FVXX20 KWBC 310124 VOLCANIC ASH ADVISORY ISSUED: 2003OCT31/0130Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/434 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS. OBS ASH DATE/TIME: 30/0115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING S 5 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY THROUGH 31/0115Z....WALTER NEXT ADVISORY: WILL BE ISSUED BY 2003OCT31/0730Z. NNNN