FVXX20 KNES 231721 VA ADVISORY DTG: 20210923/1721Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2021/861 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS INTMT VA CLDS OBS VA DTG: 23/1700Z OBS VA CLD: SFC/FL160 N1428 W09053 - N1427 W09052 - N1413 W09107 - N1423 W09115 - N1428 W09053 MOV SW 10KT FCST VA CLD +6HR: 23/2300Z SFC/FL160 N1428 W09052 - N1428 W09052 - N1413 W09107 - N1423 W09115 - N1428 W09052 FCST VA CLD +12HR: 24/0500Z NO VA EXP FCST VA CLD +18HR: 24/1100Z NO VA EXP RMK: INTMT VA CLDS OBS IN STLT PRIOR TO WX CLDS BLOCKING VIS. SO2 MIXED WITH VA CLDS OBS. NWP MODEL WIND SPD APPEAR LOW BASED ON OBS MVMT. ...JLEVINE NXT ADVISORY: WILL BE ISSUED BY 20210923/2315Z