DVXX20 KWBC 020645 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0645 UTC 02 JULY 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-161 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY. GOES-8 INFRARED...AND MULTISPECTRAL IMAGERY. 0000 UTC GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 02/0610 UTC. . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN ERUPTION OF SOUFRIERE HILLS BETWEEN FL100 TO FL150 WITH ASH MOVING WESTWARD AT 15 TO 20KTS. EXTENSIVE CLOUDS IN THE AREA PREVENT DETECTION OF ANY ASH. WE WILL MONITOR THE AREA AND SEND OUT A DETAILED DESCRIPTION OF THE ASH FROM SATELLITE IF ASH CAN BE DETECTED. . TRAJECTORY: ASH UP TO FL150 WILL MOVE WEST AT 15 TO 20 KTS. . 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 WILL BE AT 02/1230 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN