FVXX23 KNES 081728 VA ADVISORY DTG: 20250108/1728Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2025/028 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS CONTG OBS VA DTG: 08/1700Z OBS VA CLD: SFC/FL140 N1455 W09208 - N1446 W09132 - N1444 W09132 - N1450 W09208 - N1455 W09208 MOV W 10KT FCST VA CLD +6HR: 08/2300Z SFC/FL140 N1450 W09207 - N1446 W09132 - N1444 W09132 - N1444 W09207 - N1450 W09207 FCST VA CLD +12HR: 09/0500Z SFC/FL140 N1505 W09159 - N1446 W09132 - N1444 W09133 - N1458 W09203 - N1505 W09159 FCST VA CLD +18HR: 09/1100Z SFC/FL140 N1505 W09159 - N1446 W09132 - N1444 W09132 - N1458 W09202 - N1505 W09159 RMK: FRQ VA EMS OBSD IN SAT. VA CLDS EXTD APPX 35NMI WNW FM SUMMIT. NWP MDL FCST W-NW WINDS THRU T+18HRS. ...ZENG NXT ADVISORY: WILL BE ISSUED BY 20250108/2330Z