Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX21 at 21:56 UTC, 28/07/26 from KNESVA ADVISORYDTG: 20260728/2154ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/425INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: VA EMS PSBLEST VA DTG: 28/2130ZEST VA CLD: SFC/FL140 N1446 W09133 - N1444 W09132- N1442 W09137 - N1446 W09138 - N1446 W09133 MOVSW 5KT FCST VA CLD +6HR: 29/0330Z SFC/FL140 N1447 W09147- N1446 W09133 - N1443 W09131 - N1442 W09147 -N1447 W09147 FCST VA CLD +12HR: 29/0930Z SFC/FL140 N1452W09142 - N1446 W09132 - N1444 W09133 - N1447W09144 - N1452 W09142 FCST VA CLD +18HR: 29/1530Z NO VA EXPRMK: VA EMS NOT OBS IN STLT IMG OR WEBCAM DUE TOHVY MET CLD CVR. VA EMS PSBLY CONTNG BASED ONPREV ACTIVITY. NWP MDL GUIDANCE FCSTS GEN W TO NWMOVMT THRU T+12. ...MONAGHANNXT ADVISORY: WILL BE ISSUED BY 20260729/0400Z