FVXX21 KNES 301553 VA ADVISORY DTG: 20211130/1553Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/1091 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 30/1530Z OBS VA CLD: SFC/FL150 S0003 W07740 - S0005 W07739 - S0019 W07753 - S0012 W07758 - S0003 W07740 MOV SW 10KT FCST VA CLD +6HR: 30/2130Z SFC/FL150 S0003 W07740 - S0005 W07738 - S0018 W07754 - S0011 W07759 - S0003 W07740 FCST VA CLD +12HR: 01/0330Z SFC/FL150 S0003 W07740 - S0005 W07738 - S0019 W07755 - S0011 W07759 - S0003 W07740 FCST VA CLD +18HR: 01/0930Z NO VA EXP RMK: VA NOT OBS IN SAT IMAGERY DUE TO MET CLD OBSCN. CONT EMS OF VA, GAS, AND STEAM OBS IN WEBCAM OVER PAST FEW HRS. OBS VA MVMT ESTD FM NWP MDLS. LTLCG FCST IN FL WINDS THRU T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20211130/2200Z