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:
FVXX22 at 01:12 UTC, 31/01/26 from KNES
VA ADVISORY
DTG: 20260131/0110Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/123
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: VA EM DTCTD
OBS VA DTG: 31/0020Z
OBS VA CLD: SFC/FL160 N0002 W07804 – S0004 W07738
– S0006 W07739 – S0005 W07806 – N0002 W07804 MOV
W 10KT
FCST VA CLD +6HR: 31/0630Z SFC/FL160 N0007 W07806
– S0003 W07739 – S0007 W07738 – S0004 W07810 –
N0007 W07806
FCST VA CLD +12HR: 31/1230Z SFC/FL160 N0006
W07807 – S0004 W07738 – S0007 W07740 – S0005
W07810 – N0006 W07807
FCST VA CLD +18HR: 31/1830Z NO VA EXP
RMK: VA EM SEEN IN STLT IMG MOVNG W AT APX 25 NMI
FM SUMMIT. EXP WNW MOVNT THRU T+12 HRS. FL AND
FCST BSD ON NWP MDLS. …LINER
NXT ADVISORY: WILL BE ISSUED BY 20260131/0715Z