FVXX20 KWBC 221400 VOLCANIC ASH ADVISORY ISSUED: 2002JAN22/1400Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/022 . INFORMATION SOURCE: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. GUAYAQUIL METEOROLOGICAL WATCH OFFICE. AVIATION MODEL WIND FORECAST. . ERUPTION DETAILS: ERUPTION AT 22/1321Z . OBS ASH DATE/TIME: 22/1345Z . OBS ASH CLOUD: SFC/FL250 MOVING W 5 KNOTS ASH NOT IDENTIFIABLE FROM SATELLITE DATA . FCST ASH CLOUD+6H: SEE SIGMETS . REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED ASH OVER THE VOLCANO TO FL250. ASH IS DIFFICULT TO SEE DUE TO CLOUDS OVER THE AREA..KARST . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN