FVXX23 KNES 201655 VA ADVISORY DTG: 20231220/1655Z VAAC: WASHINGTON VOLCANO: SANTA MARIA 342030 PSN: N1445 W09133 AREA: GUATEMALA SUMMIT ELEV: 12287 FT (3745 M) ADVISORY NR: 2023/279 INFO SOURCE: GOES-16. ERUPTION DETAILS: NEW VA EMS OBS VA DTG: 20/1630Z OBS VA CLD: SFC/FL140 N1446 W09132 - N1446 W09132 - N1437 W09138 - N1441 W09143 - N1446 W09132 MOV SW 10KT FCST VA CLD +6HR: 20/2230Z SFC/FL150 N1449 W09146 - N1446 W09132 - N1444 W09132 - N1443 W09146 - N1449 W09146 FCST VA CLD +12HR: 21/0430Z NO VA EXP FCST VA CLD +18HR: 21/1030Z NO VA EXP RMK: VA DETECTED ON STLT MOVG SW OF SUMMIT. MDL WINDS AT FL FCST TO VEER NXT 6 HR BECMG MORE FM THE E. ...KONON NXT ADVISORY: WILL BE ISSUED BY 20231220/2300Z