FVXX21 KNES 090423 VA ADVISORY DTG: 20210509/0423Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/359 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 09/0400Z OBS VA CLD: SFC/FL150 N0013 W07755 - S0003 W07738 - S0005 W07740 - N0005 W07800 - N0013 W07755 MOV NW 10KT FCST VA CLD +6HR: 09/1000Z NO VA EXP FCST VA CLD +12HR: 09/1600Z NO VA EXP FCST VA CLD +18HR: 09/2200Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO WX CLD OBSCN. VA EMS PSBL BASED ON RECENT ACT. OBS VA AREA BASED ON PREV VAA AND NWP MDLS WITH LOWER CONFIDENCE. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210509/1030Z