FVXX20 KNES 120523 VA ADVISORY DTG: 20210712/0523Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0005 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2021/540 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL EM OBS VA DTG: 12/0450Z OBS VA CLD: SFC/FL140 N0001 W07756 - S0003 W07740 - S0007 W07740 - S0003 W07757 - N0001 W07756 MOV W 10KT FCST VA CLD +6HR: 12/1100Z NO VA EXP FCST VA CLD +12HR: 12/1700Z NO VA EXP FCST VA CLD +18HR: 12/2300Z NO VA EXP RMK: VA NOT OBS IN STLT OVR LAST 6 HRS WITH SCATTERED WX CLD. OBS VA BASED ON PREV T+6 FCST AND NWP MODELS WITH FAIR CONFIDENCE. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20210712/1130Z