FVXX20 KWBC 121222 VOLCANIC ASH ADVISORY ISSUED: 2003DEC12/1230Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/599 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 12/1145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/200 MOVING TO W 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: A HOTSPOT HAS BEEN SEEN OVER THE PAST SIX HOURS INDICATING THAT ACTIVITY IS STILL OCCURRING. HOWEVER...VERY HIGH WEATHER CLOUDS AND LOW SUN ANGLE HAVE MADE DETECTION OF ASH VERY DIFFICULT SO FAR THIS MORNING. LATEST OBSERVATION REPORT IN GUAYAQUIL MWO SIGMET INDICATED THAT ASH HEIGHT WAS TO FL200 AT 1131Z...GALLINA NEXT ADVISORY: WILL BE ISSUED BY 2003DEC12/1830Z. NNNN