FVXX21 KWBC 091000 VOLCANIC ASH ADVISORY ISSUED: 2003MAR09/0953Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/010 INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. GFS MODEL WINDS FORECAST ERUPTION DETAILS: ASH OBSERVED AT 0850Z. OBS ASH DATE/TIME: 09/0915Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL160 MOVING W 10-20 KNOTS. FL180/FL200 MOVING NE 5 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE GEOPHYSICAL INSTITUTE HAS OBSERVED VOLCANIC ASH OVER THE VOLCANO. NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 0915Z BUT IT IS POSSIBLE THAT LOW LEVEL WEATHER CLOUDS ARE HINDERING ASH DETECTION. NEXT ADVISORY: WILL BE ISSUED BY 2003MAR09/1600Z NNNN