Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows:
FVXX20 at 05:46 UTC, 23/11/25 from KNES
VA ADVISORY
DTG: 20251123/0543Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0005 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2025/1178
INFO SOURCE: GOES-19. VONA. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 23/0510Z
OBS VA CLD: SFC/FL160 N0006 W07757 – S0004 W07738
– S0006 W07739 – S0002 W07801 – N0006 W07757 MOV
NW 10KT
FCST VA CLD +6HR: 23/1100Z SFC/FL160 N0008 W07801
– S0004 W07738 – S0006 W07739 – S0001 W07804 –
N0008 W07801
FCST VA CLD +12HR: 23/1700Z SFC/FL160 N0005
W07802 – S0004 W07739 – S0006 W07739 – S0005
W07804 – N0005 W07802
FCST VA CLD +18HR: 23/2300Z SFC/FL160 N0011
W07759 – S0004 W07739 – S0006 W07740 – N0000
W07804 – N0011 W07759
RMK: VONA RCVD FOR VA EM MOVNG WNW FM SUMMIT AND
CONFRMD BY STLT IMG. EXP CONT WNW MOVNT THRU T+18
HRS. FL AND FCST BSD ON NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20251123/1145Z