FVXX20 KNES 171300 VA ADVISORY DTG: 20210817/1300Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2021/743 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: FRQT VA EMS. OBS VA DTG: 17/1230Z OBS VA CLD: SFC/FL170 N1434 W09135 - N1428 W09053 - N1426 W09053 - N1423 W09137 - N1434 W09135 MOV W 15KT FCST VA CLD +6HR: 17/1830Z SFC/FL170 N1441 W09143 - N1428 W09053 - N1427 W09053 - N1425 W09147 - N1441 W09143 FCST VA CLD +12HR: 18/0030Z SFC/FL170 N1441 W09141 - N1429 W09053 - N1427 W09053 - N1425 W09144 - N1441 W09141 FCST VA CLD +18HR: 18/0630Z SFC/FL170 N1446 W09140 - N1429 W09052 - N1426 W09053 - N1431 W09144 - N1446 W09140 RMK: NUMEROUS VA EMS OBSD BY STLT AND WEBCAM. VA EXTDS 37 NMI W OF SUMMIT. NWP MDLS FCST LTLCG IN WINDS THRU T+18. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20210817/1900Z