FVXX20 KWBC 131743
VOLCANIC ASH ADVISORY                        
ISSUED: 2003NOV13/1800Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)
                                                       
ADVISORY NUMBER: 2003/491

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

ERUPTION DETAILS: ASH AND STEAM EXHALATIONS
                                                  
OBS ASH DATE/TIME: 13/1715Z

OBS ASH CLOUD: SFC/FL230 10 NM WIDE LINE BETWEEN S0128W07826
S0116W07915.  ASH IS MOVING W 5-10 KNOTS.  
                                             
FCST ASH CLOUD+6H: SEE SIGMETS
                                   
REMARKS: VISIBLE IMAGERY CONTINUES TO SHOW A NARROW PLUME OF
ASH AT FL230 EXTENDING TO THE W OF THE SUMMIT. THE LEADING
EDGE OF THE ASH IS APPROXIMATELY 60 NM FROM THE SUMMIT AND
IS APPROXIMATELY 10 NM WIDE.  

NEXT ADVISORY: WILL BE ISSUED BY 2003NOV14/0000Z.            

NNNN"Attached Graphic Map Depicting Ash Only" 

"Graphic Map Depicting Ash"