FVXX23 KNES 281230 VA ADVISORY DTG: 20211228/1230Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1185 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS RPTD OBS VA DTG: 28/1210Z OBS VA CLD: SFC/FL150 N0005 W07742 - S0005 W07738 - S0006 W07740 - N0001 W07747 - N0005 W07742 MOV NW 10KT FCST VA CLD +6HR: 28/1800Z SFC/FL150 N0013 W07746 - S0005 W07737 - S0006 W07740 - N0006 W07756 - N0013 W07746 FCST VA CLD +12HR: 29/0000Z NO VA EXP FCST VA CLD +18HR: 29/0600Z NO VA EXP RMK: VA EMS RPTD IN RECENT VONA. RPTD DIR MATCHES NWP MDLS. VA NOT OBS IN SAT DATA DUE TO WX CLDS OVER SUMMIT. VA EXPECTED TO CONT NW MOVMT THRU T+6. ...TUGGLE NXT ADVISORY: WILL BE ISSUED BY 20211228/1830Z