FVXX21 KWBC 081810 VOLCANIC ASH ADVISORY ISSUED: 2002NOV08/1810Z VAAC: WASHINGTON . VOLCANO: REVENTADOR 1502-01 LOCATION: S0004W07739 AREA: ECUADOR . SUMMIT ELEVATION: 12139 FT (3700M) . ADVISORY NUMBER: 2002/026 . INFORMATION SOURCE: GOES-8 IMAGERY. GUAYAQUIL MWO. MODEL WIND FORECAST. GEOPHYSICAL INSTITUTE. . ERUPTION DETAILS: ONGOING ACTIVITY FROM 08/0015Z. . OBS ASH DATE/TIME: 08/1745Z. . OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL200 MOVING NW 10-15 KNOTS. . FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD . REMARKS: DENSE CLOUDS HAVE COVERED THE AREA MAKING ANY DETECTION OF ASH DIFFICULT. AIRCRAFT OBSERVED ASH TO FL220 MOVING NW AT 08/1510Z. SHORTWAVE IMAGERY SHOWS AN OCCASIONAL HOTSPOT...KARST/TEB . NEXT ADVISORY: WILL BE ISSUED BY 2002NOV09/0030Z. . NNNN