FVXX20 KWBC 171400 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1400 UTC 17 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-092 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GEOLOGICAL PERSONNEL IN QUITO...GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY. UPPER AIR WIND REPORTS FROM THE INSTITUTO GEOFISICO IN QUITO. . ERUPTION DETAILS: THE GEOFISICO INSTITUTO REPORTED AN ERUPTION AROUND 17/0955 UTC. . DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY SHOWS A SMALL ASH PLUME EXTENDING FROM THE VOLCANO TO THE WEST-SOUTHWEST. THE ASH IS AT OR BELOW FL200 AND EXTENDS 20 NMI (37 KM) TO THE WEST-SOUTHWEST OF THE VOLCANO SUMMIT TO -.1S 78.9W. THE PLUME IS 12 NMI (23 KM) WIDE. . TRAJECTORY: THE ASH IS MOVING TO THE WEST-SOUTHWEST AT 5 TO 10 KT. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 17/2000 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . RUMINSKI . NNNN"Attached Graphic Map Depicting Ash"