FVXX20 KWBC 040118 VOLCANIC ASH ADVISORY ISSUED: 2003DEC04/0115Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/565 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 04/0045Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/240 MOVING TO NE 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THICK CLOUDS NOW OBSCURE THE AREA OF THE SUMMIT. THE GEOPHYSICAL INSTITUTE REPORTED ASH MOVING NE TO FL240 AT 04/0027Z. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC04/0730Z. NNNN