FVXX21 KNES 040408 VA ADVISORY DTG: 20211004/0408Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/853 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: CONTG FRQ VA EMS. OBS VA DTG: 04/0350Z OBS VA CLD: SFC/FL160 S0000 W07803 - S0003 W07739 - S0005 W07739 - S0007 W07803 - S0000 W07803 MOV W 10KT FCST VA CLD +6HR: 04/1000Z SFC/FL160 N0001 W07814 - S0003 W07739 - S0004 W07740 - S0008 W07814 - N0001 W07814 FCST VA CLD +12HR: 04/1600Z SFC/FL160 N0001 W07814 - S0002 W07740 - S0005 W07739 - S0008 W07814 - N0001 W07814 FCST VA CLD +18HR: 04/2200Z NO VA EXP RMK: FRQ VA EMS OBS IN SAT MOV W TO 25 NM FM SUMMIT. OBS VA FL ESTD FM NWP MDLS. LTLCG FCST IN FL WIND DIR THRU T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211004/1015Z