FVXX20 KWBC 310712
VOLCANIC ASH ADVISORY 
ISSUED: 2003OCT31/0730Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/435

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

ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS.

OBS ASH DATE/TIME: 31/0645Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/230 MOVING SE 5 KNOTS.
                                             
FCST ASH CLOUD+6H: SEE SIGMETS

REMARKS: IT IS DIFFICULT TO DETECT ASH IN SATELLITE IMAGERY
DUE TO EXTENSIVE CLOUDS OVER THE VOLCANO.

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT31/1330Z.

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