FVXX21 KNES 211455 VA ADVISORY DTG: 20240521/1455Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/320 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: VA EMS CONT OBS VA DTG: 21/1420Z OBS VA CLD: SFC/FL150 N1445 W09135 - N1445 W09132 - N1423 W09211 - N1434 W09219 - N1445 W09135 MOV W 10KT FCST VA CLD +6HR: 21/2030Z SFC/FL150 N1446 W09133 - N1445 W09132 - N1402 W09247 - N1424 W09250 - N1446 W09133 FCST VA CLD +12HR: 22/0230Z SFC/FL150 N1446 W09134 - N1445 W09132 - N1356 W09217 - N1408 W09234 - N1446 W09134 FCST VA CLD +18HR: 22/0830Z NO VA EXP RMK: VA EM SEEN ON STLT IMAGERY MOVG APPROX 45 NMI WSW FM SUMMIT. VA FL AND FRCST BASED ON IMAGERY AND NWP MODELS. A GEN SW MOVT EXPCD. ...KIM NXT ADVISORY: WILL BE ISSUED BY 20240521/2100Z