FVXX20 KWBC 050230 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0230 UTC 05 OCTOBER 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-024 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA (1502-02) SUMMIT HEIGHT 15,695FT (4784 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY . ERUPTION DETAILS:ERUPTION OCCURRED AROUND 04/1800 UTC TO FL310. DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 0145 UTC DID NOT REVEAL ANY ASH CLOUD. NO ADDITIONAL REPORTS OF ACTIVITY HAVE BEEN RECEIVED. . 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 www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS AND VAFTAD. . THIS WILL BE THE FINAL WARNING MESSAGE ISSUED ON THIS EVENT. WATCH STATEMENTS WILL BE RESUMED WITH THE NEXT WATCH ISSUED AROUND 06/0300 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN