FVXX20 KWBC 231133 VOLCANIC ASH ADVISORY ISSUED: 2004APR23/1133Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/170 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ERUPTION OCCURRED AT 23/1110Z. OBS ASH DATE/TIME: 23/1115Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL220 MOVING TO NW 10 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH OVER THE VOLCANO AT 1110Z TO FL220. NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 1115Z DUE TO EXTENSIVE CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2004APR23/1730Z NNNN