FVXX20 KWBC 191100 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1100 UTC 19 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-099 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL IMAGERY. UPPER AIR WIND REPORTS FROM THE INSTITUTO GEOFISICO IN QUITO. . ERUPTION DETAILS: THE INSTITUTO GEOFISICO REPORTED A MAJOR ERUPTION AROUND 19/0227 UTC. . DETAILS OF ASH CLOUD: GOES 8 IMAGERY THROUGH 1015 UTC NO LONGER SHOWS ANY DETECTABLE ASH FROM THE ERUPTION. THE ASH MOVED TO THE WEST AND WEST SOUTHWEST AND DISSIPATED AFTER 0545 UTC. THERE ARE SOME SCATTERED METEOROLOGICAL CLOUD IN THE REGION HOWEVER THERE HAS BEEN NO FURTHER ERUPTIONS REPORTED. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL300 WILL MOVE TO THE WEST AT 15 TO 20 KTS. ASH BETWEEN FL300 TO FL350 WILL MOVE TO THE SOUTHWEST AT 25 KTS. AND ASH FROM FL350 TO FL400 WILL MOVE WEST AROUND 35 TO 40 KNOTS. . 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 AND VAFTAD. . THE NEXT STATEMENT WILL BE ISSUED AROUND 19/1700 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN