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