FVXX22 KWBC 061919 VOLCANIC ASH ADVISORY ISSUED: 2003MAY06/1930Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/048 INFORMATION SOURCE: GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. GOES-12 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: 06/1730Z MINOR EXPLOSION OF GAS AND ASH OBS ASH DATE/TIME: 06/1845Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL180 MOVING W 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED A SMALL EXPLOSION PRODUCING MORE GAS THAN ASH. THESE GASSES AND ASH WERE BELIEVED TO BE MOVING WEST. SEISMIC ACTIVITY HAS DECREASED SINCE THIS EXPLOSION. SATELLITE IMAGERY THROUGH 1845Z SHOWS WEATHER CLOUDS OBSCURING THE SUMMIT. NEXT ADVISORY: NO FURTHER ADVISORIES NNNN