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Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 15000 ft (4600 m), or flight level 150.

Original VAAC bulletin:

FVXX22 at 16:47 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/1637Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/823

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

ERUPTION DETAILS: ONGOING VA EMS

OBS VA DTG: 14/1610Z

OBS VA CLD: SFC/FL150 N0003 W07758 - S0004 W07740
- S0005 W07739 - S0005 W07758 - N0003 W07758 MOV
W 20KT 

FCST VA CLD +6HR: 14/2200Z SFC/FL150 N0005 W07807
- S0004 W07739 - S0005 W07739 - S0005 W07807 -
N0005 W07807 

FCST VA CLD +12HR: 15/0400Z SFC/FL150 N0005
W07807 - S0004 W07740 - S0005 W07739 - S0005
W07807 - N0005 W07807 

FCST VA CLD +18HR: 15/1000Z SFC/FL150 N0005
W07807 - S0004 W07740 - S0005 W07740 - S0005
W07807 - N0005 W07807 

RMK: VA NOT DETECTED ON STLT DUE TO WX CLDS IN
SUMMIT AREA. VA EMS LIKELY CONTINUE GIVEN RECENT
ACTVTY. NO CHG FCST TO MDL WINDS AT FL NXT 18 HR.
...KONON

NXT ADVISORY: WILL BE ISSUED BY 20260814/2230Z

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.

Original VAAC bulletin:

FVXX21 at 12:23 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/1221Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/481

INFO SOURCE: GOES-19. NWP MODELS. 

ERUPTION DETAILS: LGT VA EM

OBS VA DTG: 14/1200Z

OBS VA CLD: SFC/FL140 N1447 W09149 - N1446 W09132
- N1444 W09133 - N1443 W09149 - N1447 W09149 MOV
W 15KT 

FCST VA CLD +6HR: 14/1800Z SFC/FL140 N1448 W09151
- N1446 W09132 - N1444 W09132 - N1437 W09148 -
N1448 W09151 

FCST VA CLD +12HR: 15/0000Z NO VA EXP

FCST VA CLD +18HR: 15/0600Z NO VA EXP

RMK: LGT VA EM OBSD IN SAT AND VA CLD EXTD APRX
15 NM W FM SUMMIT. NWP MDL FCST SLIGHTLY BACKING 
THRU T+6HRS. ...ZENG

NXT ADVISORY: WILL BE ISSUED BY 20260814/1815Z

Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 17000 ft (5200 m), or flight level 170, and moving at 25 kts in SW direction.

Original VAAC bulletin:

FVXX23 at 08:12 UTC, 14/08/26 from KNES
VA ADVISORY
DTG: 20260814/0809Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/395

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

ERUPTION DETAILS: VA EMS OBS

OBS VA DTG: 14/0740Z

OBS VA CLD: SFC/FL170 N0222 W07646 - N0220 W07624
- N0217 W07624 - N0216 W07646 - N0206 W07727 -
N0211 W07729 - N0222 W07646 MOV SW 25KT 

FCST VA CLD +6HR: 14/1330Z SFC/FL170 N0222 W07628
- N0217 W07623 - N0204 W07736 - N0220 W07737 -
N0222 W07628 

FCST VA CLD +12HR: 14/1930Z SFC/FL170 N0221
W07623 - N0216 W07623 - N0202 W07735 - N0215
W07736 - N0221 W07623 

FCST VA CLD +18HR: 15/0130Z SFC/FL170 N0222
W07623 - N0216 W07623 - N0208 W07737 - N0220
W07737 - N0222 W07623 

RMK: VA EMS OBS IN STLT IMG UP TO APPRX 65NM FM
SUMMIT. VONA RPRTS ONGOING VA EMS. NWP MDL
GUIDANCE FCSTS GEN WSW MOVMT THRU T+18.
...MONAGHAN

NXT ADVISORY: WILL BE ISSUED BY 20260814/1415Z

Satellite image of Sakurajima volcano on 14 Aug 2026

A new eruption was reported at Sakurajima at 03:53 UTC on 14 August 2026, but no volcanic ash cloud was identifiable in satellite data as of 04:10 UTC. Forecasts for ash cloud movement are not available.

Original VAAC bulletin:

FVFE01 at 04:22 UTC, 14/08/26 from RJTD
VA ADVISORY
DTG: 20260814/0422Z
VAAC: TOKYO
VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080
PSN: N3136 E13039
AREA: JAPAN
SOURCE ELEV: 1117M AMSL
ADVISORY NR: 2026/154
INFO SOURCE: JMA HIMAWARI-9
ERUPTION DETAILS: ERUPTED AT 20260814/0353Z FL090 STNR
OBS VA DTG: 14/0410Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL090 190/3KT
FCST VA CLD +6 HR: NOT AVBL
FCST VA CLD +12 HR: NOT AVBL
FCST VA CLD +18 HR: NOT AVBL
RMK: VA OF PREVIOUS VAA HAS DISSIPATED IN SATELLITE IMAGERY. NEW 
ERUPTION REPORTED. WE WILL ISSUE FURTHER ADVISORY IF VA IS DETECTED 
IN SATELLITE IMAGERY.
NXT ADVISORY: NO FURTHER ADVISORIES=

The Volcanic Ash Advisory Center (VAAC) Darwin issued the following bulletin.

Original VAAC bulletin:

FVAU05 at 23:40 UTC, 13/08/26 from ADRM
VA ADVISORY
DTG: 20260813/2341Z
VAAC: DARWIN
VOLCANO: AMBAE 257030
PSN: S1523 E16750
AREA: VANUATU
SOURCE ELEV: 1496M AMSL
ADVISORY NR: 2026/75
INFO SOURCE: VAAC WELLINGTON
ERUPTION DETAILS: UNKNOWN
OBS VA DTG: 13/2341Z
OBS VA CLD: 
FCST VA CLD +6 HR: 14/0541Z NOT PROVIDED
FCST VA CLD +12 HR: 14/1141Z NOT PROVIDED
FCST VA CLD +18 HR: 14/1741Z NOT PROVIDED
RMK: PLEASE SEE FVPS01 NZKL 132331 ISSUED BY VAAC WELLINGTON
 WHICH DESCRIBES CONDITIONS OVER OR NEAR THE VAAC DARWIN AREA
 OF RESPONSIBILITY.
NXT ADVISORY: NO LATER THAN 20260814/0541Z=