FVXX20 KWBC 251820 VOLCANIC ASH ADVISORY ISSUED: 2003JUN25/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/115 INFORMATION SOURCE: GOES-12 IMAGERY. AVN MODEL WINDS FORECAST. ERUPTION DETAILS: ASH OBSERVED AT 24/2100Z. OBS ASH DATE/TIME: 25/1745Z. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL165 MOVING W 20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: CLOUDS COVER THE REGION AROUND THE VOLCANO MAKING IT DIFFICULT TO DETECT ASH. THE LAST OBSERVATION OF ASH RECEIVED AT GUAYAQUIL WAS AT 24/2100Z. NEXT ADVISORY: WILL BE ISSUED BY 2003JUN26/0030Z. NNNN