FVXX22 KNES 181640 VOLCANIC ASH ADVISORY ISSUED: 2005JUN18/1639Z VAAC: WASHINGTON VOLCANO: REVENTADOR 1502-01 LOCATION: S0004W07740 AREA: ECUADOR SUMMIT ELEVATION: 11686 FT (3562 M) ADVISORY NUMBER: 2005/076 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ASH AND STEAM EMISSIONS OBS ASH DATE/TIME: 18/1615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL150 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 REPORTED ASH OVER THE VOLCANO MOVING TOWARDS THE NORTHWEST AT 1515Z. NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 1615Z DUE TO EXTENSIVE CLOUD COVER. A HEIGHT ASSIGNMENT IS PROBLEMATIC AS MODEL WINDS DO NOT MATCH THE MOTION OBSERVED BY THE INSTITUTE AND THEREFORE A FORECAST HAS NOT BEEN ISSUED FOR THIS ADVISORY. ...TURK NEXT ADVISORY: WILL BE ISSUED BY 2005JUN18/2245Z NNNN