FVXX20 KWBC 162315 CCA VOLCANIC ASH ADVISORY ISSUED: 2002SEP16/2315Z VAAC: WASHINGTON . CORRECTION TO NEXT VAA TIME . VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR . SUMMIT ELEVATION: 16480 FT (5023 M) . ADVISORY NUMBER: 2002/435 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO SIGMET. GEOPHYSICAL INSTITUTE. ERUPTION DETAILS: ONGOING ASH EMISSIONS. OBS ASH DATE/TIME: 16/1654Z . OBS ASH CLOUD: POSSIBLE ASH VISIBLE IN SATELLITE MULTI-SPECTRAL DATA AT 17/2215Z AND WITHIN 10KM OF THE SUMMIT. WINDS FL100/FL240 MOV W 10 TO 20 KNOTS AND FL240/FL330 MOV NW ABOUT 10 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS. . REMARKS: THE GEOPHYSICAL INSTITUTE OBSERVED AN ERUPTION AT 1654Z WITH ASH REPORTED UP TO FL330 WITH LOW ASH MOVING WEST AND HIGH ASH MOVING NW. SATELLITE IMAGERY THROUGH 16/2245Z SHOWS POSSIBLE ASH NEAR THE SUMMIT AT 2215Z WHICH HAS THINNED AND REMAINED NEAR SUMMIT IN THE 2245Z IMAGE. . NEXT ADVISORY: WILL BE ISSUED BY 2002SEP17/0500Z. . NNNN