FVXX20 KWBC 232030 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2030 UTC 23 May 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-140 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES 8 VISIBLE...INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. 1200 UTC GUADELOUPE SOUNDING . ERUPTION DETAILS: ERUPTION AT 23/0645 UTC. . DETAILS OF ASH CLOUD: LATEST GOES-8 IMAGERY SHOWS NO ASH SIGNATURES OF THE EARLIER ERUPTION. . TRAJECTORY: ANY REMAINING ASH BELOW FL100 WILL MOVE WESTERLY BETWEEN 15 TO 20 KNOTS. . 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/messages.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . THIS IS THE LAST MESSAGE ON THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN