FVXX20 KWBC 081810 VOLCANIC ASH ADVISORY ISSUED: 2003NOV08/1830Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/470 INFORMATION SOURCE: GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: ASH AND STEAM EXHALATIONS OBS ASH DATE/TIME: 08/1745Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/230 MOVING W 10-15 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: THE LAST REPORT OF VOLCANIC ASH ACTIVITY WAS A MODERATE EXHALATION AT 07/2200Z NOTED IN THE GEOPHYSICAL INSTITUTE DAILY REPORT. BUT EXTENSIVE WEATHER CLOUD COVERAGE REMAINED IN PLACE FOR ALL OF THE OVERNIGHT AND MOST OF THE EARLY MORNING. RECENT BREAKS IN THE CLOUDS ON VISIBLE AND USING MULTI-SPECTRAL IR TECHNIQUES LEAD TO SPECULATION THAT ASH ACTIVITY HAS ENDED FOR THE MOMENT. HOWEVER...DUE TO THE HIGH FREQUENCY OF SMALL ASH LADEN ERUPTIONS OVER THE PAST FEW WEEKS/MONTHS...WILL NOT END ADVISORIES YET. WILL CONTINUE TO CLOSELY MONITOR. NEXT ADVISORY: WILL BE ISSUED BY 2003NOV09/0030Z. NNNN