FVXX20 KWBC 281939 CCA
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2003AUG28/2000Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/179

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

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
                                            
OBS ASH DATE/TIME: 28/1915Z        

OBS ASH CLOUD: SFC/FL240 12 NM WIDE LINE BETWEEN S0128W07826
S0137W07857. ASH IS MOVING W 10-15 KNOTS.
                                                    
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS: CORRECTION FOR OBS ASH DATE/TIME...GOES-12 VISIBLE
IMAGERY LOOP CONTINUES TO SHOW A VERY DARK PLUME OF ASH THAT
EXTENDS ABOUT 40 NM FROM THE SUMMIT TO THE SW.  SURFACE
REPORT OF ASH FROM SERB INDICATED THE ASH WAS UP TO FL230
MOVING WEST. HOWEVER...VARIABILITY IN THE WINDS HAS LEAD TO
SOME DISPERSION TO THE SW OF THE SUMMIT...GALLINA     

NEXT ADVISORY: WILL BE ISSUED BY 2003AUG29/0400Z.

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"Attached Graphic Map Depicting Ash Only" 

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