Kategorie: Climate Change

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 23:05 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/2303Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2025/1267

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EM DETECTED

OBS VA DTG: 12/2230Z

OBS VA CLD: SFC/FL140 S0004 W07740 – S0005 W07738
– S0016 W07749 – S0011 W07754 – S0004 W07740 MOV
SW 5KT

FCST VA CLD +6HR: 13/0430Z SFC/FL140 S0004 W07740
– S0005 W07738 – S0014 W07758 – S0005 W07800 –
S0004 W07740

FCST VA CLD +12HR: 13/1030Z SFC/FL140 S0003
W07803 – S0004 W07739 – S0006 W07738 – S0013
W07802 – S0003 W07803

FCST VA CLD +18HR: 13/1630Z NO VA EXP

RMK: VA EM OBS IN STLT IMG MOVNG WSW FM SUMMIT.
EXP MOVNT SHIFT TO W THRU T+12 HRS. FL BSD ON
PAST ACTIVITY. FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20251213/0500Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows:

FVXX22 at 20:49 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/2046Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SOURCE ELEV: 17342 FT AMSL

ADVISORY NR: 2025/944

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: VA EM DETECTED

OBS VA DTG: 12/2020Z

OBS VA CLD: SFC/FL200 S0158 W07841 – S0159 W07820
– S0202 W07819 – S0209 W07840 – S0158 W07841 MOV
W 10KT

FCST VA CLD +6HR: 13/0230Z SFC/FL200 S0152 W07844
– S0200 W07819 – S0202 W07820 – S0205 W07845 –
S0152 W07844

FCST VA CLD +12HR: 13/0830Z SFC/FL200 S0147
W07843 – S0159 W07820 – S0202 W07819 – S0202
W07847 – S0147 W07843

FCST VA CLD +18HR: 13/1430Z NO VA EXP

RMK: VA EM SIGNATURE OBS IN STLT IMG MOVNG W FM
SUMMIT. EXP MOVNT TO SHIFT TO WNW THRU T+12 HRS.
FL BSD ON PAST ACTIVITY. FCST BSD ON NWP MDLS.
…LINER

NXT ADVISORY: WILL BE ISSUED BY 20251213/0245Z

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 11:28 UTC, 12/12/25 from KNES
VA ADVISORY
DTG: 20251212/1124Z

VAAC: WASHINGTON

VOLCANO: REVENTADOR 352010
PSN: S0004 W07739

AREA: ECUADOR

SOURCE ELEV: 11686 FT AMSL

ADVISORY NR: 2025/1265

INFO SOURCE: GOES-19. NWP MODELS.

ERUPTION DETAILS: CONS VA EMS

OBS VA DTG: 12/1050Z

OBS VA CLD: SFC/FL140 S0000 W07759 – S0004 W07739
– S0006 W07739 – S0007 W07800 – S0000 W07759 MOV
NW 10KT

FCST VA CLD +6HR: 12/1700Z SFC/FL140 N0004 W07758
– S0004 W07739 – S0005 W07739 – S0004 W07801 –
N0004 W07758

FCST VA CLD +12HR: 12/2300Z SFC/FL140 S0004
W07801 – S0004 W07740 – S0005 W07739 – S0011
W07759 – S0004 W07801

FCST VA CLD +18HR: 13/0500Z SFC/FL140 S0004
W07740 – S0005 W07739 – S0011 W07759 – S0004
W07801 – S0004 W07740

RMK: VA EMS OBSD IN STLT IMG EXTG APPRX 20 NM WNW
FM SUMMIT. WNW MVMT EXP TO SHIFT WSW BY T+12 HRS.
MVMT AND HGT BASED ON STLT OBS AND NWP MDLS.
…BERTALAN

NXT ADVISORY: WILL BE ISSUED BY 20251212/1730Z

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

FVXX24 at 22:34 UTC, 11/12/25 from KNES
VA ADVISORY
DTG: 20251211/2231Z

VAAC: WASHINGTON

VOLCANO: PURACE 351060
PSN: N0219 W07624

AREA: COLOMBIA

SOURCE ELEV: 15256 FT AMSL

ADVISORY NR: 2025/075

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

ERUPTION DETAILS: VA EM DTCTD

EST VA DTG: 11/2200Z

EST VA CLD: SFC/FL180 N0223 W07643 – N0220 W07624
– N0218 W07623 – N0214 W07643 – N0223 W07643 MOV
W 10KT

FCST VA CLD +6HR: 12/0400Z SFC/FL180 N0223 W07649
– N0220 W07624 – N0218 W07623 – N0211 W07648 –
N0223 W07649

FCST VA CLD +12HR: 12/1000Z SFC/FL180 N0220
W07623 – N0218 W07623 – N0208 W07647 – N0219
W07649 – N0220 W07623

FCST VA CLD +18HR: 12/1600Z SFC/FL180 N0219
W07624 – N0218 W07623 – N0208 W07647 – N0219
W07649 – N0219 W07624

RMK: VONA RCVD FOR SEISMIC ACT INT LKLY VA EM. VA
NOT OBS IN STLT IMG DUE TO MET CLD CVR IN SUMMIT
AREA. EXP CONT W MOVNT THRU T+18 HRS. FL BSD ON
PAST ACT. FCST BSD ON NWP MDLS. …LINER

NXT ADVISORY: WILL BE ISSUED BY 20251212/0430Z

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 20 kts in SE direction.
The full report is as follows:

FVAU02 at 21:15 UTC, 11/12/25 from ADRM
VA ADVISORY
DTG: 20251211/2020Z
VAAC: DARWIN
VOLCANO: SEMERU 263300
PSN: S0806 E11255
AREA: INDONESIA
SOURCE ELEV: 3657M AMSL
ADVISORY NR: 2025/1414
INFO SOURCE: CVGHM
ERUPTION DETAILS: VA TO FL140 LAST REPORTED AT 11/1748Z
EST VA DTG: 11/1950Z
EST VA CLD: SFC/FL140 S0804 E11255 – S0809 E11310 – S0822
E11308 – S0822 E11256 – S0806 E11252 MOV SE 20KT
FCST VA CLD +6 HR: 12/0150Z SFC/FL140 S0804 E11255 – S0809
E11310 – S0822 E11308 – S0822 E11256 – S0806 E11252
FCST VA CLD +12 HR: 12/0750Z SFC/FL140 S0804 E11254 – S0806
E11310 – S0816 E11310 – S0821 E11302 – S0806 E11252
FCST VA CLD +18 HR: 12/1350Z SFC/FL140 S0804 E11254 – S0806
E11310 – S0816 E11310 – S0821 E11302 – S0806 E11252
RMK: VA NOT IDENTIFIABLE ON SAT IMG DUE TO MET CLOUD COVER.
GROUND REPORTS INDICATE INTERMITTENT DISCRETE EMISSIONS
REMAIN ONGOING. LOW CONFIDENCE IN FORECAST DUE TO LIGHT
WINDS. HEIGHT BASED ON GROUND REPORT AND MOVEMENT BASED ON
MODEL GUIDANCE.
NXT ADVISORY: NO LATER THAN 20251212/0220Z=