Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 .
The full report is as follows:
FVXX23 at 15:12 UTC, 20/04/26 from KNES
VA ADVISORY
DTG: 20260420/1510Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/379
INFO SOURCE: GOES-19. VONA. WEBCAM. NWP MODELS.
ERUPTION DETAILS: RCNT VONA RPRT
OBS VA DTG: 20/1450Z
OBS VA CLD: SFC/FL180 N0002 W07732 – S0002 W07729
– S0005 W07739 – S0004 W07740 – N0002 W07732 MOV
NE 10KT
FCST VA CLD +6HR: 20/2100Z SFC/FL180 S0002 W07725
– S0010 W07726 – S0005 W07740 – S0004 W07740 –
S0002 W07725
FCST VA CLD +12HR: 21/0300Z SFC/FL180 S0003
W07725 – S0011 W07725 – S0005 W07740 – S0004
W07740 – S0003 W07725
FCST VA CLD +18HR: 21/0900Z SFC/FL180 S0003
W07724 – S0011 W07725 – S0005 W07740 – S0004
W07740 – S0003 W07724
RMK: NEW VONA RPRT RCVD INDICATING VA TO FL180
MOVG NE. VA EMS OBS IN WEBCAM BUT STLT IMAGERY IS
OBSCD BY WX CLDS. VA FCST THRU T+18 HRS BASED ON
NWP MDLS. …COVERDALE
NXT ADVISORY: WILL BE ISSUED BY 20260420/2115Z