FVXX20 KNES 201431 VOLCANIC ASH ADVISORY ISSUED: 2004OCT20/1431Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/506 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. ERUPTION DETAILS: ASH EMISSION REPORTED AT 20/1355Z. OBS ASH DATE/TIME: 20/1355Z OBS ASH CLOUD: FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: A PILOT REPORT AT 1355Z HAD AN ASH CLOUD TO FL230 MOVING TO THE NORTHEAST. MULTI-SPECTRAL SATELLITE IMAGERY DOES NOT SHOW ANY HOTSPOT AT THE SUMMIT AND NO DISTINGUISHABLE PLUME HAS BEEN SEEN ON VISIBLE IMAGERY. BROKEN CLOUDINESS COVERS THE AREA. ...BALDWIN THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: WILL BE ISSUED BY 2004OCT20/2030Z NNNN