FVXX20 KWBC 170837 VOLCANIC ASH ADVISORY ISSUED: 2004JUN17/0837Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/287 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. PILOT REPORT. ERUPTION DETAILS: EMISSIONS OF GASES AND ASH OBS ASH DATE/TIME: 17/0415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL230 MOVING TO W 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 BETWEEN FL165/230 AT 0415Z. SATELLITE IMAGERY THROUGH 0715Z SHOWED A BRIGHT HOT SPOT. NO ASH WAS VISIBLE IN THE IMAGERY. ...BROWN NEXT ADVISORY: WILL BE ISSUED BY 2004JUN17/1430Z NNNN