FVXX20 KWBC 221033 VOLCANIC ASH ADVISORY ISSUED: 2003DEC22/1030Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/633 INFORMATION SOURCE: GOES-12 IMAGERY. MODEL WINDS FORECAST. ERUPTION DETAILS: ASH EMISSIONS. OBS ASH DATE/TIME: 22/0945Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL250 MOVING TO W 10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: WEATHER CLOUDS CONTINUE OVER THE REGION OBSCURING DETECTION OF ANY ASH OR HOT SPOT. HEIGHT ESTIMATE IS BASED ON A 21/2025Z OBSERVATION OF ASH TO FL250 FROM THE GEOPHYSICAL INSTITUTE. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC22/1630Z. NNNN