FVXX23 KNES 251853 VA ADVISORY DTG: 20241225/1853Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/648 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA OBS IN WEBCAM OBS VA DTG: 25/1820Z OBS VA CLD: SFC/FL140 N1457 W09135 - N1445 W09132 - N1444 W09134 - N1452 W09144 - N1457 W09135 MOV NW 10KT FCST VA CLD +6HR: 26/0030Z SFC/FL140 N1501 W09144 - N1445 W09132 - N1444 W09133 - N1452 W09153 - N1501 W09144 FCST VA CLD +12HR: 26/0630Z NO VA EXP FCST VA CLD +18HR: 26/1230Z NO VA EXP RMK: OCNL VA EMS OBS IN WEBCAM. STLT IMAGERY OBSCD BY WX CLDS. VA FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20241226/0100Z