FVXX25 KWBC 291810 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1810 UTC 29 JAN 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-015 NICARAGUA 1242N 8700W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE..INFRARED AND MULTISPECTRAL IMAGERY...INETER GEOPHYSICAL LAB IN MANAGUA...0600 UTC AVN MODEL DATA. . ERUPTION DETAILS: SATELLITE IMAGERY DEPICTED A BRIEF ERUPTION AT ABOUT 1415 UTC. . DETAILS OF ASH CLOUD: A SHORT DURATION ERUPTION WAS SEEN IN HIGH RESOLUTION VISIBLE SATELLITE IMAGERY AT 1415 UTC. THE ASH WAS SUBSEQUENTLY SEEN TRACKING TO THE WEST SOUTHWEST TOWARD THE PACIFIC OCEAN AND WAS NO LONGER DISCERNABLE BY 1545 UTC. INETER CONFIRMS THAT THE VOLCANO IS CURRENTLY ACTIVE. IT IS ESTIMATED THAT THE ERUPTION WAS A NEAR SUMMIT EVENT WITH ASH REACHING TO APPROXIMATELY FL080. . TRAJECTORY: ANY LINGERING ASH BETWEEN FL050 AND FL080 WOULD MOVE TOWARD THE WEST SOUTHWEST AT 15-20 KNOTS. . OUTLOOK: SEE SIGMETS . THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 30/0030 UTC. . 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . RUMINSKI/NOAA/NESDIS/SAB . NNNN