ERUPTIONS EXPECTED.
 FORECAST USING MODEL CONSENSUS DATA.
NXT ADVISORY: NO LATER THAN 20260915/1200Z=

Satellite image of Semeru volcano on 15 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 00:30 UTC, 15/09/26 from ADRM
VA ADVISORY
DTG: 20260915/0030Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/1055
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 14/0010Z MOV SE
OBS VA DTG: 15/0010Z
OBS VA CLD: SFC/FL150 S0802 E11255 - S0820 E11327 - S0829
 E11325 - S0833 E11317 - S0807 E11251 MOV SE 20KT
FCST VA CLD +6 HR: 15/0610Z SFC/FL150 S0807 E11251 - S0802
 E11254 - S0813 E11324 - S0826 E11326 - S0831 E11314
FCST VA CLD +12 HR: 15/1210Z SFC/FL150 S0807 E11251 - S0801
 E11254 - S0808 E11323 - S0820 E11325 - S0826 E11314
FCST VA CLD +18 HR: 15/1810Z SFC/FL150 S0803 E11254 - S0814
 E11327 - S0824 E11327 - S0830 E11319 - S0807 E11251
RMK: VA IDENTIFIABLE ON RGB AND VIS SATELLITE IMAGERY.
 RECENT GROUND REPORTS INDICATE ONGOING DISCRETE EMISSIONS.
 HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
 REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260915/0630Z=