FVXX23 KNES 200252 VA ADVISORY DTG: 20231220/0252Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2023/277 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS PSBLY CONTG. OBS VA DTG: 20/0220Z OBS VA CLD: SFC/FL140 N1453 W09150 - N1446 W09132 - N1444 W09132 - N1446 W09152 - N1453 W09150 MOV W 15KT FCST VA CLD +6HR: 20/0830Z SFC/FL140 N1501 W09155 - N1446 W09132 - N1444 W09132 - N1446 W09159 - N1501 W09155 FCST VA CLD +12HR: 20/1430Z NO VA EXP FCST VA CLD +18HR: 20/2030Z NO VA EXP RMK: VA CLD PSBLY OBSD MOVG W FM SUMMIT TO 10-15 NMI FM SUMMIT. FL ESTD FM NWP MDLS WHICH FCST LTLCG IN WINDS THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20231220/0845Z