FVXX24 KNES 040625 VA ADVISORY DTG: 20231204/0625Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2023/227 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 04/0550Z OBS VA CLD: SFC/FL150 N1451 W09139 - N1445 W09131 - N1444 W09133 - N1450 W09159 - N1451 W09139 MOV W 20KT FCST VA CLD +6HR: 04/1200Z SFC/FL150 N1503 W09216 - N1445 W09131 - N1443 W09132 - N1448 W09219 - N1503 W09216 FCST VA CLD +12HR: 04/1800Z NO VA EXP FCST VA CLD +18HR: 05/0000Z NO VA EXP RMK: LGT VA EMS OBSD TO 25 NMI WNW OF SUMMIT WITH MDT VA EM OBSD ARND 0530Z NOW 7 NMI WNW OF SUMMIT. FL ESTD FM NWP MDLS WITH FCST VA TO BACK SLGTLY THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20231204/1230Z