FVXX20 KWBC 141805 VOLCANIC ASH ADVISORY ISSUED: 2003NOV14/1800Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/495 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 14/1715Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: THE LATEST OBSERVATION OF ASH BY THE INSTITUTE WAS AT 1600Z TO FL230. IT IS DIFFICULT TO DETECT ASH IN SATELLITE IMAGERY DUE TO CLOUDS IN THE VICINITY OF THE VOLCANO. ANY ASH SHOULD MOVE TOWARDS THE WEST AT 10-15 KNOTS. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV15/0000Z. NNNN