FVXX23 KWBC 191920 VOLCANIC ASH ADVISORY STATEMENT...CORRECTION ISSUED 1850 UTC 19 FEB 2000 BY THE WASHINGTON VAAC . CORRECTION FOR NEXT STATEMENT DATE/TIME AND ASH HEIGHT . SAN CRISTOBAL 00-030 NICARAGUA 1242N 8700W . BACKGROUND: SAN CRISTOBAL NICARAGUA (1404-02) SUMMIT HEIGHT 5725 FT (1745 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE INFRARED AND MULTISPECTRAL IMAGERY. CHINANDEGA SURFACE OBSERVATION. 6 HOUR WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: EMISSION OF ASH AND GASES BEGINNING TIME UNKNOWN. . DETAILS OF ASH CLOUD: THE CHINANDEGA SURFACE OBSERVATION AT 1700 UTC INDICATES A RESTRICTION TO VISIBILITY DUE TO ASH. EVEN WITH ONLY A FEW CLOUDS IN THE AREA GOES-8 IMAGERY THROUGH 1815 SHOWS NO DETECTION OF ASH. IT IS ASSUMED TO BE THE STANDARD LOW LEVEL ACTIVITY OCCASIONALLY REPORTED FROM THIS VOLCANO AND IS BELOW FL060. . TRAJECTORY: ANY ASH AT OR BELOW FL060 WILL MOVE WEST SOUTHWEST AROUND 15 TO 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 20/0100. . 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. . NNNN