FVXX20 KWBC 182338                      
VOLCANIC ASH ADVISORY 
ISSUED: 2003SEP18/2345Z VAAC: WASHINGTON
 
VOLCANO: TUNGURAHUA  1502-08
LOCATION: S0128W07826    AREA: ECUADOR
 
SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2003/257

INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS
FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL SIGMET.

ERUPTION DETAILS: EMISSION AT 18/2315Z
                                            
OBS ASH DATE/TIME: 18/2315z

OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA.
WINDS FL100/250 MOVING W 10-15 KNOTS.

FCST ASH CLOUD+6H: SEE SIGMETS.

REMARKS: AN AIRCRAFT OBSERVED VOLCANIC ASH OVER TUNGURAHUA
AT 2315Z TO FL250. THE ASH WAS MOVING W 10 TO 15 KNOTS. ASH
IS NOT IDENTIFIABLE FROM SATELLITE DATA DUE TO EXTENSIVE
CLOUDS IN THE AREA.

NEXT ADVISORY: WILL BE ISSUED BY 2003SEP19/0600Z

 
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