FVXX20 KWBC 051045       
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT05/1100Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/325

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST.  GUAYAQUIL MWO SIGMET. 

ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z
                                            
OBS ASH DATE/TIME: 05/1015Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS FL100/230 MOVING SW 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS

REMARKS: THE LATEST OBSERVATION OF ASH OVER THE VOLCANO BY
THE GEOPHYSICAL INSTITUTE WAS AT 1010Z.  CLOUDS OVER THE
VOLCANO MAKE IT DIFFICULT TO DETECT ASH IN SATELLITE
IMAGERY. UPPER AIR MODEL WINDS SUGGEST THAT ANY ASH TO FL230
SHOULD MOVE TOWARDS THE SW AT 10-15 KNOTS.

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT05/1700Z.  
 
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