FVXX23 KWBC 182200 VOLCANIC ASH ADVISORY STATEMENT ISSUED 2200 UTC 18 JAN 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-009 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. AVN MODEL WINDS VALID AT 18/1200 UTC. . ERUPTION DETAILS: POSSIBLE SMALL ERUPTION AT 17/2000 UTC. . DETAILS OF ASH CLOUD: GOES-8 IMAGERY THROUGH 2115 UTC SHOWS A VERY FAINT PLUME OF ASH AND PROBABLY GAS EMANATING FROM SAN CRISTOBAL. THERE IS NO ASH SIGNATURE IN THE MULTISPECTRAL IMAGERY SO SUSPECT PLUME IS LOW LEVEL AND MOSTLY GAS. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ANY ASH BELOW FL010 WOULD MOVE SOUTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE LATEST SIGMETS. . THIS IS THE FINAL STATEMENT FOR THIS EVENT. . 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/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . BROWN NOAA/NESDIS/SAB . NNNN