FVXX21 KNES 232113 VA ADVISORY DTG: 20210823/2113Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/681 INFO SOURCE: GOES-16. VONA. NWP MODELS. ERUPTION DETAILS: OCL VA EMS OBS VA DTG: 23/2050Z OBS VA CLD: SFC/FL150 S0001 W07811 - S0004 W07740 - S0005 W07739 - S0009 W07811 - S0001 W07811 MOV W 15KT FCST VA CLD +6HR: 24/0300Z SFC/FL150 N0001 W07815 - S0003 W07739 - S0005 W07739 - S0011 W07815 - N0001 W07815 FCST VA CLD +12HR: 24/0900Z SFC/FL150 N0002 W07820 - S0003 W07739 - S0005 W07739 - S0011 W07819 - N0002 W07820 FCST VA CLD +18HR: 24/1500Z NO VA EXP RMK: OCL VA EMS OBS IN SAT DATA MOVG W FM SUMMIT. VA EM RPTD IN 23/2048Z VONA. VONA AND OBS ASH MOVMT AGREE. NWP MDLS FCST LTLCG THRU T+12. ...TUGGLE NXT ADVISORY: WILL BE ISSUED BY 20210824/0315Z