FVXX21 KNES 311151 VA ADVISORY DTG: 20211031/1151Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/970 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS OBSD OBS VA DTG: 31/1130Z OBS VA CLD: SFC/FL150 N0008 W07750 - S0003 W07739 - S0005 W07740 - N0003 W07753 - N0008 W07750 MOV NW 5KT FCST VA CLD +6HR: 31/1730Z SFC/FL150 N0010 W07745 - S0004 W07739 - S0005 W07740 - N0006 W07750 - N0010 W07745 FCST VA CLD +12HR: 31/2330Z NO VA EXP FCST VA CLD +18HR: 01/0530Z NO VA EXP RMK: VA EMS OBSD IN WECAM AND SAT MOVG NW OF SUMMIT. NWP MDL FCST NNW BY T+6HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20211031/1745Z