FVXX20 KNES 250919 VA ADVISORY DTG: 20210325/0919Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/209 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS CONT OBS IN SUMMIT WEBCAM OBS VA DTG: 25/0850Z OBS VA CLD: SFC/FL150 N0008 W07749 - S0004 W07738 - S0007 W07740 - S0000 W07756 - N0008 W07749 MOV NW 5KT FCST VA CLD +6HR: 25/1500Z SFC/FL150 N0016 W07743 - S0005 W07738 - S0007 W07741 - N0008 W07755 - N0016 W07743 FCST VA CLD +12HR: 25/2100Z NO VA EXP FCST VA CLD +18HR: 26/0300Z NO VA EXP RMK: VA CLDS OBS IN SUMMIT WEBCAM. LOW CONF IN VAG DUE TO WX CLDS OVER REGION. VA HGT/DIR FM STLT/NWP MDLS SHOWS A NW-LY TO NNW-LY MOVMT TREND THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210325/1515Z