FVXX21 KNES 070908 VA ADVISORY DTG: 20211207/0908Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1120 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 07/0850Z OBS VA CLD: SFC/FL150 S0003 W07740 - S0005 W07739 - S0008 W07751 - S0004 W07752 - S0003 W07740 MOV W 10KT FCST VA CLD +6HR: 07/1500Z SFC/FL150 S0002 W07753 - S0003 W07740 - S0005 W07740 - S0006 W07753 - S0002 W07753 FCST VA CLD +12HR: 07/2100Z NO VA EXP FCST VA CLD +18HR: 08/0300Z NO VA EXP RMK: VA NOT CLEARLY SEEN IN SAT DUE TO MET CLDS. NWP MDL FCST LTLCG THRU T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211207/1515Z