FVXX21 KNES 172228 VA ADVISORY DTG: 20210817/2228Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/654 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBS VA DTG: 17/2210Z OBS VA CLD: SFC/FL150 N0007 W07800 - S0000 W07739 - S0008 W07739 - S0010 W07759 - N0007 W07800 MOV W 10KT FCST VA CLD +6HR: 18/0400Z SFC/FL150 N0010 W07810 - S0001 W07739 - S0008 W07738 - S0010 W07810 - N0010 W07810 FCST VA CLD +12HR: 18/1000Z SFC/FL150 N0014 W07811 - S0000 W07739 - S0009 W07738 - S0010 W07812 - N0014 W07811 FCST VA CLD +18HR: 18/1600Z NO VA EXP RMK: OCNL VA EMS OBS FM STLT DATA AND 2207Z VONA MOVG W FM SUMMIT. WINDS FCST TO RMN MOVG GENLY W THRU T+12. FL AND WINDS FM NWP AND VONA ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210818/0430Z