FVXX21 KNES 081247 VA ADVISORY DTG: 20211208/1247Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1125 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 08/1210Z OBS VA CLD: SFC/FL140 N0010 W07800 - S0004 W07740 - S0006 W07739 - S0001 W07804 - N0010 W07800 MOV NW 5KT FCST VA CLD +6HR: 08/1800Z SFC/FL140 N0008 W07801 - S0004 W07740 - S0005 W07739 - S0002 W07805 - N0008 W07801 FCST VA CLD +12HR: 09/0000Z NO VA EXP FCST VA CLD +18HR: 09/0600Z NO VA EXP RMK: INTERMITTENT VA EM CAN BE SEEN ON WEBCAM, BUT IS NOT OBS ON STLT DUE TO DENSE WX CLDS. VA IS DRAWN BASED ON PREV VAA AND NWP MDL WND. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20211208/1845Z