FVXX20 KWBC 121400 
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP12/1355Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/235

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

ERUPTION DETAILS: EMISSION AT 11/0055Z
                                            
OBS ASH DATE/TIME: NIL 

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. 
WINDS FL100/250 MOVING W TO SW 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: THE LATEST OBSERVATION OF ASH BY THE GEOPHYSICAL
INSTITUTE WAS AT 12/1253Z OVER THE SUMMIT BUT WITH NO
ESTIMATED HEIGHT. IN IMAGERY AT 12/1315Z THERE IS NO ASH
DETECTED HOWEVER A WHITE MOUNTAIN WAVE CLOUD CAN BE SEEN
EXTENDING SOUTHWEST FROM THE SUMMIT JUST ABOVE A BLANKET OF
REGIONAL CLOUD COVER. IF ASH IS DETECTED IN IMAGERY AN
UPDATE WILL BE ISSUED PRIOR TO THE NEXT ADVISORY TIME.

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP12/2000Z.
 
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