FVXX23 KNES 180108 VA ADVISORY DTG: 20240918/0108Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/428 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS REMAIN PSBL OBS VA DTG: 18/0040Z OBS VA CLD: SFC/FL150 N1452 W09147 - N1447 W09133 - N1445 W09132 - N1443 W09147 - N1452 W09147 MOV W 10KT FCST VA CLD +6HR: 18/0630Z SFC/FL150 N1503 W09153 - N1446 W09132 - N1445 W09132 - N1447 W09201 - N1503 W09153 FCST VA CLD +12HR: 18/1230Z NO VA EXP FCST VA CLD +18HR: 18/1830Z NO VA EXP RMK: VA EMS REMAIN PSBL W/WNW OF SUMMIT BUT WX CLDS CRNTLY OBSC STLT IMAGERY. VA FCST THRU T+6 HRS BASED ON NWP MDL GUIDANCE. ...COVERDALE NXT ADVISORY: WILL BE ISSUED BY 20240918/0715Z