FVXX20 KNES 111248 VA ADVISORY DTG: 20210411/1248Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/263 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBS VA DTG: 11/122Z OBS VA CLD: SFC/FL150 N0001 W07758 - S0005 W07739 - S0002 W07759 - N0001 W07758 MOV W 5KT FCST VA CLD +6HR: 11/0730Z SFC/FL150 N0004 W07802 - S0005 W07739 - S0003 W07803 - N0004 W07802 FCST VA CLD +12HR: 11/1330Z NO VA EXP FCST VA CLD +18HR: 11/1930Z NO VA EXP RMK: OCNL VA EMS OBS FM VONA AND WEBCAM. XTNSV CLD COV OBSC VA FM BEING SEEN ON STLT. WINDS FCST TO GENLY CONT MOVG WNW AND BECMG VRY LGT. FL AND WINDS FM NWP ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210411/1845Z