FVXX20 KNES 081512 VA ADVISORY DTG: 20210408/1512Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/250 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS OBS FM STLT OBS VA DTG: 08/1440Z OBS VA CLD: SFC/FL150 N0023 W07809 - S0002 W07739 - S0007 W07739 - N0019 W07812 - N0023 W07809 MOV NW 15KT FCST VA CLD +6HR: 08/2030Z SFC/FL150 N0035 W07813 - S0002 W07739 - S0007 W07740 - N0024 W07820 - N0035 W07813 FCST VA CLD +12HR: 09/0230Z NO VA EXP FCST VA CLD +18HR: 09/0830Z NO VA EXP RMK: OCNL VA EMS OBS FM STLT MOVG NW TO ABT 35NM FM SUMMIT. NWP FCSTS WINDS TO SHFT SLGTLY MORE TO THE NNW THRU T+6. FL FM NWP AND 1158Z VONA ...MLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210408/2115Z