FVXX20 KWBC 262300 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2300 UTC 26 MAR 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-071 WEST INDIES 16.72N 62.18W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915 M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 26/1200 UTC GUADELOUPE SOUNDING. MONTSERRAT VOLCANO OBSERVATORY. . ERUPTION DETAILS: ERUPTION BEGINNING AROUND 26/2245 UTC . DETAILS OF ASH CLOUD: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS ANOTHER ERUPTION OF SOUFRIERE HILLS TO FL090. THE PLUME WAS MOVING WESTWARD. THE ASH IS NOT DISCERNIBLE IN GOES 8 SATELLITE IMAGERY. . TRAJECTORY: ANY ASH BELOW FL100 WILL MOVE TOWARDS THE WEST AT 15 TO 20 KTS. . 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 SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 27/0500 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN