FVXX20 KWBC 130300 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0300 UTC 13 NOV 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-085 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA ECUADOR (1502-02) SUMMIT HEIGHT 15695 FT (4784 M) . SOURCES OF INFORMATION: USGS PERSONNEL IN QUITO...GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. UPPER AIR WIND REPORTS FROM THE INSTITUTO GEOFISICO IN QUITO. . ERUPTION DETAILS: GUAYAQUIL METEOROLOGICAL WATCH OFFICE REPORTED AN ERUPTION OF THE GUAGUA PICHINCHA VOLCANO TO FL250-280 AT 1909 UTC. . DETAILS OF ASH CLOUD: NO RESIDUAL ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 0215 UTC. USGS PERSONNEL REPORTS NO FURTHER ACTIVITY SINCE THE ERUPTION AT 1909 UTC. . TRAJECTORY: UPPER AIR PATTERNS MEASURED BY THE INSTITUTO SUGGEST ANY ASH BELOW FL300 TO MOV NORTH NORTHWEST AT 10 TO 15 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. . THIS WILL BE THE LAST WARNING STATEMENT ISSUED FOR THIS EVENT. DUE TO THE ACTIVE STATUS OF THE VOLCANO...A WATCH STATEMENT WILL BE ISSUED AT 13/1700 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . HUGHES/NOAA/NESDIS/SAB - POWER/USGS . NNNN