FVXX20 KWBC 250600 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0600 UTC 25 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-108 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. . ERUPTION DETAILS: AN ERUPTION WAS REPORTED AT 24/1733 UTC. . DETAILS OF ASH CLOUD: THE AREA REMAINS SHROUDED IN THICK METEOROLOGICAL CLOUDS WITH NO ASH DETECTABLE THROUGH 0515 UTC. NO INFORMATION HAS BEEN RECEIVED OF ADDITIONAL ERUPTIONS. . TRAJECTORY: N/A . 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. . THIS WILL BE THE FINAL WARNING STATEMENT ISSUED FOR THIS EVENT. WATCH STATEMENTS WILL BE RESUMED AT 25/1700 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . TURK . NNNN