FVXX20 KWBC 010650 VOLCANIC ASH ADVISORY ISSUED: 2003OCT01/0700Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/307 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: SERIES OF EMISSIONS STARTING AT 21/2345Z OBS ASH DATE/TIME: 01/0615Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/230 MOVING W 5 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS. REMARKS: AN OCCASIONAL HOT SPOT CAN BE DETECTED IN SHORTWAVE IMAGERY. DENSE CLOUDS IN THE VICINITY OF THE VOLCANO MAKE IT DIFFICULT TO DETECT ANY ASH AT THIS TIME. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT01/1300Z. NNNN