Kategorie: Climate Change

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:

FVAU05 at 19:57 UTC, 19/08/26 from ADRM
VA ADVISORY
DTG: 20260819/1957Z
VAAC: DARWIN
VOLCANO: LEWOTOLOK 264230
PSN: S0816 E12330
AREA: INDONESIA
SOURCE ELEV: 1423M AMSL
ADVISORY NR: 2026/161
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA TO FL070 OBS AT 19/0740 MOV NW
EST VA DTG: 19/1940Z
EST VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND
 SFC/FL070 120/15KT
FCST VA CLD +6 HR: 20/0140Z NO VA EXP
FCST VA CLD +12 HR: 20/0740Z NO VA EXP
FCST VA CLD +18 HR: 20/1340Z NO VA EXP
RMK: VA NOT IDENTIFIABLE ON RECENT SATELLITE IMAGERY. NO
 FURTHER REPORTS OF NEW OR ONGOING EMISSIONS. ADVISORY WILL
 BE UPDATED IF A FRESH ERUPTION IS DETECTED/REPORTED.
NXT ADVISORY: NO FURTHER ADVISORIES=

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 22000 ft (6700 m), or flight level 220.

Original VAAC bulletin:

FVXX23 at 11:01 UTC, 19/08/26 from KNES
VA ADVISORY
DTG: 20260819/1058Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/416

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

ERUPTION DETAILS: VA EMS OBS 

OBS VA DTG: 19/1030Z

OBS VA CLD: SFC/FL220 N0220 W07624 - N0217 W07622
- N0204 W07634 - N0213 W07641 - N0220 W07624 MOV
SW 10KT 

FCST VA CLD +6HR: 19/1630Z SFC/FL220 N0220 W07623
- N0217 W07622 - N0158 W07638 - N0208 W07647 -
N0220 W07623 

FCST VA CLD +12HR: 19/2230Z SFC/FL220 N0220
W07624 - N0220 W07623 - N0158 W07628 - N0202
W07639 - N0220 W07624 

FCST VA CLD +18HR: 20/0430Z SFC/FL220 N0220
W07623 - N0218 W07622 - N0201 W07637 - N0211
W07645 - N0220 W07623 

RMK: VA EMS RCNTLY OBS ON STLT MVG SW FM SUMMIT.
VONA RPRT RCVD. A GEN SW TO SSW MVMT EXP THRU
T+18. FL AND FCST BASED ON NWP MDLS. ...EVANS

NXT ADVISORY: WILL BE ISSUED BY 20260819/1700Z

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080, and moving at 10 kts in W direction.

Original VAAC bulletin:

FVAU04 at 07:29 UTC, 19/08/26 from ADRM
VA ADVISORY
DTG: 20260819/0730Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/396
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL080 REP AT 19/0530Z
EST VA DTG: 19/0710Z
EST VA CLD: SFC/FL080 S0835 E12248 - S0841 E12222 - S0824
 E12222 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 19/1310Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0824 E12222 - S0830 E12248
FCST VA CLD +12 HR: 19/1910Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0824 E12222 - S0830 E12248
FCST VA CLD +18 HR: 20/0110Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0824 E12222 - S0830 E12248
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. GROUND
 REPORTS CONFIRM INTERMITTENT ERUPTIONS ARE ONGOING. VA
 HEIGHT AND MOVEMENT BASED ON RECENT SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260819/1330Z=

Satellite image of Lewotobi volcano on 19 Aug 2026

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Darwin warned of a volcanic ash plume rising to an estimated 8000 ft (2400 m), or flight level 080, and moving at 10 kts in W direction.

Original VAAC bulletin:

FVAU04 at 01:28 UTC, 19/08/26 from ADRM
VA ADVISORY
DTG: 20260819/0130Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/395
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL080 REP AT 18/1310Z
EST VA DTG: 19/0110Z
EST VA CLD: SFC/FL080 S0835 E12248 - S0841 E12222 - S0833
 E12219 - S0824 E12222 - S0830 E12248 MOV W 10KT
FCST VA CLD +6 HR: 19/0710Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0833 E12219 - S0824 E12222 - S0830 E12248
FCST VA CLD +12 HR: 19/1310Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0833 E12219 - S0824 E12222 - S0830 E12248
FCST VA CLD +18 HR: 19/1910Z SFC/FL080 S0835 E12248 - S0841
 E12222 - S0833 E12219 - S0824 E12222 - S0830 E12248
RMK: VA NOT IDENTIFIABLE ON LATEST SATELLITE IMAGERY. GROUND
 REPORTS CONFIRM INTERMITTENT ERUPTIONS ARE ONGOING. VA
 HEIGHT AND MOVEMENT BASED ON RECENT SATELLITE IMAGERY,
 GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260819/0730Z=

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, and moving at 05 kts in NE direction.

Original VAAC bulletin:

FVAU02 at 22:42 UTC, 18/08/26 from ADRM
VA ADVISORY
DTG: 20260818/2250Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/943
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 REP AT 18/00650Z
EST VA DTG: 18/2230Z
EST VA CLD: SFC/FL150 S0808 E11253 - S0744 E11253 - S0745
 E11306 - S0754 E11313 - S0808 E11256 MOV NE 05KT
FCST VA CLD +6 HR: 19/0430Z SFC/FL150 S0808 E11253 - S0746
 E11246 - S0743 E11258 - S0749 E11309 - S0809 E11257
FCST VA CLD +12 HR: 19/1030Z SFC/FL150 S0808 E11253 - S0746
 E11246 - S0743 E11258 - S0749 E11309 - S0809 E11257
FCST VA CLD +18 HR: 19/1630Z SFC/FL150 S0808 E11253 - S0746
 E11246 - S0743 E11258 - S0749 E11309 - S0808 E11257
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
 CLOUD. INTERMITTENT VA EMISSIONS EXPECTED TO BE ONGOING. VA
 HEIGHT AND MOV BASED ON SATELLITE IMAGERY, GROUND REPORTS
 AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260819/0450Z=