FVXX20 KWBC 191715 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1715 UTC 19 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-100 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY. GEOLOGICAL PERSONNEL IN QUITO..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: ASH IS NO LONGER DETECTABLE IN GOES-8 SATELLITE IMAGERY. THERE IS CONSIDERABLE CLOUDINESS AROUND THE VOLCANO BUT DISCUSSIONS WITH GEOLOGICAL PERSONNEL IN-SITU REPORT THAT THE VOLCANO HAS NOT EMITTED ANY ASH SINCE THE ERUPTION AT 0227 UTC. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL300 WILL MOVE TO THE WEST AT 5 TO 15 KTS. ASH BETWEEN FL300 TO FL400 WILL MOVE TO THE WEST AT 20 TO 35 KTS. . 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 AT 20/1700 UTC AS A WATCH STATEMENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . RUMINSKI . NNNN