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

FVXX20 at 01:50 UTC, 28/07/26 from KNES
VA ADVISORY
DTG: 20260728/0147Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/872

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

ERUPTION DETAILS: ONGOING VA EMISSIONS

EST VA DTG: 28/0120Z

EST VA CLD: SFC/FL150 N1429 W09053 – N1427 W09052
– N1419 W09109 – N1428 W09111 – N1429 W09053 MOV
W 5KT

FCST VA CLD +6HR: 28/0730Z SFC/FL150 N1440 W09108
– N1428 W09052 – N1426 W09053 – N1430 W09113 –
N1440 W09108

FCST VA CLD +12HR: 28/1330Z SFC/FL150 N1442
W09108 – N1429 W09052 – N1427 W09053 – N1431
W09114 – N1442 W09108

FCST VA CLD +18HR: 28/1930Z SFC/FL150 N1442
W09110 – N1429 W09052 – N1427 W09053 – N1434
W09114 – N1442 W09110

RMK: VA EM OBS IN WEBCAM THO VA NOT OBS IN STLT
IMG DUE TO MET CLD CVR IN SUMMIT AREA. LGT WINDS
EXP WITH MOVEMENT SHIFT FM WSW TO WNW THRU T+18
HRS. FL BSD ON PAST ACTIVITY. FCST BSD ON NWP
MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20260728/0745Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 9000 ft (2700 m) altitude or flight level 090 .
The full report is as follows:

FVAU04 at 22:17 UTC, 27/07/26 from ADRM
VA ADVISORY
DTG: 20260727/2220Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/305
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL090 OBS AT 27/2200Z MOV NE
OBS VA DTG: 27/2200Z
OBS VA CLD: SFC/FL090 S0836 E12247 – S0834 E12243 – S0820
E12251 – S0820 E12300 – S0827 E12301 MOV NE 10KT
FCST VA CLD +6 HR: 28/0400Z SFC/FL090 S0837 E12245 – S0825
E12231 – S0807 E12243 – S0808 E12304 – S0821 E12315 – S0842
E12313
FCST VA CLD +12 HR: 28/1000Z SFC/FL090 S0836 E12245 – S0810
E12232 – S0806 E12249 – S0808 E12304 – S0821 E12315 – S0837
E12314
FCST VA CLD +18 HR: 28/1600Z SFC/FL090 S0836 E12247 – S0833
E12243 – S0807 E12246 – S0810 E12307 – S0829 E12314
RMK: DISCRETE VA IDENTIFIABLE ON SATELLITE IMAGERY. GROUND
REPORTS INDICATE INTERMITTENT VA ERUPTIONS ARE ONGOING. VA
HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY, GROUND
REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260728/0420Z=

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

FVXX20 at 14:01 UTC, 27/07/26 from KNES
VA ADVISORY
DTG: 20260727/1357Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/870

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

ERUPTION DETAILS: VA EMS OBS IN WEBCAM

EST VA DTG: 27/1320Z

EST VA CLD: SFC/FL150 N1435 W09101 – N1428 W09052
– N1427 W09053 – N1431 W09105 – N1435 W09101 MOV
NW 5KT

FCST VA CLD +6HR: 27/1930Z SFC/FL150 N1433 W09107
– N1428 W09052 – N1427 W09052 – N1426 W09107 –
N1433 W09107

FCST VA CLD +12HR: 28/0130Z SFC/FL150 N1429
W09052 – N1427 W09052 – N1422 W09105 – N1428
W09107 – N1429 W09052

FCST VA CLD +18HR: 28/0730Z SFC/FL150 N1437
W09104 – N1428 W09052 – N1427 W09053 – N1431
W09108 – N1437 W09104

RMK: VA EMS VSBL IN WEBCAM BUT NOT OBSD IN STLT
IMG DUE TO MET CLDS. WNW MVMT EXP TO SHIFT W BY
T+6 HRS, AND WSW BY T+12 HRS. MVMT AND HGT BASED
ON WEBCAM OBS AND NWP MDLS. …BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20260727/2000Z

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

FVFE01 at 13:44 UTC, 27/07/26 from RJTD
VA ADVISORY
DTG: 20260727/1344Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/113
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260727/1328Z FL100 STNR
OBS VA DTG: 27/1330Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL100 040/5KT
FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED IN SATELLITE
IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

Satellite image of Lewotobi volcano on 27 Jul 2026

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

FVAU04 at 10:59 UTC, 27/07/26 from ADRM
VA ADVISORY
DTG: 20260727/1100Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/303
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA LAST REPORTED AT 27/0727Z
EST VA DTG: 27/1040Z
EST VA CLD: SFC/FL090 S0837 E12248 – S0835 E12235 – S0825
E12234 – S0820 E12240 – S0823 E12250 – S0832 E12252 MOV NW
05KT
FCST VA CLD +6 HR: 27/1640Z SFC/FL090 S0836 E12247 – S0833
E12234 – S0825 E12236 – S0821 E12243 – S0823 E12249 – S0832
E12251
FCST VA CLD +12 HR: 27/2240Z SFC/FL090 S0835 E12247 – S0833
E12235 – S0825 E12235 – S0820 E12240 – S0822 E12248 – S0832
E12250
FCST VA CLD +18 HR: 28/0440Z SFC/FL090 S0836 E12246 – S0830
E12236 – S0823 E12238 – S0820 E12247 – S0824 E12253 – S0834
E12250
RMK: VA NOT IDENTIFIABLE ON SATELLITE IMAGERY DUE TO MET
CLOUD. GROUND REPORTS INDICATE INTERMITTENT VA ERUPTIONS ARE
ONGOING. VA HEIGHT AND MOVEMENT BASED ON SATELLITE IMAGERY,
GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260727/1700Z=