FVXX20 KNES 011211 VA ADVISORY DTG: 20220801/1211Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2022/633 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCCN VA EMS OBSD OBS VA DTG: 01/1150Z OBS VA CLD: SFC/FL160 N0009 W07750 - S0004 W07739 - S0005 W07740 - N0005 W07753 - N0009 W07750 MOV NW 10KT FCST VA CLD +6HR: 01/1800Z SFC/FL160 N0007 W07754 - S0004 W07738 - S0005 W07740 - N0000 W07756 - N0007 W07754 FCST VA CLD +12HR: 02/0000Z NO VA EXP FCST VA CLD +18HR: 02/0600Z NO VA EXP RMK: OCCN VA EMS OBSD IN SAT AND VA CLDS EXTD APPX 20NM NW OF SUMMIT. MDL DOES NOT AGREE WELL WITH OBS. VA FL BASED ON PREV ADVY. MDL FCST CONFIDNECE IS LOW. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20220801/1815Z