Autor: global-affair

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

FVAK22 at 21:00 UTC, 31/07/26 from PAWU
VAAAK2
VA ADVISORY

DTG: 20260731/2100Z

VAAC: ANCHORAGE

VOLCANO: SHEVELUCH 300270

PSN: N5639 E16122

AREA: KAMCHATKA PENINSULA

SOURCE ELEV: 10771 FT AMSL

ADVISORY NR: 2026/245

INFO SOURCE: HIMAWARI/GOES/PIREP

ERUPTION DETAILS: RESIDUAL VA CONTINUOUSLY OBSERVED IN SATELLITE IMAGERY.

OBS VA DTG: 31/2100Z

OBS VA CLD: FL100/FL340 N5357 W17319 – N4853 W16236 – N4658
W16626 – N5321 W17537 – N5357 W17319 MOV SE 85KT
SFC/FL250 N5723 E17344 – N5636 W17822 – N5513 E17922 – N5554
E17246 – N5723 E17344 MOV SE 40KT

FCST VA CLD +6HR: 01/0300Z FL100/FL340 N5226 W15425 – N4937
W15237 – N4430 W15827 – N4659 W16620 – N4940 W16304 – N4937
W15723 – N5206 W15740 – N5226 W15425
SFC/FL250 N5630 W17848 – N5320 W16952 – N5251 W17431 – N5514
E17759 – N5630 W17848 – N5630 W17848

FCST VA CLD +12HR: 01/0900Z FL100/FL340 N5451 W15528 – N4931
W14857 – N4505 W14813 – N4352 W15558 – N4626 W15738 – N4933
W15416 – N5231 W15519 – N5356 W15745 – N5451 W15528
SFC/FL250 NO VA EXP

FCST VA CLD +18HR: 01/1500Z FL100/FL340 N5627 W15930 – N4533
W14024 – N4038 W15253 – N4255 W15457 – N4717 W14829 – N5519
W16106 – N5627 W15930
SFC/FL250 NO VA EXP

RMK: SFC/FL250 VA PLUME MOSTLY OBSCURED IN MET CLOUD…SC

NXT ADVISORY: WILL BE ISSUED BY 20260801/0300Z=

The ongoing eruption at Etna as seen from space on 30 July (image: Sentinel-2, processed by Martin Kelko)

The latest satellite imagery by the ESA’s Sentinel-2 captured the ongoing eruption of the volcano. In the image, there is likely visible the small pyroclastic flow.

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 05 kts in E direction.
The full report is as follows:

FVAU02 at 13:19 UTC, 31/07/26 from ADRM
VA ADVISORY
DTG: 20260731/1320Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/869
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 LAST REPORTED AT 31/1248Z MOV
NE
EST VA DTG: 31/1300Z
EST VA CLD: SFC/FL150 S0808 E11252 – S0804 E11251 – S0752
E11309 – S0802 E11315 – S0812 E11312 MOV E 05KT
FCST VA CLD +6 HR: 31/1900Z SFC/FL150 S0804 E11252 – S0752
E11309 – S0802 E11315 – S0812 E11312 – S0809 E11253
FCST VA CLD +12 HR: 01/0100Z SFC/FL150 S0809 E11253 – S0803
E11252 – S0754 E11258 – S0758 E11312 – S0814 E11308
FCST VA CLD +18 HR: 01/0700Z SFC/FL150 S0808 E11252 – S0755
E11252 – S0751 E11301 – S0757 E11315 – S0815 E11309
RMK: VA NOT IDENTIFIABLE ON SATELLITE. AREA OBSC BY MET CLD.
DISCRETE VA EMISSIONS ARE ONGOING. VA HEIGHT AND FCST BASED
ON SATELLITE IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260731/1920Z=