FVXX21 KWBC 151500 VOLCANIC ASH ADVISORY ISSUED: 2003MAR15/1500Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/035 INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: EMISSION OF GASES AND LIGHT ASH AT 14/1634Z OBS ASH DATE/TIME: NIL. OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE GEOPHYSICAL INSTITUTE INDICATED THAT ACTIVITY HAS DECREASED OVER THE PAST FEW HOURS. ASH NOT IDENTIFIABLE FROM SATELLITE DATA AS WEATHER CLOUDS REMAIN ACROSS THE REGION....KIBLER NEXT ADVISORY: NO FURTHER ADVISORIES. NNNN