FVXX20 KWBC 092300 VOLCANIC ASH ADVISORY-CORRECTION ISSUED: 2002JUL09/2300Z VAAC: WASHINGTON . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/324 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. AVN MODEL WINDS. . ERUPTION DETAILS: ASH OBSERVED AT 09/1620Z. . OBS ASH DATE/TIME: 09/2245Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL200 MOVING SW 10-15 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED AN ERUPTION OCCURRED AT 1620Z WITH ASH UP TO FL200. ASH CAN NOT BE DETECTED IN SATELLITE IMAGERY HOWEVER SURFACE OBS CONTINUE TO INDICATE ASH TO FL180. ANALYST: HUGHES. . NEXT ADVISORY: WILL BE ISSUED BY 2002JUL10/0500Z. . NNNN