FVXX20 KWBC 101555 VOLCANIC ASH ADVISORY ISSUED: 2002FEB10/1555Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/058 . INFORMATION SOURCE: GOES-8 IMAGERY AVN MODEL WINDS FORECAST GUAYAQUIL MWO SIGMET. . ERUPTION DETAILS: ASH AND STEAM OBSERVED AT 10/1326. . OBS ASH DATE/TIME: 10/1326Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS LIGHT AND VARIABLE. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: IN GOES-8 IMAGERY FROM 0915Z TO 1145Z A HOT SPOT WAS DETECTED AT THE VOLCANO BUT NO PLUME. HIGH LEVEL CLOUDS OVERSPREAD THE REGION AFTER 1200Z. THE GEOPHYSICAL INSTITUTE OBSERVED A NEAR SUMMIT EMISSION OF ASH AND STEAM AROUND 1326Z. ASH CAN NOT BE DETECTED IN CURRENT SATELLITE IMAGERY DUE TO WEATHER CLOUDS. WE WILL CONTINUE TO MONITOR THE REGION AND UPDATE IF NEEDED. . NEXT ADVISORY: NO FURTHER ADVISORIES . NNNN