FVXX22 KWBC 230400 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0400 UTC 23 APR 2000 BY THE WASHINGTON VAAC . SAN CRISTOBAL 00-068 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 22/1800 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 23/0315 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 AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 23/1000 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