FVXX20 KNES 280542 VA ADVISORY DTG: 20211228/0542Z VAAC: WASHINGTON VOLCANO: FUEGO 342090 PSN: N1428 W09052 AREA: GUATEMALA SUMMIT ELEV: 12346 FT (3763 M) ADVISORY NR: 2021/1248 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 28/0500Z OBS VA CLD: SFC/FL160 N1440 W09054 - N1428 W09052 - N1427 W09053 - N1438 W09059 - N1440 W09054 MOV NW 15KT FCST VA CLD +6HR: 28/1100Z SFC/FL160 N1504 W09058 - N1428 W09052 - N1427 W09052 - N1501 W09110 - N1504 W09058 FCST VA CLD +12HR: 28/1700Z SFC/FL160 N1505 W09056 - N1428 W09052 - N1427 W09053 - N1502 W09108 - N1505 W09056 FCST VA CLD +18HR: 28/2300Z SFC/FL160 N1503 W09104 - N1503 W09049 - N1427 W09052 - N1427 W09053 - N1503 W09104 RMK: DISCRETE VA CLD OBSD TO 10 NMI NNW OF SUMMIT. WEBCAM SHOWS ANOTHER VA EM AT 0524Z IN AGREEMENT WITH PREV OBSD VA CLD MOVMT. NWP MDLS FCST LTLCG IN WINDS THRU T+18. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20211228/1145Z