FVXX21 KNES 010358 VA ADVISORY DTG: 20211201/0358Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1093 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA CLD EMS. OBS VA DTG: 01/0320Z OBS VA CLD: SFC/FL160 S0004 W07740 - S0005 W07738 - S0013 W07746 - S0010 W07750 - S0004 W07740 MOV SW 10KT FCST VA CLD +6HR: 01/0930Z SFC/FL160 S0004 W07740 - S0006 W07738 - S0016 W07801 - S0009 W07803 - S0004 W07740 FCST VA CLD +12HR: 01/1530Z SFC/FL160 S0003 W07804 - S0004 W07739 - S0005 W07738 - S0013 W07802 - S0003 W07804 FCST VA CLD +18HR: 01/2130Z SFC/FL160 S0004 W07739 - S0006 W07738 - S0020 W07759 - S0010 W07805 - S0004 W07739 RMK: VA CLD PSBLY OBSD THRU BINOVC SW OF THE SUMMIT. ACT ON WEBCAM AND NWP MDL FCSTS AGREE WITH SW MOVMT. NWP MDLS FCST W TO SW MOVMT THRU T+18. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20211201/1000Z