FVXX20 KWBC 200528 VOLCANIC ASH ADVISORY ISSUED: 2003OCT20/0530Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2003/389 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE REPORT. ERUPTION DETAILS: CONTINUED ASH AND STEAM EXHALATIONS. OBS ASH DATE/TIME: 20/0515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE DATA. WINDS FL100/180 MOVING W 5-10 KNOTS. FCST ASH CLOUD+6H: SEE SIGMETS REMARKS: THICK CLOUDS NOW COVER THE AREA OF THE SUMMIT OBSCURING ANY ASH. THE GEOPHYSICAL INSTITUTE LAST REPORTED ASH AT 0010Z MOVING SOUTHEAST. NEXT ADVISORY: WILL BE ISSUED BY 2003OCT2/1130Z. NNNN