FVXX20 KWBC 230958
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC23/1000Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/638

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. 
 
ERUPTION DETAILS: ASH EMISSIONS.
                         
OBS ASH DATE/TIME: 23/0915Z.

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/240 MOVING TO WEST 10-15 KNOTS.            
               
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: WEATHER CLOUDS HAVE CLEARED ENOUGH TO SEE A
CONTINUOUS HOT SPOT AT THE VOLCANO HOWEVER THERE IS NO
STRONG ASH PLUME DETECTION. THE LAST GEOPHYSICAL INSTITUTE
REPORT STATED THAT STEAM AND ASH EMISSIONS WERE NEARLY
CONSTANT. THE LAST OBSERVATION NEAR 23/0400Z ESTIMATED THE
ASH OVER THE VOLCANO TO FL220. AN INTERMEDIATE UPDATE WILL
BE ISSUED WHEN VISIBLE IMAGERY IS AVAILABLE.  

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC23/1300Z.

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