FVXX20 KWBC 240718 VOLCANIC ASH ADVISORY ISSUED: 2003OCT24/0730Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/406 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS. OBS ASH DATE/TIME: 24/0645Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS FL100/240 MOVING SW 15-20 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY THROUGH 24/0645Z. CLOUD COVER REMAINS NEAR AND AROUND THE VOLCANO. WE WILL CONTINUE TO CLOSELY MONITOR AND ADVISE AS NEEDED. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT24/1330Z. NNNN