FVXX21 KNES 090112 VA ADVISORY DTG: 20210809/0112Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/620 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. VOLCAT. ERUPTION DETAILS: VA CLDS OBS IN STLT IMAGERY OBS VA DTG: 09/0050Z OBS VA CLD: SFC/FL150 N0001 W07759 - S0002 W07740 - S0007 W07740 - S0007 W07759 - N0001 W07759 MOV W 10KT FCST VA CLD +6HR: 09/0700Z SFC/FL150 N0003 W07801 - S0002 W07739 - S0007 W07740 - S0007 W07802 - N0003 W07801 FCST VA CLD +12HR: 09/1300Z SFC/FL150 N0003 W07801 - S0003 W07738 - S0007 W07738 - S0007 W07801 - N0003 W07801 FCST VA CLD +18HR: 09/1900Z NO VA EXP RMK: VA CLDS CONT OBS IN STLT AND SUMMIT WEBCAM MOVG W FM SUMMIT. VA HGT/DIR FM PREV VAA, STLT, AND NWP MDLS SHOWS CONT W-LY MOVMT THRU T+12. ...SAMBUCCI NXT ADVISORY: WILL BE ISSUED BY 20210809/0715Z