Santiaguito Volcano Volcanic Ash Advisory: OCNL VA EM

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

FVXX21 at 11:42 UTC, 13/05/26 from KNES
VA ADVISORY
DTG: 20260513/1138Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SOURCE ELEV: 12287 FT AMSL

ADVISORY NR: 2026/233

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

ERUPTION DETAILS: OCNL VA EM

EST VA DTG: 13/1100Z

EST VA CLD: SFC/FL160 N1451 W09148 – N1446 W09132
– N1444 W09132 – N1440 W09148 – N1451 W09148 MOV
W 5KT

FCST VA CLD +6HR: 13/1700Z SFC/FL160 N1446 W09132
– N1445 W09132 – N1427 W09147 – N1442 W09157 –
N1446 W09132

FCST VA CLD +12HR: 13/2300Z SFC/FL160 N1446
W09133 – N1445 W09132 – N1425 W09146 – N1440
W09159 – N1446 W09133

FCST VA CLD +18HR: 14/0500Z NO VA EXP

RMK: VA EM FM SUMMIT SEEN IN WEBCAM. VA NOT SEEN
IN STLT IMG DUE TO MET CLD CVR. LGT WNDS EXP WITH
MOVNT TO WSW THRU T+12 HRS. FL BSD ON PAST
ACTIVITY. FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20260513/1745Z

Puracé Volcano Volcanic Ash Advisory: VONA RPRT RCVD

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

FVXX24 at 05:28 UTC, 13/05/26 from KNES
VA ADVISORY
DTG: 20260513/0526Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2026/066

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

ERUPTION DETAILS: VONA RPRT RCVD

EST VA DTG: 13/0450Z

EST VA CLD: SFC/FL170 N0222 W07633 – N0220 W07623
– N0218 W07623 – N0216 W07633 – N0222 W07633 MOV
W 10KT

FCST VA CLD +6HR: 13/1100Z SFC/FL170 N0228 W07634
– N0220 W07623 – N0218 W07623 – N0218 W07637 –
N0228 W07634

FCST VA CLD +12HR: 13/1700Z SFC/FL170 N0229
W07631 – N0220 W07623 – N0218 W07623 – N0222
W07637 – N0229 W07631

FCST VA CLD +18HR: 13/2300Z SFC/FL170 N0228
W07633 – N0219 W07623 – N0218 W07623 – N0218
W07636 – N0228 W07633

RMK: RCNT VONA RPRT RCVD INDICATING VA EMS MOVG
W/WNW. VA NOT OBS IN STLT IMAGERY DUE TO WX CLDS.
VA FL BASED ON SIGMET. VA FCST THRU T+18 HRS
BASED ON NWP MDL GUIDANCE. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260513/1130Z

Mayon Volcano Volcanic Ash Advisory: ERUPTION AT 20260513/0322Z FL120 EXTD SE REPORTED OBS VA DTG: 13/0320Z

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

FVFE01 at 03:45 UTC, 13/05/26 from RJTD
VA ADVISORY
DTG: 20260513/0345Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/601
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260513/0322Z FL120 EXTD SE REPORTED
OBS VA DTG: 13/0320Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL120 350/8KT
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=

Semeru Volcano Volcanic Ash Advisory: DISCRETE VA EMISSION OBS AT 12/2230Z, MOV NW 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 and is moving at 10 kts in NW direction.
The full report is as follows:

FVAU02 at 22:46 UTC, 12/05/26 from ADRM
VA ADVISORY
DTG: 20260512/2250Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2026/541
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: DISCRETE VA EMISSION OBS AT 12/2230Z, MOV
NW
OBS VA DTG: 12/2230Z
OBS VA CLD: SFC/FL150 S0808 E11258 – S0813 E11219 – S0754
E11213 – S0743 E11227 – S0804 E11259 MOV NW 10KT
FCST VA CLD +6 HR: 13/0430Z SFC/FL150 S0808 E11257 – S0813
E11219 – S0754 E11213 – S0744 E11225 – S0804 E11258
FCST VA CLD +12 HR: 13/1030Z SFC/FL150 S0809 E11258 – S0813
E11219 – S0753 E11213 – S0743 E11226 – S0804 E11259
FCST VA CLD +18 HR: 13/1630Z SFC/FL150 S0808 E11258 – S0813
E11219 – S0812 E11219 – S0753 E11212 – S0743 E11226 – S0804
E11259
RMK: DISCRETE VA EMISSIONS IDENTIFIABLE ON CURRENT SATELLITE
IMAGERY THROUGH PARTIAL COVER OF MET CLOUD. GROUND REPORTS
INDICATE ONGOING VA EMISSIONS. VA HEIGHT AND MOVEMENT BASED
ON SAT IMAGERY, GND REP AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260513/0450Z=

Ibu Volcano Volcanic Ash Advisory: VA EMISSION REP FM GND AT 12/1242Z EST VA DTG: 12/1700Z

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

FVAU01 at 17:29 UTC, 12/05/26 from ADRM
VA ADVISORY
DTG: 20260512/1730Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/536
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA EMISSION REP FM GND AT 12/1242Z
EST VA DTG: 12/1700Z
EST VA CLD: SFC/FL070 N0127 E12739 – N0132 E12712 – N0149
E12723 – N0130 E12741 MOV NW 10KT
FCST VA CLD +6 HR: 12/2300Z SFC/FL070 N0127 E12739 – N0131
E12712 – N0148 E12723 – N0130 E12741
FCST VA CLD +12 HR: 13/0500Z SFC/FL070 N0130 E12741 – N0127
E12740 – N0123 E12712 – N0144 E12717
FCST VA CLD +18 HR: 13/1100Z SFC/FL070 N0131 E12740 – N0127
E12741 – N0120 E12713 – N0140 E12713
RMK: VA NOT IDENTIFIABLE ON CURRENT SATELLITE IMAGERY DUE TO
MET CLOUD COVER. GROUND REPORTS INDICATE ONGOING
INTERMITTENT ERUPTIONS. HEIGHT AND MOVEMENT BASED ON
HIMAWARI-9 DATA, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260512/2330Z=