FVXX20 KWBC 300800
VOLCANIC ASH ADVISORY 
ISSUED: 2003OCT30/0730Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/431

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

ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS.

OBS ASH DATE/TIME: 30/0645Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA
WINDS FL100/230 MOVING SW 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS

REMARKS: IT IS DIFFICULT TO DETECT ASH FROM SATELLITE
IMAGERY DUE TO EXTENSIVE CLOUDS IN THE VICINITY OF THE
VOLCANO. THE LATEST OBSERVATION OF ASH FROM THE GEOPHYSICAL
INSTITUTE WAS AT 29/1230Z.

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT30/1330Z.

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