FVXX20 KWBC 050004 VOLCANIC ASH ADVISORY ISSUED: 2003OCT05/0000Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/323 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 04/2315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED A VOLCANIC ASH CLOUD TO FL230 AT 2307Z. CLOUDS CONTINUE TO OBSCURE THE SUMMIT AND IMMEDIATE SURROUNDINGS MAKING IT IMPOSSIBLE TO DETECT ASH IN SATELLITE IMAGERY THROUGH 2315Z. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT05/0600Z. NNNN