FVXX20 KNES 021921 VA ADVISORY DTG: 20220802/1921Z VAAC: WASHINGTON VOLCANO: REVENTADOR 352010 PSN: S0004 W07739 AREA: ECUADOR SUMMIT ELEV: 11686 FT (3562 M) ADVISORY NR: 2022/639 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 02/1840Z OBS VA CLD: SFC/FL150 N0003 W07748 - S0004 W07739 - S0005 W07740 - S0004 W07751 - N0003 W07748 MOV NW 5KT FCST VA CLD +6HR: 03/0030Z SFC/FL150 N0006 W07751 - S0004 W07739 - S0005 W07740 - S0002 W07755 - N0006 W07751 FCST VA CLD +12HR: 03/0630Z NO VA EXP FCST VA CLD +18HR: 03/1230Z NO VA EXP RMK: POSS EMS OF VA SEEN IN STLT IMAGERY MOV NW. MODEL GUIDANCE SUGGESTS NW MVMT THRU T+6. FL AND MVMT BASED STLT AND NWP MODELS. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20220803/0115Z