FVXX24 KNES 160953 VA ADVISORY DTG: 20240816/0953Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/391 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: INTMT VA EMS. OBS VA DTG: 16/0930Z OBS VA CLD: SFC/FL150 N1453 W09157 - N1446 W09133 - N1444 W09133 - N1447 W09159 - N1453 W09157 MOV W 15KT FCST VA CLD +6HR: 16/1530Z SFC/FL150 N1458 W09207 - N1446 W09132 - N1444 W09133 - N1445 W09208 - N1458 W09207 FCST VA CLD +12HR: 16/2130Z NO VA EXP FCST VA CLD +18HR: 17/0330Z NO VA EXP RMK: VA EM AT ARND 0845Z PRODUCED A DISCRETE VA CLD OBSD THAT IS NOW ABT 25 NM WNW OF SUMMIT. NWP MDLS SUG VA UP TO FL150 AND FCST LTLCG IN WINDS THRU T+6HRS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20240816/1600Z