FVXX21 KNES 040153 VA ADVISORY DTG: 20210804/0153Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/598 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS OBS VA DTG: 04/0130Z OBS VA CLD: SFC/FL145 N0010 W07753 - S0002 W07739 - S0004 W07740 - N0002 W07758 - N0010 W07753 MOV NW 10KT FCST VA CLD +6HR: 04/0730Z NO VA EXP FCST VA CLD +12HR: 04/1330Z NO VA EXP FCST VA CLD +18HR: 04/1930Z NO VA EXP RMK: VA NOT OBS IN SAT OR WEBCAM DUE TO WX CLD OBSCN. CONTG VA EMS PSBL BASED ON RECENT ACT. OBS VA AREA ESTD FM NWP MDLS AND PREV VAA. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210804/0800Z