FVXX23 KWBC 091930 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1930 UTC 09 DEC 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-269 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 VISIBLE SATELLITE IMAGERY...1200 UTC SOUNDING FROM GUADELOUPE. . ERUPTION DETAILS: ERUPTION AROUND 08/1715 UTC. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN THE LATEST GOES-8 VISIBLE SATELLITE IMAGERY ENDING AT 1845 UTC. . TRAJECTORY: MOVEMENT WAS TO THE SOUTHWEST AT 10 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 http://www.ssd.noaa.gov/VAAC/washington.html (all lower case except /VAAC/) . OUTLOOK: SEE SIGMETS. . EFFECTIVE JANUARY 3 2000 AT 0000 UTC... ALL REFERENCES TO LATITUDE AND LONGITUDE IN VOLCANIC ASH ADVISORY STATEMENTS WILL BE IN DEGREES AND MINUTES OF A DEGREE. EXAMPLE... 16.70N 62.20W WILL BE 1642N6212W . THE IS THE LAST STATEMENT FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . . NNNN