FVXX20 KWBC 231304
VOLCANIC ASH ADVISORY
ISSUED: 2004JAN23/1300Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2004/081

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

ERUPTION DETAILS: ASH AND GAS EMISSIONS

OBS ASH DATE/TIME: 23/1215Z

OBS ASH CLOUD: SFC/FL160 6 NM WIDE LINE BETWEEN S0128W07826
- S0137W07829.  ASH IS MOVING SW AT 5-10 KNOTS.  FL160/FL220
6 NM WIDE LINE BETWEEN S0128W07826 - S0120W07837 ASH IS
MOVING TO NW 5-15 KNOTS. 
               
FCST ASH CLOUD+6H:  NOT AVBL            
FCST ASH CLOUD+12H: NOT AVBL   
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: SATELLITE IMAGERY SHOWS TWO DISTINCTIVE ASH PLUMES
THE HIGHER ONE MOVING TO THE NORTHEAST AND A LOWER ONE
MOVING TO THE SOUTHWEST.  MODEL WINDS CONTINUE TO SUGGEST
THAT ANY ASH BELOW FL220 WOULD MOVE TO THE WEST-SOUTHWEST.
SATELLITE IMAGERY THROUGH 1215Z CLEARLY SHOWS ASH MOVING TO
THE NORTHWEST.  AN AIRCRAFT REPORT INDICATED THAT ASH WAS
OBSERVED AT 1220Z BETWEEN FL165/200 AND MOVING WEST.

NEXT ADVISORY: WILL BE ISSUED BY 2004JAN23/1900Z.

NNNN"Attached Graphic Map Depicting Ash Only" 

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