FVXX20 KWBC 312022
VOLCANIC ASH ADVISORY
ISSUED: 2004JUL31/2021Z   VAAC: WASHINGTON

VOLCANO: COLIMA 1401-04
LOCATION: N1931W10337   AREA: MEXICO

SUMMIT ELEVATION: 12631 FT (3850 M)

ADVISORY NUMBER: 2004/049

INFORMATION SOURCE: MEXICO CITY MWO. GOES-12
IMAGERY. GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: COLIMA TOWER OBSERVED AN
EXHALATION WITH ASH. 

OBS ASH DATE/TIME: 31/2002Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE
DATA. WINDS SFC/FL240 MOVING TO E 10 KNOTS.

FCST ASH CLOUD +6H: NOT AVBL

FCST ASH CLOUD +12H: NOT AVBL

FCST ASH CLOUD +18H: NOT AVBL

REMARKS: AT ABOUT 1545Z ASH WAS BRIEFLY OBSERVED
SPREADING FROM THE VOLCANO TOWARD THE EAST BEFORE
WEATHER CLOUDS COVERED THE AREA.  THE ASH WAS
ORIGINALLY REPORTED TO BE UP TO FL350 BUT IS NOW
BELIEVED TO HAVE PROBABLY BEEN MUCH LOWER PERHAPS
FL240.  THERE IS LITTLE CURRENT SEISMICITY.  NO
ASH IS CURRENTLY OBSERVED THROUGH THE BREAKS IN
THE CLOUDS SO ANY REMAINING ASH MAY BE
DISSIPATING.  NO VAFTAD HAS BEEN ISSUED.  ...

NEXT ADVISORY: WILL BE ISSUED BY 2004AUG01/0215Z

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