FVXX21 KNES 210624 VA ADVISORY DTG: 20210921/0624Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/803 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: PSBL CONTG VA EMS. OBS VA DTG: 21/0600Z OBS VA CLD: SFC/FL170 N0008 W07812 - S0003 W07739 - S0004 W07740 - S0001 W07815 - N0008 W07812 MOV NW 15KT FCST VA CLD +6HR: 21/1200Z SFC/FL170 N0014 W07830 - S0003 W07739 - S0005 W07739 - S0000 W07834 - N0014 W07830 FCST VA CLD +12HR: 21/1800Z SFC/FL170 N0025 W07826 - S0002 W07738 - S0005 W07739 - N0009 W07831 - N0025 W07826 FCST VA CLD +18HR: 22/0000Z NO VA EXP RMK: VA NOT OBS IN SAT OR WEBCAM WITH MET CLD OBSCN. VA EMS WERE ONGOING JUST PRIOR TO OBSCN. OBS VA AREA ESTD FM PREV VAA, NWP MDLS, AND EXTENT OF MET CLDS. LTLCG FCST IN FL WIND THRU T+12 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210921/1230Z