FVXX20 KWBC 100857 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 0900 UTC 10 JULY 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-172 WEST INDIES 16.7N 62.2W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTI-SPECTRAL IMAGERY 10/0000 UTC GUADELOUPE SOUNDING MONTSERRAT VOLCANO OBSERVATORY REPORT ERUPTION DETAILS: ERUPTION OCCURRED AT ABOUT 10/0230 UTC TO ABOUT FL050. . DETAILS OF ASH CLOUD: NO ASH FROM THE ERUPTION IS VISIBLE AT THIS TIME. . TRAJECTORY: JUST SOUTH OF WEST AT 20KT. . 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 IS THE LAST MESSAGE ON THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN