Volcanic Ash Advisory Center Washington (VAAC) issued the following report:
FVXX25 at 02:55 UTC, 18/05/26 from KNES
VA ADVISORY
DTG: 20260518/0253Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/489
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: ONGOGING VA EMS
EST VA DTG: 18/0220Z
EST VA CLD: SFC/FL140 N0000 W07753 – S0004 W07739
– S0004 W07739 – S0004 W07753 – N0000 W07753 MOV
W 10KT
FCST VA CLD +6HR: 18/0830Z SFC/FL140 N0001 W07753
– S0004 W07739 – S0004 W07740 – S0004 W07754 –
N0001 W07753
FCST VA CLD +12HR: 18/1430Z SFC/FL140 N0000
W07753 – S0004 W07740 – S0005 W07740 – S0004
W07754 – N0000 W07753
FCST VA CLD +18HR: 18/2030Z SFC/FL140 N0000
W07753 – S0004 W07740 – S0004 W07739 – S0004
W07754 – N0000 W07753
RMK: VA NOT DETECTED ON STLT DUE TO THK WX CLDS
IN SUMMIT AREA. WEBCAM SHOWS SUMMIT ACTVTY. NO
CHG FCST TO MDL WINDS AT FL NXT 18 HR. …KONON
NXT ADVISORY: WILL BE ISSUED BY 20260518/0915Z