FVXX23 KNES 171317 VA ADVISORY DTG: 20240917/1317Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/426 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: OCNL VA EMS OBSD BY STLT. OBS VA DTG: 17/1240Z OBS VA CLD: SFC/FL150 N1453 W09146 - N1446 W09132 - N1445 W09132 - N1447 W09149 - N1453 W09146 MOV W 15KT FCST VA CLD +6HR: 17/1830Z SFC/FL150 N1458 W09204 - N1446 W09132 - N1444 W09132 - N1449 W09207 - N1458 W09204 FCST VA CLD +12HR: 18/0030Z SFC/FL150 N1458 W09205 - N1446 W09133 - N1444 W09132 - N1447 W09207 - N1458 W09205 FCST VA CLD +18HR: 18/0630Z NO VA EXP RMK: VA CLD OBSD 10 NM WNW OF SUMMIT. VA EM OCCURRED ARND OR JUST BFR 1200Z. NWP MDLS EST VA CLD AT FL150 AND FCST LTLCG IN VA CLD MOVMT THRU T+12HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20240917/1915Z