FVXX22 KNES 212330 VA ADVISORY DTG: 20200821/2330Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2020/701 INFO SOURCE: GOES-EAST. VONA. NWP MODELS. GEOPHYSICAL INST. ERUPTION DETAILS: VONA RPTS VA EM TO FL150 21/2243Z OBS VA DTG: 22/2310Z OBS VA CLD: SFC/FL150 S0001 W07755 - S0004 W07739 - S0004 W07739 - S0007 W07755 - S0001 W07755 MOV W 15-20KT FCST VA CLD +6HR: 23/0500Z NO VA EXP FCST VA CLD +12HR: 23/1100Z NO VA EXP FCST VA CLD +18HR: 23/1700Z NO VA EXP RMK: VONA RPT INDICATES VA EM TO FL150 AT 2243Z MOVG W WHICH AGREES WITH NWP MDL WINDS. VA NOT OBS IN SAT IMAGERY DUE TO DENSE WX CLD OBSCN. OBS VA AREA ESTD FM NWP MDLS AND VONA WITH LOWER CONFIDENCE. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20200822/0530Z