FVXX21 KWBC 112215 VOLCANIC ASH ADVISORY ISSUED: 2002NOV11/2220Z VAAC: WASHINGTON . VOLCANO: REVENTADOR 1502-01 LOCATION: S0004W07739 AREA: ECUADOR . SUMMIT ELEVATION: 11686 FT (3562M) . ADVISORY NUMBER: 2002/039 . 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: 11/2145Z . 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 REPORTS A SIGNIFICANT ASH AND GAS EMISSION STARTING AT ABOUT 20Z AND PRODUCING ASH THAT MOVED TO THE WEST AND SOUTHWEST. ASH WAS REPORTED TO BE ABOUT 4 KM ABOVE THE SUMMIT WHICH WOULD BE ABOUT FL250. MIDLEVEL WEATHER CLOUDS IN THE AREA MIGHT BE HINDERING ASH DETECTION BY SATELLITE. . NEXT ADVISORY: WILL BE ISSUED BY 2002NOV12/0415Z. . NNNN