FVXX21 KWBC 120420 VOLCANIC ASH ADVISORY ISSUED: 2002NOV12/0420Z VAAC: WASHINGTON . VOLCANO: REVENTADOR 1502-01 LOCATION: S0004W07739 AREA: ECUADOR . SUMMIT ELEVATION: 11686 FT (3562M) . ADVISORY NUMBER: 2002/040 . INFORMATION SOURCE: GEOPHYSICAL INSTITUTE. GOES-8 IMAGERY. GFS MODEL WINDS FORECAST . ERUPTION DETAILS: INCREASED ASH AND GAS EMISSIONS STARTING 11/2000Z . OBS ASH DATE/TIME: 12/0345Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS FL100/FL260 W 15 KNOTS . FCST ASH CLOUD +6H: SEE SIGMETS . REMARKS: THE GEOPHYSICAL INSTITUTE REPORTED A SIGNIFICANT ASH AND GAS EMISSION STARTING AT ABOUT 20Z AND PRODUCING ASH THAT MOVED TO THE WEST AND SOUTHWEST. ASH HAS NOT BEEN OBSERVED IN SATELLITE IMAGERY ALTHOUGH THERE ARE CLOUDS IN THE AREA. . NEXT ADVISORY: WILL BE ISSUED BY 2002NOV12/1030Z. . NNNN