FVXX21 KNES 310513 VA ADVISORY DTG: 20210731/0513Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2021/683 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: FRQ VA EMS OBS IN SAT. OBS VA DTG: 31/0450Z OBS VA CLD: SFC/FL160 N1435 W09115 - N1430 W09052 - N1428 W09052 - N1426 W09115 - N1435 W09115 MOV W 20KT FCST VA CLD +6HR: 31/1100Z SFC/FL160 N1439 W09123 - N1430 W09052 - N1428 W09053 - N1429 W09125 - N1439 W09123 FCST VA CLD +12HR: 31/1700Z NO VA EXP FCST VA CLD +18HR: 31/2300Z NO VA EXP RMK: FRQ VA EMS OBS IN SAT MOV W TO 25 NM FM SUMMIT. OBS VA FL BASED ON NWP MDLS. LTLCG EXP IN FL WINDS THRU T+6 HRS. ...CLARK NXT ADVISORY: WILL BE ISSUED BY 20210731/1115Z