FVXX20 KWBC 311254
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC31/1300Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/672

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GEOPHYSICAL INSTITUTE.                   
 
ERUPTION DETAILS: CONTINUOUS GAS AND ASH EMISSIONS.

OBS ASH DATE/TIME: 31/1215Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/200 MOVING TO WEST 10 KNOTS. FL200/250 MOVING TO
NORTHWEST 10-15 KNOTS. 

FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: MULTILAYERED CLOUDS COVER THE AREA OF THE VOLCANO
AND ASH CAN NOT BE DETECTED IN CURRENT SATELLITE IMAGERY.
THE GEOPHYSICAL INSTITUTE REPORTS A CONSTANT EMISSION FROM
THE VOLCANO OF GASES AND ASH. THE HEIGHT IS ESTIMATED BELOW
FL220.    

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC31/1900Z.

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