FVXX20 KWBC 122300 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2300 UTC 12 OCTOBER 1999 BY THE WASHINGTON VAAC . GUAGUA PICHINCHA 99-045 ECUADOR 0.17S 78.60W . BACKGROUND: GUAGUA PICHINCHA (1502-02) SUMMIT HEIGHT 15,695 FT (4784 M) . SOURCES OF INFORMATION:...GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: THE GEOPHYSICAL INSTITUTE REPORTED A SMALL ERUPTION OF GUAGUA AT 12/1958 UTC THAT PRODUCED NO ASH. . DETAILS OF ASH CLOUD: THERE WAS NO ASH PRODUCED FROM THE ERUPTION AT 12/1958 UTC. . 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 . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN