FVXX20 KWBC 192305 VOLCANIC ASH ADVISORY ISSUED: 2003DEC19/2235Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/623 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE ERUPTION DETAILS: ASH EMISSIONS OBS ASH DATE/TIME: 19/2145Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/260 MOVING TO SW 10-15 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: THE GEOPHYSICAL INSTITUTE EVENING REPORT STATES CONTINUED SEISMIC ACTIVITY AT THE VOLCANO THAT WOULD INDICATED OCCASIONAL EMISSIONS HOWEVER DUE TO CLOUDS THEY CAN NOT SEE THE EMISSION. EXTENSIVE CLOUD COVER ALSO PRECLUDES DETECTION OF ASH IN SATELLITE IMAGERY. NEXT ADVISORY: WILL BE ISSUED BY 2003DEC19/0430Z. NNNN