Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 16000 ft (4900 m), or flight level 160.
Original VAAC bulletin:
FVXX21 at 11:55 UTC, 25/09/26 from KNES
VA ADVISORY
DTG: 20260925/1153Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0005 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/992
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
GEOPHYSICAL INST.
ERUPTION DETAILS: CONTG VA EMS.
OBS VA DTG: 25/1130Z
OBS VA CLD: SFC/FL160 N0009 W07755 - S0004 W07739
- S0005 W07739 - N0001 W07759 - N0009 W07755 MOV
NW 10KT
FCST VA CLD +6HR: 25/1730Z SFC/FL160 N0018 W07806
- S0004 W07738 - S0005 W07740 - N0007 W07812 -
N0018 W07806
FCST VA CLD +12HR: 25/2330Z SFC/FL160 N0019
W07806 - S0004 W07739 - S0005 W07740 - N0007
W07813 - N0019 W07806
FCST VA CLD +18HR: 26/0530Z SFC/FL160 N0019
W07807 - S0004 W07739 - S0005 W07739 - N0007
W07813 - N0019 W07807
RMK: VONA RPTS VA EM TO FL160. VA OBS IN SAT AND
WEBCAM MOV NW FM SUMMIT. OBS VA FL BASED ON VONA.
FL MVMT FCST TO PERSIST THRU T+18 HRS. ...CLARK
NXT ADVISORY: WILL BE ISSUED BY 20260925/1800Z