FVXX20 KWBC 250531 VOLCANIC ASH ADVISORY ISSUED: 2004JUL25/0531Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/413 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 25/0445Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 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 REPORTED OBSERVING ASH AT 2147Z UP TO FL260. ASH CAN NOT BE DETECTED IN SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDS OVER THE VOLCANO. ...KARST NEXT ADVISORY: WILL BE ISSUED BY 2004JUL25/1130Z NNNN