FVXX20 KWBC 262259 VOLCANIC ASH ADVISORY ISSUED: 2003NOV26/2300Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/535 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. GFS MODEL WINDS FORECAST ERUPTION DETAILS: OCCASIONAL ASH EMISSIONS OBS ASH DATE/TIME: 26/2215Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/270 MOVING TO SW 15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: A SIGMET FROM THE GUAYAQUIL METEOROLOGICAL WATCH OFFICE CITES A 2210Z GEOPHYSICAL INSTITUTE OBSERVATION OF ASH FL165/265 MOVING TOWARD THE WEST. NO ASH CAN BE SEEN IN SATELLITE IMAGERY THROUGH 26/2215Z BUT ASH DETECTION MIGHT BE HINDERED BY THE LOW LEVEL WEATHER CLOUDS IN THE AREA. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV27/0500Z. NNNN