FVXX20 KWBC 242242 VOLCANIC ASH ADVISORY ISSUED: 2004JUL24/2242Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/412 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 24/2215Z 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. SATELLITE IMAGERY THROUGH 2215Z SHOWS BROKEN CLOUDCOVER OVER THE VOLCANO MAKING ASH DETECTION DIFFICULT. ... NEXT ADVISORY: WILL BE ISSUED BY 2004JUL25/0445Z NNNN