FVXX20 KWBC 061935       
VOLCANIC ASH ADVISORY
ISSUED: 2003OCT06/1930Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/331

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

ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z
                                            
OBS ASH DATE/TIME: 06/1845Z

OBS ASH CLOUD: SFC/FL250 9 NM WIDE LINE OF ASH BETWEEN
S0128W07826 S0055W07842.  ASH IS MOVING NW 5-10 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: SATELLITE IMAGERY REVEALED A PLUME EXTENDING
APPROXIMATELY 36 NM TO THE NORTH NORTHWEST OF THE SUMMIT AT
1845Z.  THE HEIGHT WAS BASED ON A PILOT REPORT OF ASH TO
FL230 AT 1405Z AS WELL AS MODEL WINDS FORECAST.  TURK

NEXT ADVISORY: WILL BE ISSUED BY 2003OCT07/0130Z.  
 
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                                             "Attached Graphic Map Depicting Ash Only" 

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