Volcanic Ash Advisory Center Washington (VAAC) issued the following report:FVXX21 at 01:01 UTC, 28/07/26 from KNESVA ADVISORYDTG: 20260728/0058ZVAAC: WASHINGTONVOLCANO: SANTA MARIA 342030PSN: N1445 W09133AREA: GUATEMALASOURCE ELEV: 12287 FT AMSLADVISORY NR: 2026/421INFO SOURCE: GOES-19. WEBCAM. NWP MODELS. ERUPTION DETAILS: ONGOING VA EM EST VA DTG: 28/0030ZEST VA CLD: SFC/FL140 N1447 W09134 - N1445 W09131- N1428 W09140 - N1435 W09149 - N1447 W09134 MOVSW 5KT FCST VA CLD +6HR: 28/0630Z SFC/FL140 N1501 W09144- N1446 W09132 - N1443 W09133 - N1450 W09153 -N1501 W09144 FCST VA CLD +12HR: 28/1230Z SFC/FL140 N1505W09149 - N1445 W09132 - N1443 W09132 - N1452W09159 - N1505 W09149 FCST VA CLD +18HR: 28/1830Z SFC/FL140 N1504W09150 - N1446 W09132 - N1443 W09133 - N1449W09159 - N1504 W09150 RMK: VA EM OBS IN WEBCAM THO VA NOT OBS IN STLTIMG DUE TO MET CLD CVR IN SUMMIT AREA. EXPMOVEMENT SHIFT TO NW THRU T+18 HRS. FL BSD ONPAST ACTIVITY. FCST BSD ON NWP MDLS. ...LINERNXT ADVISORY: WILL BE ISSUED BY 20260728/0700Z