Kategorie: Climate Change

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 .
The full report is as follows:

FVXX23 at 15:12 UTC, 20/04/26 from KNES
VA ADVISORY
DTG: 20260420/1510Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2026/379

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

ERUPTION DETAILS: RCNT VONA RPRT

OBS VA DTG: 20/1450Z

OBS VA CLD: SFC/FL180 N0002 W07732 – S0002 W07729
– S0005 W07739 – S0004 W07740 – N0002 W07732 MOV
NE 10KT

FCST VA CLD +6HR: 20/2100Z SFC/FL180 S0002 W07725
– S0010 W07726 – S0005 W07740 – S0004 W07740 –
S0002 W07725

FCST VA CLD +12HR: 21/0300Z SFC/FL180 S0003
W07725 – S0011 W07725 – S0005 W07740 – S0004
W07740 – S0003 W07725

FCST VA CLD +18HR: 21/0900Z SFC/FL180 S0003
W07724 – S0011 W07725 – S0005 W07740 – S0004
W07740 – S0003 W07724

RMK: NEW VONA RPRT RCVD INDICATING VA TO FL180
MOVG NE. VA EMS OBS IN WEBCAM BUT STLT IMAGERY IS
OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED ON
NWP MDLS. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260420/2115Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows:

FVXX21 at 12:22 UTC, 20/04/26 from KNES
VA ADVISORY
DTG: 20260420/1220Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2026/435

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

ERUPTION DETAILS: VA EMS MOVG E

OBS VA DTG: 20/1200Z

OBS VA CLD: SFC/FL210 S0159 W07745 – S0207 W07746
– S0201 W07820 – S0159 W07820 – S0159 W07745 MOV
E 5KT

FCST VA CLD +6HR: 20/1800Z SFC/FL210 S0153 W07744
– S0202 W07743 – S0201 W07820 – S0159 W07820 –
S0153 W07744

FCST VA CLD +12HR: 21/0000Z SFC/FL210 S0155
W07755 – S0204 W07755 – S0201 W07820 – S0159
W07820 – S0155 W07755

FCST VA CLD +18HR: 21/0600Z SFC/FL210 S0200
W07820 – S0201 W07758 – S0210 W07801 – S0201
W07820 – S0200 W07820

RMK: RCNT VA EMS OBS IN STLT IMAGERY MOVG APPRX
35NM E FM SUMMIT. RCNT VONA RPRT RCVD. VA CRNTLY
OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED ON
NWP MDL GUIDANCE. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260420/1815Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows:

FVXX20 at 11:00 UTC, 20/04/26 from KNES
VA ADVISORY
DTG: 20260420/1058Z

VAAC: WASHINGTON

VOLCANO: FUEGO 342090
PSN: N1428 W09052

AREA: GUATEMALA

SOURCE ELEV: 12346 FT AMSL

ADVISORY NR: 2026/462

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

ERUPTION DETAILS: VA MOVG WSW

OBS VA DTG: 20/1030Z

OBS VA CLD: SFC/FL140 N1429 W09052 – N1428 W09052
– N1417 W09105 – N1423 W09108 – N1429 W09052 MOV
SW 10KT

FCST VA CLD +6HR: 20/1630Z SFC/FL140 N1428 W09052
– N1410 W09105 – N1419 W09113 – N1428 W09053 –
N1428 W09052

FCST VA CLD +12HR: 20/2230Z SFC/FL140 N1429
W09052 – N1428 W09052 – N1416 W09107 – N1426
W09110 – N1429 W09052

FCST VA CLD +18HR: 21/0430Z SFC/FL140 N1438
W09106 – N1428 W09052 – N1427 W09052 – N1428
W09109 – N1438 W09106

RMK: VA EMS OBS IN STLT IMAGERY AND WEBCAM MOVG
APPRX 15NM WSW FM SUMMIT. VA FCST THRU T+18 HRS
BASED ON NWP MDL GUIDANCE. …COVERDALE

NXT ADVISORY: WILL BE ISSUED BY 20260420/1700Z

Satellite image of Mayon volcano on 20 Apr 2026

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

FVFE01 at 00:51 UTC, 20/04/26 from RJTD
VA ADVISORY
DTG: 20260420/0051Z
VAAC: TOKYO
VOLCANO: MAYON 273030
PSN: N1315 E12341
AREA: PHILIPPINES
SOURCE ELEV: 2462M AMSL
ADVISORY NR: 2026/512
INFO SOURCE: HIMAWARI-9 PHIVOLCS
ERUPTION DETAILS: ERUPTION AT 20260420/0034Z VA CLD UNKNOWN REPORTED
OBS VA DTG: 20/0030Z
OBS VA CLD: VA NOT IDENTIFIABLE FM SATELLITE DATA WIND FL180 070/4KT
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 Ibu volcano on 20 Apr 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:

FVAU01 at 00:21 UTC, 20/04/26 from ADRM
VA ADVISORY
DTG: 20260420/0000Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/446
INFO SOURCE: HIMAWARI-9 CVGHM
ERUPTION DETAILS: VA TO FL070 OBS ON SAT 19/2340Z MOV S
OBS VA DTG: 19/2340Z
OBS VA CLD: SFC/FL070 N0132 E12735 – N0132 E12741 – N0100
E12753 – N0054 E12743 – N0101 E12730 – N0113 E12726 MOV S
05KT
FCST VA CLD +6 HR: 20/0540Z SFC/FL070 N0132 E12741 – N0107
E12749 – N0104 E12733 – N0115 E12724 – N0132 E12734
FCST VA CLD +12 HR: 20/1140Z SFC/FL070 N0131 E12740 – N0116
E12743 – N0105 E12740 – N0103 E12726 – N0116 E12718 – N0131
E12736
FCST VA CLD +18 HR: 20/1740Z SFC/FL070 N0133 E12736 – N0131
E12742 – N0103 E12741 – N0101 E12726 – N0113 E12717
RMK: CONTINUOUS VA EMISSIONS IDENTIFIABLE ON VISIBLE AND RGB
SAT IMAGERY MOV S AND SE. VA HEIGHT AND MOVEMENT BASED ON
SAT IMAGERY, GROUND REPORTS AND MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20260420/0600Z=