FVXX20 KWBC 212200 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2200 UTC 21 JULY 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-186 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 VISIBLE AND MULTISPECTRAL IMAGERY THROUGH 21/2115 UTC. ERUPTION DETAILS: ERUPTION OCCURRED AT ABOUT 20/0910 UTC. . DETAILS OF ASH CLOUD: THERE HAVE BEEN NO FURTHER PILOT REPORTS OF ASH IN THE VICINITY OF PUERTO RICO AND THE VIRGIN ISLANDS. ASH IS NO LONGER DETECTED IN SATELLITE IMAGERY. . TRAJECTORY: N/A . 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 AND VAFTAD. . THIS WILL BE THE LAST MESSAGE FOR THIS EVENT. . . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN