Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows:
FVXX21 at 01:56 UTC, 27/01/26 from KNES
VA ADVISORY
DTG: 20260127/0154Z
VAAC: WASHINGTON
VOLCANO: POPOCATEPETL 341090
PSN: N1901 W09837
AREA: MEXICO
SOURCE ELEV: 17693 FT AMSL
ADVISORY NR: 2026/038
INFO SOURCE: GOES-19. NWP MODELS.
ERUPTION DETAILS: LGT VA EMS OBS
OBS VA DTG: 27/0136Z
OBS VA CLD: SFC/FL210 N1913 W09818 – N1904 W09809
– N1902 W09813 – N1910 W09820 – N1913 W09818 MOV
NE 25KT
FCST VA CLD +6HR: 27/0730Z SFC/FL210 N1927 W09749
– N1907 W09742 – N1859 W09837 – N1901 W09838 –
N1927 W09749
FCST VA CLD +12HR: 27/1330Z NO VA EXP
FCST VA CLD +18HR: 27/1930Z NO VA EXP
RMK: LGT VA CLD OBS IN STLT IMG AT APPRX 20NM FM
SUMMIT. NWP MDL GUIDANCE FCSTS GEN ENE MOVMT THRU
T+6. HGT BASED ON MOVMT AND NWP MDLS. …MONAGHAN
NXT ADVISORY: WILL BE ISSUED BY 20260127/0800Z