FVXX20 KWBC 041410
VOLCANIC ASH ADVISORY
ISSUED:  2004APR04/1410Z  VAAC: WASHINGTON

VOLCANO: COLIMA 1401-04
LOCATION: N1931W10337   AREA: MEXICO
                              
SUMMIT ELEVATION: 12631 FT (3850 M)
                                   
ADVISORY NUMBER: 2004/38

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. UPPER AIR SOUNDING.

ERUPTION DETAILS: PUFF AROUND 04/1125Z       

OBS ASH DATE/TIME: 04/1345Z    

OBS ASH CLOUD: SFC/FL160 N2023W10307 - N2013W10255 -
N1959W10248 - N2005W10313 - N2013W10320 -
N2023W10307 MOVING NE 20-25 KNOTS

FCST ASH CLOUD+6H: NOT AVBL

FCST ASH CLOUD+12H: NOT AVBL

FCST ASH CLOUD+18H: NOT AVBL

REMARKS: A SUSPICIOUS CLOUD WAS OBSERVED IN VISIBLE IMAGERY
JUST SE OF GUADALAJARA. TRACING BACK IN
MULTISPECTRAL IR IMAGERY TO COLIMA VOLCANO WHICH DID SHOW
INDICATIONS OF AN EXHALATION OF SOME TYPE.
SATELLITE IMAGERY SUGGESTS THAT THERE WAS ASH CONTENT BUT
THAT IT WAS VERY LIGHT. HAVE NOT BEEN ABLE TO
CONFIRM BY MEXICAN OBSERVERS...AS PHONE LINES ARE
BUSY...WILL UPDATE EARLY IF NEW INFORMATION BECOMES
AVAILABLE OR IS SIGNIFICANTLY DIFFERENT ...GALLINA

NEXT ADVISORY: WILL BE ISSUED BY 2004APR04/2015Z

NNNN 
"Attached Graphic Map Depicting Ash Only" 

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