FVXX20 KWBC 040717
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC04/0730Z VAAC: WASHINGTON

VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/566

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS.
GEOPHYSICAL INSTITUTE
 
ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS
                         
OBS ASH DATE/TIME: 04/0645Z             
               
OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/230 MOVING TO S 0-5 KNOTS.

FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: THICK CLOUDS IN THE VICINITY OF THE VOLCANO ARE 
MAKING ASH DIFFICULT TO DETECT IN SATELLITE IMAGERY THROUGH
04/0645Z.  THE GEOPHYSICAL INSTITUTE REPORTED ASH BETWEEN
FL165/230 AT 04/0313Z.                                       
                    
NEXT ADVISORY: WILL BE ISSUED BY 2003DEC04/1330Z.
                                        
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