FVXX20 KNES 291448 VOLCANIC ASH ADVISORY ISSUED: 2004SEP29/1435Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/484 INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS MODEL WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: ASH AND GAS EMISSION AT 1155Z. OBS ASH DATE/TIME: 29/1245Z OBS ASH CLOUD: FLSFC/250 10NM WIDE LINE BETWEEN S0129W07835 - S0129W07826. ASH IS MOVING W 15 KNOTS. FCST ASH CLOUD +6H: NOT AVBL FCST ASH CLOUD +12H: NOT AVBL FCST ASH CLOUD +18H: NOT AVBL REMARKS: A HOTSPOT WAS DETECTED AT 1145Z. THE OBSERVATORY REPORTED A PLUME FROM THE VOLCANO MOVING WEST. A SHORT NARROW PLUME CAN BE SEEN IN GOES IMAGERY BETWEEN 1215Z TO 1245Z MOVING WEST. ... THIS PRODUCTS HEADER WILL CHANGE FROM KWBC TO KNES EFFECTIVE OCT 28, 2004. NEXT ADVISORY: WILL BE ISSUED BY 2004SEP29/1900Z NNNN