FVXX20 KWBC 171940
VOLCANIC ASH ADVISORY
ISSUED: 2003DEC17/2000Z VAAC: WASHINGTON

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

SUMMIT ELEVATION: 16480 FT (5023 M)          

ADVISORY NUMBER: 2003/618

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GEOPHYSICAL INSTITUTE
 
ERUPTION DETAILS: ASH EMISSIONS AT 17/1330Z
                         
OBS ASH DATE/TIME: 17/1915Z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/200 MOVING TO W 10-15 KNOTS.
 
FCST ASH CLOUD+6H: NOT AVBL
FCST ASH CLOUD+12H: NOT AVBL  
FCST ASH CLOUD+18H: NOT AVBL

REMARKS: THE LATEST OBSERVATION OF ASH BY THE GEOPHYSICAL
INSTITUTE WAS AT 1330Z. SATELLITE IMAGERY DOES NOT INDICATE
ANY ASH DUE TO EXTENSIVE CLOUDS IN THE VICINITY OF THE
VOLCANO. THE ASH IS ESTIMATED AT FL200 AND IS MOVING TOWARDS
THE W AT 10-15 KNOTS.

NEXT ADVISORY: WILL BE ISSUED BY 2003DEC18/0200Z

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