FVXX21 KNES 050653 VA ADVISORY DTG: 20210805/0653Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/603 INFO SOURCE: GOES-16. NWP MODELS. VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS OBS VA DTG: 05/0620Z OBS VA CLD: SFC/FL160 N0005 W07742 - S0004 W07739 - N0002 W07753 - N0005 W07742 MOV NW 10KT FCST VA CLD +6HR: 05/1230Z SFC/FL160 N0004 W07743 - S0004 W07740 - N0001 W07753 - N0004 W07743 FCST VA CLD +12HR: 05/1830Z NO VA EXP FCST VA CLD +18HR: 06/0030Z NO VA EXP RMK: CONT VA EMS OBS MOV N TO NW IN STLT IMAGERY. VA FCST TO CONT N TO NW IN STLT IMAGERY THRU T+6HRS BEFORE DISP. VO ACT MODERATE. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20210805/1300Z