Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX21 at 13:20 UTC, 28/12/25 from KNESVA ADVISORYDTG: 20251228/1317ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2025/891INFO SOURCE: ERUPTION DETAILS: LGT VA EMS OBSEST VA DTG: 28/1240ZEST VA CLD: SFC/FL130 N1450 W09132 - N1445 W09132- N1444 W09134 - N1449 W09135 - N1450 W09132 MOVNW 5KT FCST VA CLD +6HR: 28/1830Z SFC/FL130 N1501 W09135- N1446 W09131 - N1444 W09134 - N1459 W09140 -N1501 W09135 FCST VA CLD +12HR: 29/0030Z NO VA EXPFCST VA CLD +18HR: 29/0630Z NO VA EXPRMK: VA EMS NOT OBS IN STLT IMG. LGT VA EMS SEENIN WEBCAM. NWP MDL GUIDANCE FCSTS GEN NW MOVMTTHRU T+6. ...MONAGHANNXT ADVISORY: WILL BE ISSUED BY 20251228/1930Z