FVXX23 KNES 030505 VA ADVISORY DTG: 20210603/0505Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/417 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: POSS LGT EMS. OBS VA DTG: 03/0430Z OBS VA CLD: SFC/FL140 N0001 W07747 - S0004 W07740 - S0005 W07740 - S0002 W07750 - N0001 W07747 MOV NW 5KT FCST VA CLD +6HR: 03/1030Z SFC/FL140 N0001 W07747 - S0004 W07739 - S0005 W07739 - S0002 W07750 - N0001 W07747 FCST VA CLD +12HR: 03/1630Z NO VA EXP FCST VA CLD +18HR: 03/2230Z NO VA EXP RMK: POSS LGT VA CLDS OBS IN STLT NEAR SUMMIT. ERUPTION OBS IN WEBCAM. FL AND FCST MVMT BASED ON NWP MODEL GDNC. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210603/1100Z