FVXX22 KWBC 231000 VOLCANIC ASH ADVISORY STATEMENT ISSUED 1000 UTC 23 APR 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-069 NICARAGUA 1242N 8700W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 12 HOUR FORECAST FROM THE 23/0000 UTC AVIATION MODEL. . ERUPTION DETAILS: ASH OBSERVED IN SATELLITE IMAGERY. . DETAILS OF ASH CLOUD: DUE TO HIGH CLOUDS OVER THE AREA..ASH IS NOT SEEN ON THE SATELLITE IMAGERY THROUGH 23/0915 UTC. ASH WAS LAST SEEN ON SATELLITE IMAGERY AT 22/2115 UTC AND WAS BELIEVED TO BE BELOW FL100. . TRAJECTORY: ASH BELOW FL100 WOULD MOVE TOWARDS THE WEST-SOUTHWEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 23/1600 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. . WALTER . NNNN