FVXX25 KNES 311530 VA ADVISORY DTG: 20240531/1530Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/343 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: DSCT VA EMS OBSD OBS VA DTG: 31/1500Z OBS VA CLD: SFC/FL150 N1445 W09145 - N1442 W09143 - N1439 W09149 - N1445 W09152 - N1445 W09145 MOV SW 10KT FCST VA CLD +6HR: 31/2100Z SFC/FL150 N1446 W09133 - N1446 W09132 - N1429 W09146 - N1437 W09155 - N1446 W09133 FCST VA CLD +12HR: 01/0300Z NO VA EXP FCST VA CLD +18HR: 01/0900Z NO VA EXP RMK: VA CLD OBSD ON STLT IMG MOVG APPRX 20 NM WSW FM SUMMIT. WSW MVMT EXPT TO SHIFT SW BY T+6 HRS. MVMT AND HGT BASED ON STLT OBS AND NWP MDLS. ...BERTALAN NXT ADVISORY: WILL BE ISSUED BY 20240531/2130Z