FVXX20 KWBC 070600 VOLCANIC ASH ADVISORY ISSUED: 2002MAR07/0600Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: 0128S7826W AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M). . ADVISORY NUMBER: 2002/126 . INFORMATION SOURCE: GOES-8 IMAGERY. GEOPHYSICAL INSTITUTE. AVN MODEL WINDS FORECAST. . ERUPTION DETAILS: ASH OBSERVED AT 07/0134Z. . OBS ASH DATE/TIME: 07/0345Z . OBS ASH CLOUD: SFC/FL300 ASH NOT IDENTIFIABLE FROM SATELLITE DATA. . . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTS VOLCANIC ASH OBSERVED AT 07/0134Z WITH UNKNOWN HEIGHT. ASH WAS OBSERVED EARLIER AT 06/2125Z TO FL300. NO ASH IS VISIBLE FROM SATELLITE IMAGERY THROUGH 07/0345Z. . NEXT ADVISORY: WILL BE ISSUED BY 2002MAR07/1200Z. . NNNN