FVXX20 KWBC 280515 VOLCANIC ASH ADVISORY ISSUED: 2002MAY28/0515Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/242 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE. GUAYAQUIL MWO SIGMET. GOES 8 SATELLITE IMAGERY. . ERUPTION DETAILS: ERUPTION AT 28/0357Z. . OBS ASH DATE/TIME: 28/0357Z . OBS ASH CLOUD: ASH NOT OBSERVABLE IN SATELLITE IMAGERY. WINDS FL100/FL200 MOVING WEST AT 10 TO 15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED AN ERUPTION OF TUNGURAHUA AT 0357Z RESULTED IN ASH TO FL200. NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 0445Z DUE TO EXTENSIVE CLOUD COVER. TURK . NEXT ADVISORY: NO FURTHER ADVISORIES. . NNNN