FVXX20 KWBC 141045 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 1655 UTC 14 JAN 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-014 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: GOES-8 VISIBLE ... INFRARED...AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. 1200 UTC GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: ERUPTION OCCURRED AROUND 14/0745 AND 1638 UTC. . DETAILS OF ASH CLOUD: NO ASH CLOUD IS CURRENTLY VISIBLE IN SATELLITE IMAGERY. BROKEN MULTI-LAYERED METEOROLOGICAL CLOUDS CAN BE SEEN EAST OF THE ISLAND AND SLOWLY MOVING OVER THE ISLAND. THE MONTSERRAT VOLCANO OBSERVATORY REPORTS TWO SMALL LOW LEVEL EVENTS HAVE OCCURRED THIS MORNING WHICH PRODUCED ASH. THE MOST RECENT WAS APPROXIMATELY TWO MINUTES IN DURATION. THESE SMALL LOW LEVEL EVENTS ARE EXPECTED TO CONTINUE PERIODICALLY PRODUCING ASH. . TRAJECTORY: UPPER AIR PATTERNS SUGGEST ASH UP TO FL100 WOULD MOVE WEST NORTHWEST AT 15 TO 25 KNOTS. . 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/messages.html (all lower case except /VAAC/) . OUTLOOK: SEE LATEST SIGMETS AND VAFTAD. . THE NEXT MESSAGE FOR THIS EVENT WILL BE ISSUED BY 14/2300 UTC UNLESS NEW INFORMATION IS RECEIVED OR ASH IS DETECTED IN VISIBLE IMAGERY. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN