FVXX20 KWBC 290422          
VOLCANIC ASH ADVISORY
ISSUED: 2003AUG29/0420Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/181

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

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
                                            
OBS ASH DATE/TIME: 29/0315Z        

OBS ASH CLOUD: SFC/FL240 16 NM WIDE LINE BETWEEN S0128W07826
S0145W07856 MOVING SW 10-15 KNOTS. SFC/FL240 41 NM WIDE LINE
BETWEEN S0148W07925 S0241W08029 MOVING SW10-15 KNOTS. 
                                                    
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS:    NOW WITH CONSECUTIVE IMAGERY 2 AREAS OF ASH CAN BE
DETECTED WITH THE LARGER AREA OVER THE CITY OF GUAYAQUIL AND
A SMALLER AREA EXTENDING SOUTHWEST FROM THE SUMMIT. A FAINT
HOT SPOT CAN ALSO BE DETECTED. BOTH AREAS ARE BECOMING
FAINTER WITH TIME. 

NEXT ADVISORY: WILL BE ISSUED BY 2003AUG29/1030Z.

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"Attached Graphic Map Depicting Ash Only" 

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