FVXX20 KWBC 240637
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC24/0630Z VAAC: WASHINGTON

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/642

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GEOPHYSICAL INSTITUTE.
 
ERUPTION DETAILS: ASH EMISSIONS
                         
OBS ASH DATE/TIME: 24/0545Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS FL100/250 MOVING TO W 10-15 KNOTS.                    
          
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: ASH CAN NOT BE DETECTED IN IMAGERY DUE TO EXTENSIVE
CLOUD COVER OVER THE REGION. THE GEOPHYSICAL INSTITUTE
EVENING REPORT STATED A NEARLY CONSTANT EMISSION OF VAPOR
AND ASH THAT WAS MOVING DOWNWIND FROM THE SUMMIT AND
ESTIMATED BELOW FL220.

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC24/1230Z.

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