FVXX24 KNES 211716 VA ADVISORY DTG: 20240921/1716Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/434 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: PSBL VA EMS EST VA DTG: 21/1640Z EST VA CLD: SFC/FL140 N1447 W09134 - N1445 W09132 - N1437 W09141 - N1443 W09144 - N1447 W09134 MOV SW 10KT FCST VA CLD +6HR: 21/2230Z SFC/FL140 N1447 W09134 - N1445 W09132 - N1432 W09144 - N1438 W09150 - N1447 W09134 FCST VA CLD +12HR: 22/0430Z NO VA EXP FCST VA CLD +18HR: 22/1030Z NO VA EXP RMK: VA EMS NOT OBSD IN STLT IMG DUE TO MET CLDS, BUT VA EMS MAY BE OBSCD. LTLCG IN FCST EXP THRU T+6 HRS. MVMT AND HGT BASED ON NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20240921/2315Z