FVXX21 KWBC 091600 VOLCANIC ASH ADVISORY ISSUED: 2003MAR09/1600Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/011 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OBSERVED AT 0850Z. OBS ASH DATE/TIME: 09/1515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL160 MOVING W 10-15 KNOTS. FL180/FL250 MOVING NW 10 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 1515Z LOW LEVEL WEATHER CLOUDS MAY BE OBSCURING ASH DETECTION. NEXT ADVISORY: WILL BE ISSUED BY 2003MAR09/2200Z NNNN