FVXX21 KNES 082109 VA ADVISORY DTG: 20210808/2109Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/619 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: OCNL VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 08/2050Z OBS VA CLD: SFC/FL150 N0000 W07755 - S0002 W07740 - S0007 W07740 - S0009 W07755 - N0000 W07755 MOV W 10KT FCST VA CLD +6HR: 09/0300Z SFC/FL150 N0001 W07801 - S0002 W07739 - S0007 W07740 - S0010 W07800 - N0001 W07801 FCST VA CLD +12HR: 09/0900Z NO VA EXP FCST VA CLD +18HR: 09/1500Z NO VA EXP RMK: OCNL VA CLDS OBS IN STLT AND SUMMIT WEBCAM MOVG W FM SUMMIT. LOW CONF WITH VA EXT DUE TO WX CLDS. VA HGT/DIR FM STLT AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+6. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210809/0315Z