FVXX20 KWBC 231220 VOLCANIC ASH ADVISORY ISSUED: 2004MAY23/1219Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/214 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH EMISSION AT 22/2235Z OBS ASH DATE/TIME: 23/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING TO W 10-15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: EXTENSIVE CLOUDINESS OVER THE VOLCANO MAKES IT DIFFICULT TO DETECT ASH AT THIS TIME. THE LASTEST OBSERVATION OF ASH BY THE INSTITUTE WAS AT 22/2235Z TO FL200. ...KARST NEXT ADVISORY: WILL BE ISSUED BY 2004MAY23/1815Z NNNN