FVXX20 KWBC 151751 VOLCANIC ASH ADVISORY ISSUED: 2003NOV15/1750Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/499 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 14/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/240 MOVING W 5-10 KNOTS. FL250/300 MOVING NW 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 1715Z DUE TO EXTENSIVE CLOUDS IN THE AREA. THE LATEST OBSERVATION OF ASH BY THE GEOPHYSICAL INSTITUTE WAS AT 1640Z TO FL300. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV16/0000Z. NNNN