FVXX20 KWBC 250255
VOLCANIC ASH ADVISORY 
ISSUED: 2003APR25/0255Z VAAC: WASHINGTON

VOLCANO: POPOCATEPETL 1401-09
LOCATION: N1901W09837    AREA: MEXICO
                              
SUMMIT ELEVATION: 17930 FT (5465 M) 

ADVISORY NUMBER: 2003/070          
 
INFORMATION SOURCE: MEXICO CITY MWO SIGMET. GEOSTATIONARY MULTI-
SPECTRAL IMAGERY.  GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: ASH EMISSION ABOUT 25/0145Z
 
OBS ASH DATE/TIME: 25/0232Z
 
OBS ASH CLOUD: SFC/FL280 N1910W09812 N1910W09820 N1901W09818
N1900W09808 N1910W09812 MOVING E 30-40 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: AT ABOUT 0145Z SATELLITE IMAGERY SHOWED AN EXTREMELY
BRIGHT HOTSPOT.  SUBSEQUENT IMAGERY SHOWED A PUFF OF ASH/STEAM
MOVING RAPIDLY EASTWARD.  SINCE THIS AREA OF ASH/STEAM IS SO
CLEARLY DEFINED IN TEMPERATURE DEPENDANT IMAGERY THE PLUME IS
BELIEVED TO BE HIGH IN STEAM CONTENT.  THE BRIGHT HOTSPOT
ACTIVITY IS CONTINUING NEAR THE SUMMIT.

NEXT ADVISORY: WILL BE ISSUED BY 2003APR25/0900Z

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"Attached Graphic Map Depicting Ash Only" 

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