FVXX20 KWBC 040955 VOLCANIC ASH ADVISORY ISSUED: 2002NOV04/0955Z VAAC: WASHINGTON . VOLCANO: GUAGUA PICHINCHA 1502-02 LOCATION: S0118W07836 AREA: ECUADOR . SUMMIT ELEVATION: 15695 FT (4785 M) . ADVISORY NUMBER: 2002/002 . INFORMATION SOURCE: GOES-8 IMAGERY. GFS MODEL WINDS FORECAST. ERUPTION DETAILS: 04/0156Z AND 04/0215Z . OBS ASH DATE/TIME: 04/0845Z . OBS ASH CLOUD: ASH NOT IDENTIFIABLE IN SATELLITE IMAGERY. WINDS FL100/FL200 MOVING W 10 TO 20 KNOTS. . FCST ASH CLOUD+6H: SEE SIGMETS AND VAFTAD. . REMARKS: THE GEOPHYSICAL INSTITUTE INDICATED THAT TWO EXPLOSIONS OF GUAGUA PICHINCHA OCCURRED AT 0156Z AND 0215Z. THERE HAVE BEEN NO NEW UPDATES FROM THE INSTITUTE. DUE TO ASH ALREADY IN THE ATMOSPHERE FROM THE REVENTADOR ERUPTION AND WEATHER CLOUDS IN THE REGION THE ERUPTION CAN NOT BE DETECTED IN IMAGERY AND NO GOOD ESTIMATE OF HEIGHT CAN BE DONE. SEE FVXX21KWC FOR ASH AREA AND GRAPHIC. . NEXT ADVISORY: WILL BE ISSUED BY 2002NOV04/1530Z . NNNN