FVXX20 KWBC 240600 VOLCANIC ASH ADVISORY ISSUED: 2004APR24/0559Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/172 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: INITIAL ERUPTION AT 23/1100Z OBS ASH DATE/TIME: 24/0415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 5 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY DUE TO CLOUDS IN THE REGION....WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 2004APR24/1200Z NNNN