FVXX20 KWBC 120230 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0230 UTC 12 JULY 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-175 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY ERUPTION DETAILS: ERUPTION OCCURRED AT ABOUT 11/1920 UTC. . DETAILS OF ASH CLOUD: THE ASH PLUME FROM THE LATEST ERUPTION NOTED DISSIPATING NEAR 17.0N 62.7W IN VISIBLE IMAGERY 11/2215 UTC. INFRARED AND MULTISPECTRAL IMAGERY THROUGH 0102 UTC DID NOT REVEAL ANY ASH CLOUD. . 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. . THIS WILL BE THE FINAL MESSAGE ISSUED ON THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN