FVXX20 KWBC 310908       
VOLCANIC ASH ADVISORY
ISSUED: 2003AUG31/0900Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/190

INFORMATION SOURCE: GOES-12 IMAGERY.  

ERUPTION DETAILS: ONGOING ERUPTION SINCE 20/1745Z.
                                            
OBS ASH DATE/TIME: 31/0215Z        

OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS
SFC/FL270 MOVING SW TO W 10-15 KNOTS.
                           
FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD.

REMARKS: DUE TO SATELLITE RAPID SCANNING OPERATIONS THE
IMAGERY IS CUT OFF SOUTH OF S0139. A HOTSPOT HAS BEEN
DETECTED AT THE VOLCANO SINCE 0645Z AND A PLUME CAN BE
BRIEFLY SEEN SPREADING WEST TO SOUTHWEST FROM THE SUMMIT TO
BEYOND THE IMAGERY. THE HEIGHT IS ESTIMATED BASED ON CLOUD
MOTION BECAUSE THE MODEL WINDS ARE NOT VERIFYING.
                           
NEXT ADVISORY: WILL BE ISSUED BY 2003AUG31/1500Z.

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