Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13500 ft (4100 m) altitude or flight level 135 .
The full report is as follows:
FVXX24 at 16:00 UTC, 07/01/26 from KNES
VA ADVISORY
DTG: 20260107/1558Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SOURCE ELEV: 12287 FT AMSL
ADVISORY NR: 2026/020
INFO SOURCE: GOES-19. WEBCAM. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 07/1540Z
OBS VA CLD: SFC/FL135 N1447 W09141 – N1446 W09133
– N1444 W09133 – N1444 W09141 – N1447 W09141 MOV
W 20KT
FCST VA CLD +6HR: 07/2130Z SFC/FL135 N1453 W09203
– N1446 W09132 – N1444 W09132 – N1448 W09204 –
N1453 W09203
FCST VA CLD +12HR: 08/0330Z SFC/FL135 N1451
W09204 – N1446 W09132 – N1444 W09132 – N1446
W09205 – N1451 W09204
FCST VA CLD +18HR: 08/0930Z NO VA EXP
RMK: VA EMS OBS IN STLT IMG UP TO APPRX 10NM FM
SUMMIT. VA EMS SEEN IN WEBCAM. NWP MLD GUIDANCE
FCSTS GEN WNW TO W MOVMT THRU T+12. HGT AND SPEED
BASED ON MOVMT AND NWP MDLS. …MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260107/2200Z