FVXX20 KWBC 050548 VOLCANIC ASH ADVISORY ISSUED: 2003OCT05/0600Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/324 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 05/0315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: AT 04/2307Z THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD FL165/230. NO ASH OR HOTSPOTS CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0315Z BUT LOW LEVEL WEATHER CLOUDS COULD BE HINDERING ASH DETECTION. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT05/1200Z. NNNN