FVXX20 KWBC 150450 VOLCANIC ASH ADVISORY ISSUED: 2002FEB15/0450Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/071 . INFORMATION SOURCE: GOES-8 IMAGERY. AVN MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ERUPTION AT 14/1930Z AND 14/2150Z. . OBS ASH DATE/TIME: 14/2145Z. . OBS ASH CLOUD: SFC/FL270 MOVING SE 5 TO 10 KNOTS. ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: SATELLITE IMAGERY THROUGH 0415Z SUGGESTS THAT THE ASH HAS THINNED AND CAN NO LONGER BE SEEN IN AVAILABLE IMAGERY. THERE HAS BEEN SOME HOTSPOT ACTIVITY OVER THE PAST SIX HOURS. . NEXT ADVISORY: WILL BE ISSUED BY 2002FEB15/1100Z. . NNNN