FVXX20 KWBC 041350
VOLCANIC ASH ADVISORY
ISSUED: 2003SEP04/1350Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/209

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

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20AUG/1745Z.  
                                            
OBS ASH DATE/TIME: 05/1315Z

OBS ASH CLOUD: SFC/FL240 15 NM WIND LINE BETWEEN S0128W07825
S0105W07927. ASH IS MOVING W 15-20 KNOTS.
                           
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS: WITH THE VISIBLE IMAGERY A FAINT ROUGHLY 65 NM LONG
AND 15 NM WIDE PLUME CAN BE SEEN MOVING ALMOST WEST ALMOST
NORTHWEST (290 DEGREES) JUST ABOVE THE CLOUDS THAT COVER THE
VOLCANO ITSELF. BASED ON WIND TRAJECTORY THE HEIGHT IS
ESTIMATED AROUND FL240. 

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP04/2000Z.

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                                          "Attached Graphic Map Depicting Ash Only" 

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