FVXX20 KWBC 300401 VOLCANIC ASH ADVISORY ISSUED: 2003NOV30/0400Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/548 INFORMATION SOURCE: GOES-12 IMAGERY. SATELLITE DERIVED WINDS. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 30/0315Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING TO NW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: WEATHER CLOUDS HAVE OVERSPREAD THE REGION MASKING THE ASH PLUME SEEN PREVIOUSLY. IN THE LAST VISIBLE IMAGE OF THE DAY AT 29/2215 A PLUME MOVING NORTHWEST FROM THE SUMMIT COULD STILL BE SEEN. THE GEOPHYSICAL INSTITUTE EVENING REPORTS CONTINUES TO INDICATE ACTIVITY. VAFTAD MODEL NOT BEING ISSUED BECAUSE FORECAST DOES NOT FIT OBSERVED PLUME MOTION. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV30/1000Z. NNNN