Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 .
The full report is as follows:
FVXX22 at 15:27 UTC, 29/07/26 from KNES
VA ADVISORY
DTG: 20260729/1524Z
VAAC: WASHINGTON
VOLCANO: REVENTADOR 352010
PSN: S0004 W07739
AREA: ECUADOR
SOURCE ELEV: 11686 FT AMSL
ADVISORY NR: 2026/755
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: FQNT VA EMS
OBS VA DTG: 29/1500Z
OBS VA CLD: SFC/FL170 N0000 W07836 – S0003 W07740
– S0006 W07740 – S0005 W07837 – N0000 W07836 MOV
W 30KT
FCST VA CLD +6HR: 29/2100Z SFC/FL170 N0004 W07838
– S0002 W07739 – S0007 W07739 – S0004 W07840 –
N0004 W07838
FCST VA CLD +12HR: 30/0300Z SFC/FL170 N0000
W07836 – S0003 W07739 – S0007 W07738 – S0005
W07836 – N0000 W07836
FCST VA CLD +18HR: 30/0900Z SFC/FL170 N0000
W07835 – S0003 W07739 – S0007 W07739 – S0005
W07836 – N0000 W07835
RMK: FQNT VA EMS OBS IN STLT IMG UP TO APPRX 57NM
FM SUMMIT. VA EMS SEEN IN WEBCAM. NWP MDL
GUIDANCE FCSTS GEN W TO WNW MOVMT THRU T+18. HGT
BASED ON MOVMT AND NWP MDLS. …MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260729/2130Z