FVXX20 KNES 131905 VOLCANIC ASH ADVISORY ISSUED: 2004SEP13/1904Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W7826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/460 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ASH OBSERVED AT 13/1810Z OBS ASH DATE/TIME: 13/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/220 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 HAS OBSERVED ASH OVER THE SUMMIT TO FL220 AT 13/1810Z. ASH CAN NOT BE SEEN IN THE CURRENT SATELLITE IMAGERY DUE TO THICK CLOUDS OVER THE REGION.....WALTER ... THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: WILL BE ISSUED BY 2004SEP14/0100Z NNNN