FVXX21 KNES 281209 VA ADVISORY DTG: 20210828/1209Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/703 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 28/1150Z OBS VA CLD: SFC/FL140 N0002 W07758 - S0003 W07739 - S0004 W07739 - S0003 W07758 - N0002 W07758 MOV W 10KT FCST VA CLD +6HR: 28/1800Z SFC/FL140 N0003 W07758 - S0003 W07739 - S0005 W07739 - S0003 W07758 - N0003 W07758 FCST VA CLD +12HR: 29/0000Z NO VA EXP FCST VA CLD +18HR: 29/0600Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. VA AND STEAM EMS OBS IN WEBCAM AND RPTD BY VONA. OBS VA AREA ESTD FM NWP MDLS. OBS VA FL BASED ON VONA. LTLCG FCST IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210828/1815Z