FVXX21 KNES 211437 VA ADVISORY DTG: 20240821/1437Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2024/402 INFO SOURCE: GOES-16. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 21/1410Z OBS VA CLD: SFC/FL140 N1448 W09207 - N1446 W09132 - N1445 W09132 - N1441 W09206 - N1448 W09207 MOV W 10KT FCST VA CLD +6HR: 21/2000Z SFC/FL140 N1446 W09133 - N1445 W09132 - N1436 W09204 - N1443 W09204 - N1446 W09133 FCST VA CLD +12HR: 22/0200Z NO VA EXP FCST VA CLD +18HR: 22/0800Z NO VA EXP RMK: VA PUFFS DETECTED ON STLT MOVG W OF SUMMIT. MDL WINDS AT FL FCS TO BACK NXT 6 HR BECMG MORE FM THE ENE. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20240821/2030Z