Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17500 ft (5300 m) altitude or flight level 175 .
The full report is as follows:
FVXX20 at 18:37 UTC, 16/11/25 from KNES
VA ADVISORY
DTG: 20251116/1835Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SUMMIT ELEV: 11686 FT [3562 M]
ADVISORY NR: 2025/1151
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM DETECTED
OBS VA DTG: 16/1800Z
OBS VA CLD: SFC/FL175 S0004 W07740 – S0005 W07738
– S0024 W07747 – S0019 W07756 – S0004 W07740 MOV
SW 5KT
FCST VA CLD +6HR: 17/0000Z SFC/FL175 S0004 W07738
– S0021 W07720 – S0026 W07731 – S0005 W07740 –
S0004 W07738
FCST VA CLD +12HR: 17/0600Z SFC/FL175 S0004
W07738 – S0023 W07725 – S0028 W07737 – S0005
W07740 – S0004 W07738
FCST VA CLD +18HR: 17/1200Z SFC/FL175 S0004
W07740 – S0005 W07738 – S0028 W07746 – S0023
W07758 – S0004 W07740
RMK: VA EM SEEN IN STLT IMG MONVG SW AT APX 20
NMI FM SUMMIT. LGT AND VAR WNDS EXP WITH MOVNT TO
SW THRU T+18 HRS. FL BSD ON PST ACT. FCST BSD ON
NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20251117/0030Z