FVXX20 KWBC 261050 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1050 UTC 25 JUNE 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-155 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY. . ERUPTION DETAILS: ERUPTION AT 25/1030 UTC. . DETAILS OF ASH CLOUD: MVO REPORTED A SMALL ASH CLOUD TO APPROX FL100 MOVING WEST OFF OF THE ISLAND. ASH CAN NOT BE DETECTED AS OF YET IN GOES INFRARED OR MULTISPECTRAL IMAGERY. . TRAJECTORY: MVO REPORTS THE ASH TO BE MOVING WEST AT ABOUT 10 TO 15 KNOTS. . 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. . THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 25/1700 UNLESS NEW INFORMATION IS RECEIVED. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN