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