FVXX23 WBC 281705 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1705 UTC 28 OCTOBER 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-239 WEST INDIES 16.2N 62.7W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY..GOES-8 INFRARED..MULTISPECTRAL IMAGERY AND GUADELOUPE 28/0000 UTC UPPER AIR SOUNDING. . ERUPTION DETAILS: ERUPTION OCCURRED AT 27/1651 UTC. . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY HAS INDICATED AN ERUPTION AT THE SOUFRIERE HILLS VOLCANO. THEY HAVE INDICATED ASH AT FL100 WITH THE ASH COLUMN POSSIBLY RISING FURTHER. AT THIS TIME THE GOES-8 SATELLITE IMAGERY DOES NOT COVER THE TIME OF THE ERUPTION. . TRAJECTORY: ASH MOVING TO THE WEST AT 15 TO 20 KNOTS AT FL100. . 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/) . OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 28/2300 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. ORRISON . NNNN