FVXX20 KNES 280534 VOLCANIC ASH ADVISORY ISSUED: 2004OCT28/0534Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/521 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH OBSERVED AT 28/0505Z OBS ASH DATE/TIME: 28/0515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/270 MOVING TO W 10-20 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED AT AT 28/0505Z TO FL270. THE CURRENT SATELLITE IMAGERY SHOWS MOSTLY CLOUDY SKIES OVER THE VOLCANO MAKING DETECTION OF ASH DIFFICULT. WALTER ... THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: WILL BE ISSUED BY 2004OCT28/1130Z NNNN