FVXX20 KWBC 200453 VOLCANIC ASH ADVISORY ISSUED: 2004JUL20/0452Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/392 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH LAST OBSERVED 20/0356Z OBS ASH DATE/TIME: 20/0415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO NW 10-15 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 0356Z MOVING TO THE NORTHWEST. NO ASH WAS OBSERVED IN SATELLITE IMAGERY THROUGH 0415Z DUE TO CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2004JUL20/1045Z NNNN