Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows:
FVXX20 at 22:39 UTC, 18/11/25 from KNES
VA ADVISORY
DTG: 20251118/2237Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0005 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2025/1160
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 18/2200Z
OBS VA CLD: SFC/FL150 S0003 W07740 – S0006 W07738
– S0044 W07801 – S0034 W07816 – S0003 W07740 MOV
SW 5KT
FCST VA CLD +6HR: 19/0400Z SFC/FL150 S0003 W07740
– S0006 W07738 – S0045 W07814 – S0034 W07828 –
S0003 W07740
FCST VA CLD +12HR: 19/1000Z SFC/FL150 S0004
W07740 – S0006 W07738 – S0044 W07817 – S0029
W07830 – S0004 W07740
FCST VA CLD +18HR: 19/1600Z SFC/FL150 S0003
W07739 – S0007 W07738 – S0026 W07831 – S0008
W07834 – S0003 W07739
RMK: VA EM SEEN IN STLT IMG MOVNG SW AT APX 45
NMI FM SUMMIT. EXP SW TO WSW MOVNT THRU T+18 HRS.
FL BSD ON PAST ACTIVITY. FCST BSD ON NWP MDLS.
…LINER
NXT ADVISORY: WILL BE ISSUED BY 20251119/0430Z