FVXX20 KWBC 270404 VOLCANIC ASH ADVISORY ISSUED: 2004JUN27/0404Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0117W7824 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/315 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED 27/0238Z OBS ASH DATE/TIME: 27/0315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL250 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: THE GEOPHYSICAL INSTITUTE OBSERVED ASH TO FL250 OVER THE VOLCANO AT 0238Z. NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 0315Z DUE TO EXTENSIVE CLOUD COVER. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2004JUN27/1000Z NNNN