FVXX20 KWBC 250721
VOLCANIC ASH ADVISORY 
ISSUED: 2003APR25/0720Z VAAC: WASHINGTON

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

ADVISORY NUMBER: 2003/071          
 
INFORMATION SOURCE: GOES-12 IMAGERY   GFS MODEL WINDS FORECAST. 

ERUPTION DETAILS: ASH EMISSION ABOUT 25/0145Z
 
OBS ASH DATE/TIME: 25/0645z
 
OBS ASH CLOUD: SFC/FL280 N1905W09538 N1903W09605 N1856W09605
N1855W09537 N1905W09538 MOVING E 35-40 KNOTS.

FCST ASH CLOUD +6H: SEE SIGMETS
 
REMARKS: MULTISPECTRAL SATELLITE IMAGERY SHOWS THAT THE ASH IS
MOVING ACROSS THE COASTLINE AND OVER THE GULF OF MEXICO AT 0645Z. 
IT IS A SLIGHTLY FAINTER BUT LARGER AREA OF ASH THAN 6 HOURS AGO.
A PERSISTENT BRIGHT HOTSPOT CAN BE SEEN OVER THE SUMMIT.          
                          
NEXT ADVISORY: WILL BE ISSUED BY 2003APR25/1330Z

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"Attached Graphic Map Depicting Ash Only" 

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