FVXX22 KWBC 220830 VOLCANIC ASH ADVISORY STATEMENT ISSUED 0830 UTC 22 NOV 1999 BY THE WASHINGTON VAAC . SAN CRISTOBAL 99-003 NICARAGUA 12.7N 87.0W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745 M) SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY...22/0000 UTC AVIATION MODEL SOUNDING DATA. ERUPTION DETAILS: CHINANDEGA NICARAGUA SURFACE OBSERVATION AT 1900 UTC INDICATED THE PRESENCE OF VOLCANIC ASH OVER THE STATION. DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 22/0745 UTC SHOWS SCATTERED LOW AND MID LEVEL CLOUDS OVER THE AREA MAKING DETECTION OF ASH IMPOSSIBLE. . TRAJECTORY: ANY REMAINING ASH AT FL100 WOULD MOVE TOWARD THE SOUTH-SOUTHWEST AT 5KT. . 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/) . OUTLOOK: SEE LATEST SIGMETS. . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . WALTER/SAB/NOAA/NESDIS . NNNN