FVXX20 KWBC 031845 VOLCANIC ASH ADVISORY ISSUED: 2003NOV03/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/450 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 03/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL280 SW 10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 03/1745Z. DUE TO EXTENSIVE CLOUDS IN THE REGION. IN ADDITION..IN THE AREA ARE LIGHT AND VARIABLE FROM FL100 TO FL280....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003NOV04/0030Z. NNNN