FVXX20 KWBC 262330 VOLCANIC ASH ADVISORY ISSUED: 2002JAN26/2330Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/024 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. AVIATION MODEL WIND FORECAST. GEOPHYSICAL INSTITUTE . ERUPTION DETAILS: VOLCANIC ASH OVER VOLCANO AT 26/2241Z . OBS ASH DATE/TIME: 26/2245Z . OBS ASH CLOUD: SFC/FL270 MOVING W 10-15 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH OVER THE VOLCANO. TO FL270 MOVING TOWARDS THE WEST. TURK . NEXT ADVISORY: WILL BE ISSUED BY 2002JAN27/0530Z. . NNNN