FVXX20 KWBC 111845 VOLCANIC ASH ADVISORY ISSUED: 2003OCT11/1900Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/352 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: EXHALATION AT 10/1645Z OBS ASH DATE/TIME: 11/1815Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/330 MOVING NW 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: AN OCCASIONAL HOT SPOT PERSISTS IN MULTISPECTRAL IMAGERY. CLOUDS IN THE AREA AROUND THE VOLCANO MAKE IT DIFFICULT TO DETECT ASH. THE LATEST OBSERVATION OF ASH BY THE INSTITUTE WAS AT 1430Z TO FL330. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT12/0100Z. NNNN