FVXX20 KWBC 281433 VOLCANIC ASH ADVISORY ISSUED: 2004JUL28/1433Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/424 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH EMISSIONS STARTING AROUND 26/1837Z OBS ASH DATE/TIME: NIL OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: UNDER MOSTLY CLEAR SKIES ASH COULD NOT BE DETECTED IN SATELLITE IMAGERY THROUGH 1415Z. THE GEOPHYSICAL INSTITUTE INDICATED IN ITS DAILY REPORT FOR TUESDAY THAT ACTIVITY HAD DIMINISHED. ... NEXT ADVISORY: NO FURTHER ADVISORIES NNNN