FVXX22 KWBC 240330 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0330 UTC 24 FEB 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-043 NICARAGUA 1242N 8700W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745M) . SOURCES OF INFORMATION: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY...AVIATION MODEL UPPER-AIR SOUNDING DATA . ERUPTION DETAILS: CONTINUOUS LOW LEVEL ASH AND GAS EMISSION. . DETAILS OF ASH CLOUD: GOES-8 MULTISPECTRAL AND INFRARED IMAGERY THROUGH 24/0145 UTC DOES NOT INDICATE ANY SIGNS OF ASH LEAVING THE SUMMIT. HOWEVER VISIBLE IMAGERY THROUGHOUT THE DAY SHOWED A CONTINUOUS PLUME OF ASH MOVING OFF TO THE WEST. THUS THE ASH IS LOW-LEVEL IN NATURE AND WILL BE VERY DIFFICULT TO DETECT OVERNIGHT. THE ASH IS BELIEVED TO BE NEAR-SUMMIT WITH A HEIGHT PERHAPS AS HIGH AS FL080. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL080 SHOULD MOVE TO THE WEST-SOUTHWEST AT 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 24/0945 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