FVXX20 KWBC 262234 VOLCANIC ASH ADVISORY ISSUED: 2004APR26/2233Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/179 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: OBSERVED ASH AT 26/2200Z OBS ASH DATE/TIME: 26/2215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL170 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: STATION OBSERVATION OF ASH OVER THE VOLCANO TO FL170 MOVING TOWARDS THE WEST 5-10KTS ...KARST NEXT ADVISORY: WILL BE ISSUED BY 2004APR27/0430Z NNNN