Reventador Volcano Volcanic Ash Advisory: VONA RPT OF VA EM.

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

FVXX22 at 13:42 UTC, 01/08/26 from KNES
VA ADVISORY
DTG: 20260801/1339Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/768

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

ERUPTION DETAILS: VONA RPT OF VA EM.

EST VA DTG: 01/1320Z

EST VA CLD: SFC/FL140 N0006 W07755 – S0004 W07739
– S0004 W07740 – S0000 W07758 – N0006 W07755 MOV
NW 15KT

FCST VA CLD +6HR: 01/1930Z SFC/FL140 N0007 W07756
– S0004 W07739 – S0005 W07740 – S0000 W07759 –
N0007 W07756

FCST VA CLD +12HR: 02/0130Z SFC/FL140 N0008
W07756 – S0004 W07739 – S0004 W07739 – S0000
W07759 – N0008 W07756

FCST VA CLD +18HR: 02/0730Z NO VA EXP

RMK: VONA RCVD FOR VA EM TO FL140. OBS VA AREA
ESTD FM NWP MDLS. LTLCG FCST IN FL MVMT THRU
T+12 HRS. …CLARK

NXT ADVISORY: WILL BE ISSUED BY 20260801/1945Z

Telica Volcano Volcanic Ash Advisory: ONGOING VA EMS

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

FVXX24 at 09:00 UTC, 01/08/26 from KNES
VA ADVISORY
DTG: 20260801/0858Z

VAAC: WASHINGTON

VOLCANO: TELICA 344040
PSN: N1236 W08650

AREA: NICARAGUA

SOURCE ELEV: 3399 FT AMSL

ADVISORY NR: 2026/030

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: ONGOING VA EMS

EST VA DTG: 01/0820Z

EST VA CLD: SFC/FL070 N1240 W08659 – N1236 W08650
– N1236 W08650 – N1236 W08659 – N1240 W08659 MOV
W 20KT

FCST VA CLD +6HR: 01/1430Z SFC/FL070 N1240 W08659
– N1237 W08650 – N1236 W08650 – N1235 W08659 –
N1240 W08659

FCST VA CLD +12HR: 01/2030Z NO VA EXP

FCST VA CLD +18HR: 02/0230Z NO VA EXP

RMK: VA NOT DETECTED ON STLT. LGT VA EMS LIKELY
CONTINUE GIVEN RECENT ACTVTY. NO CHG FCST TO MDL
WINDS AT FL NXT 6 HR. …KONON

NXT ADVISORY: WILL BE ISSUED BY 20260801/1500Z

Sheveluch Volcano Volcanic Ash Advisory: RESIDUAL VA CONTINUOUSLY OBSERVED ON SATELLITE IMAGERY AND PATIALLY OBSCURED BY MET CLOUD

Satellite image of Sheveluch volcano on 1 Aug 2026

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

FVAK22 at 03:20 UTC, 01/08/26 from PAWU
VAAAK2
VA ADVISORY

DTG: 20260801/0258Z

VAAC: ANCHORAGE

VOLCANO: SHEVELUCH 300270

PSN: N5639 E16122

AREA: KAMCHATKA PENINSULA

SOURCE ELEV: 10771 FT AMSL

ADVISORY NR: 2026/247

INFO SOURCE: HIMAWARI/GOES

ERUPTION DETAILS: RESIDUAL VA CONTINUOUSLY OBSERVED ON SATELLITE IMAGERY
AND PATIALLY OBSCURED BY MET CLOUD

OBS VA DTG: 01/0258Z

OBS VA CLD: FL100/FL340 N4941 W16417 – N4750 W16033 – N4834
W15601 – N4607 W15515 – N4555 W16028 – N4918 W16529 – N4941
W16417 MOV ESE 70KT
FL100/FL280 N5723 E17430 – N5448 W17024 – N5313 W17142 – N5601
E17204 – N5723 E17430 MOV SE 50KT

FCST VA CLD +6HR: 01/0858Z FL100/FL340 N5128 W15359 – N5049
W15155 – N4754 W14452 – N4528 W15159 – N4717 W15405 – N5128 W15359
FL100/FL280 N5747 W17909 – N5320 W16823 – N4940 W15957 – N4739
W15924 – N5205 W17259 – N5651 E17826 – N5747 W17909 – N5747 W17909

FCST VA CLD +12HR: 01/1458Z FL100/FL340 N5004 W14905 – N4501
W13559 – N4502 W14708 – N5004 W14905
FL100/FL280 NO VA EXP

FCST VA CLD +18HR: 01/2058Z NO VA EXP

RMK: THE RESPONSIBILITY FOR VA PLUME FL100/FL340 IS BEING TRANSFERRED
TO VAAC WASHINGTON. THE NEXT ADVISORY WILL BE ISSUED BY
VAAC WASHINGTON BY 0900 UTC UNDER HEADER FVXX25 KNES….PD

NXT ADVISORY: WILL BE ISSUED FOR VA PLUME FL100/FL280 BY 20260801/0900Z=

Semeru Volcano Volcanic Ash Advisory: VA TO FL150 OBS AT 01/0100Z MOV NE EST VA DTG: 01/0100Z to 15000 ft (4600 m)

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 .
The full report is as follows:

FVAU02 at 01:25 UTC, 01/08/26 from ADRM
VA ADVISORY
DTG: 20260801/0120Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/871
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL150 OBS AT 01/0100Z MOV NE
EST VA DTG: 01/0100Z
EST VA CLD: SFC/FL150 S0804 E11252 – S0752 E11303 – S0801
E11313 – S0812 E11310 – S0809 E11252 MOV NE 10KT
FCST VA CLD +6 HR: 01/0700Z SFC/FL150 S0809 E11252 – S0803
E11251 – S0751 E11301 – S0756 E11313 – S0811 E11310
FCST VA CLD +12 HR: 01/1300Z SFC/FL150 S0809 E11252 – S0802
E11251 – S0751 E11306 – S0800 E11314 – S0814 E11310
FCST VA CLD +18 HR: 01/1900Z SFC/FL150 S0804 E11251 – S0753
E11305 – S0801 E11315 – S0813 E11310 – S0810 E11252
RMK: VA IDENTIFIABLE ON SATELLITE IMAGERY MOVING NE, BUT
AREA PARTAILLY OBSCURED BY MET CLOUD. DISCRETE VA EMISSIONS
ARE ONGOING. VA HEIGHT AND FCST BASED ON SATELLITE IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260801/0720Z=

Sheveluch Volcano Volcanic Ash Advisory: RESIDUAL VA CONTINUOUSLY OBSERVED IN SATELLITE IMAGERY.

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=