FVXX20 KWBC 200454                      
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP20/0500Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/262

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

ERUPTION DETAILS: EMISSION AT 19/1004Z
                                            
OBS ASH DATE/TIME: 20/0315Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/200 MOVING NW 5-10 KNOTS. FL200/260 MOVING E 5-
10 KNOTS. 

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: ASH IS NOT VISIBLE IN SATELLITE IMAGERY THROUGH
20/0315Z.   WEATHER CLOUDS IN THE VICINITY OF THE VOLCANO
ARE MAKING ASH DETECTION DIFFICULT.  THE GEOPHYSICAL
INSTITUTE OBSERVED ASH OVER THE VOLCANO AT 20/0259Z.

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP20/1100Z.
 
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