FVXX20 KWBC 270644 VOLCANIC ASH ADVISORY ISSUED: 2003SEP27/0700Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/291 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 27/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING SW 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: THE LATEST OBSERVATION OF ASH FROM THE INSTITUTE WAS AT 27/0512Z. ASH IS NOT IDENTIFIABLE FROM SATELLITE DATA DUE TO CLOUDS. TURK NEXT ADVISORY: WILL BE ISSUED BY 2003SEP27/1300Z. NNNN