FVXX23 KWBC 301853                                       
VOLCANIC ASH ADVISORY
ISSUED: 2003APR30/1900Z   VAAC: WASHINGTON

VOLCANO: COLIMA 1401-04
LOCATION: N1931W10337   AREA: MEXICO
                              
SUMMIT ELEVATION: 13451 FT (4100 M) 
 
ADVISORY NUMBER: 2003/001
 
INFORMATION SOURCE: MEXICO CITY MWO SIGMET. UNIVERSIDAD DE
COLIMA. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. COLIMA
CAMERA. 
 
ERUPTION DETAILS: TWO SMALL ASH PUFFS AT 1700Z AND 1807Z.
 
OBS ASH DATE/TIME: 30/1825Z
 
OBS ASH CLOUD: SFC/FL180 N1920W10307 N1924W10304 N1926W10307
N1923W10311 N1920W10307 MOVING E 20 KNOTS. SFC/FL180 2 NM
WIDE LINE OF ASH EXTENDING BETWEEN N1931W10337 N1930W10326.
ASH IS MOVING E 20 KNOTS
                                                  
FCST ASH CLOUD+6H: SEE SIGMETS.
                                   
REMARKS: GOES-12 SATELLITE IMAGERY SHOWED A VERY SMALL PUFF
OF ASH AND STEAM COMING FROM COLIMA ERUPTED AT 1700Z. THIS
ASH PUFF WAS APPROXIMATELY 4 NM BY 4 NM AND ABOUT 27 NM FROM
THE SUMMIT AT THE 1825Z IMAGE. AT 1807 COLIMA CAMERA SHOWED A
SECOND PUFF OF ASH WITH SIMILAR CHARACTERISTICS. COLIMA
UNIVERSITY AND MEXICO CITY MWO CONFIRMED THE ERUPTIONS AND
THAT THERE WAS ASH PRESENT IN BOTH...THOUGH THE AMOUNT OF ASH
EXPELLED WAS RELATIVELY SMALL...GALLINA 

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY01/0100Z.
               
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"Attached Graphic Map Depicting Ash Only" 

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