FVXX20 KWBC 020408 VOLCANIC ASH ADVISORY ISSUED: 2003DEC02/0400Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/556 INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 02/0315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/240 VARIABLE 5 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: ASH CANNOT BE SEEN IN SATELLITE IMAGERY DUE TO EXTENSIVE CLOUDS HOWEVER IN OCCASIONAL BREAKS A HOT SPOT CAN BE DETECTED. MODEL WINDS THROUGH FL240 ARE LIGHT AND VARIABLE. THE GEOPHYSICAL INSTITUTE EVENING REPORT STATES THAT THOUGH CLOUD COVERED THE VOLCANO IS KNOW TO BE ACTIVE DUE TO SEISMIC ACTIVITY AND EXPLOSIVE NOISES. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC02/1000Z. NNNN