Explosive activity continues. The Volcanic Ash Advisory Center (VAAC) Washington warned of a volcanic ash plume rising to an estimated 14000 ft (4300 m), or flight level 140.Original VAAC bulletin:FVXX21 at 03:55 UTC, 14/08/26 from KNESVA ADVISORYDTG: 20260814/0354ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/479INFO SOURCE: GOES-19. NWP MODELS. ERUPTION DETAILS: VA EMS OBSOBS VA DTG: 14/0310ZOBS VA CLD: SFC/FL140 N1447 W09132 - N1443 W09133- N1442 W09146 - N1446 W09146 - N1447 W09132 MOVSW 15KT FCST VA CLD +6HR: 14/0900Z SFC/FL140 N1448 W09132- N1444 W09132 - N1439 W09205 - N1445 W09206 -N1448 W09132 FCST VA CLD +12HR: 14/1500Z SFC/FL140 N1447W09134 - N1443 W09132 - N1432 W09202 - N1438W09204 - N1447 W09134 FCST VA CLD +18HR: 14/2100Z NO VA EXPRMK: VA EMS OBS IN STLT IMG UP TO APPRX 13NM FMSUMMIT. NWP MDL GUIDANCE FCSTS GEN WSW TO SWMOVMT THRU T+12. HGT BASED ON MOVMT AND NWP MDLS....MONAGHANNXT ADVISORY: WILL BE ISSUED BY 20260814/1000Z