FVXX20 KWBC 071859       
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT07/1900Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/336

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE
        
ERUPTION DETAILS: STRONG EMISSION BEGINNING AT 07/1015Z
                                            
OBS ASH DATE/TIME: 07/1815Z

OBS ASH CLOUD: FL200/270 9 NMI WIDE PLUME FROM S0128W07826
EXTENDING TO S0114W07825. ASH IS MOVING N 5-10 KNOTS.  WINDS
FL100/180 MOVING NW 5-10 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: CLOUDINESS AROUND THE SUMMIT IS HAMPERING ASH
DETECTION.  THE PREVIOUSLY WELL DEFINED PLUME IS NO LONGER
DISCERNABLE IN SATELLITE IMAGERY THROUGH 07/1815Z.  NEAR
SUMMIT VENTING APPEARS TO BE CONTINUING.  

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT08/0100Z.  
 
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                                             "Attached Graphic Map Depicting Ash Only" 

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