FVXX21 KNES 180738 VA ADVISORY DTG: 20210918/0738Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/791 INFO SOURCE: GOES-16. VONA. WEBCAM. NWP MODELS. ERUPTION DETAILS: CONTG VA EMS. OBS VA DTG: 18/0710Z OBS VA CLD: SFC/FL150 N0022 W07820 - S0002 W07738 - S0004 W07739 - N0014 W07825 - N0022 W07820 MOV NW 10KT FCST VA CLD +6HR: 18/1300Z SFC/FL150 N0019 W07822 - S0002 W07739 - S0004 W07739 - N0011 W07826 - N0019 W07822 FCST VA CLD +12HR: 18/1900Z SFC/FL150 N0022 W07821 - S0002 W07739 - S0004 W07740 - N0012 W07825 - N0022 W07821 FCST VA CLD +18HR: 19/0100Z NO VA EXP RMK: VA NOT OBS IN SAT DUE TO MET CLD OBSCN. FRQ VA EMS OBS IN WEBCAM AND RPTD BY VONAS SINCE PREV ADVISORY. OBS VA AREA ESTD FM PREV VAA AND NWP MDLS. LTLCG FCST IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210918/1345Z