FVXX20 KWBC 281455 VOLCANIC ASH ADVISORY ISSUED: 2002NOV28/1500Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2002/530 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: ERUPTION AT 28/1401Z OBS ASH DATE/TIME: 28/1415Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL240 MOVING W 10-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: THE GEOPHYSICAL INSTITUTE INDICATES AT 1401Z A PROBABLE VOLCANIC ASH CLOUD. ASH WAS NOT ABLE TO BE SEEN IN SATELLITE IMAGERY THROUGH 28/1415Z DUE TO EXTENSIVE WEATHER CLOUDS. NO VISIBLE HOT SPOTS WERE SEEN IN MULTI-SPECTRAL IMAGERY. .....KIBLER NEXT ADVISORY: WILL BE ISSUED BY 2002 NOV28/2100Z NNNN