FVXX22 KWBC 250850 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0850 UTC 25 FEB 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-048 NICARAGUA 1242N 8700W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745M) . SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY... . ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH AND GAS EMISSION. . DETAILS OF ASH CLOUD: THE LATEST GOES-8 INFRARED AND MULTISPECTRAL IMAGERY ENDING AT 25/0815 UTC SHOWS NO EVIDENCE OF ASH. HOWEVER VISIBLE IMAGERY DURING THE DAYLIGHT HOURS SHOWED A CONTINUOUS PLUME OF LOW-LEVEL ASH/GAS MOVING TOWARD THE WEST-SOUTHWEST. THE PLUME IS ESTIMATED AS HIGH AS FL080. IN A FEW HOURS THE FIRST VISIBLE IMAGES WILL CONFIRM AGAIN THE LEVEL OF ACTIVITY. . TRAJECTORY: ASH FROM THE SUMMIT TO FL080 WOULD MOVE TOWARD THE WEST-SOUTHWEST AT ABOUT 10-20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 25/1500 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. . ORRISON . NNNN