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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=

Satellite image of Lewotobi volcano on 13 Aug 2026

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

Original VAAC bulletin:

FVAU04 at 19:05 UTC, 13/08/26 from ADRM
VA ADVISORY
DTG: 20260813/1910Z
VAAC: DARWIN
VOLCANO: LEWOTOBI 264180
PSN: S0833 E12246
AREA: INDONESIA
SOURCE ELEV: 1703M AMSL
ADVISORY NR: 2026/374
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA LAST REPORTED AT 13/1842Z
EST VA DTG: 13/1850Z
EST VA CLD: SFC/FL090 S0817 E12244 - S0835 E12303 - S0856
 E12252 - S0848 E12222 - S0825 E12222 MOV SW 05KT
FCST VA CLD +6 HR: 14/0050Z SFC/FL090 S0833 E12300 - S0855
 E12252 - S0853 E12223 - S0830 E12219 - S0819 E12242
FCST VA CLD +12 HR: 14/0650Z SFC/FL090 S0832 E12259 - S0848
 E12254 - S0851 E12224 - S0827 E12218 - S0816 E12240
FCST VA CLD +18 HR: 14/1250Z SFC/FL090 S0832 E12259 - S0848
 E12255 - S0851 E12224 - S0827 E12218 - S0816 E12240
RMK: VA NOT IDENTIFIABLE ON SATELLITE DUE TO MET CLD. GROUND
 REPORTS INDICATE ERUPTIONS ARE ONGOING. VA HEIGHT AND
 MOVEMENT BASED ON PAST SATELLITE IMAGERY, GROUND REPORTS AND
 MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260814/0110Z=