FVXX20 KWBC 281300 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1300 UTC 28 JUNE 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-160 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: MONTSERRAT VOLCANO OBSERVATORY. PIARCO MWO. GOES-8 VISIBLE... INFRARED...AND MULTISPECTRAL IMAGERY. 0000 UTC GUADELOUPE UPPER AIR SOUNDING. 12Z AVN FORECAST FOR GUADELOUPE. 09Z SATELLITE DERIVED WINDS. . ERUPTION DETAILS: ERUPTION AT APPROXIMATELY 28/0630 UTC. . DETAILS OF ASH CLOUD: GOES-8 VISIBLE IMAGERY THROUGH 1230 UTC DOES NOT INDICATE ASH. . TRAJECTORY: ASH BELOW FL070 WOULD MOVE WEST AT 20 TO 25 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. . THIS IS THE LAST MESSAGE FOR THIS EVENT. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN