FVXX20 KWBC 012300 . VOLCANIC ASH ADVISORY STATEMENT ISSUED 2300 UTC 01 APR 1999 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 99-081 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 SATELLITE IMAGERY. 01/1200 UTC GUADELOUPE RADIOSONDE. . ERUPTION DETAILS: ERUPTION AT ABOUT 01/0445 UTC . DETAILS OF ASH CLOUD: ASH WAS NOT DETECTED ON THE SATELLITE IMAGERY THROUGH 01/2232 UTC. . TRAJECTORY: ANY REMAINING ASH WOULD MOVE TOWARD 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 02/0500 UTC. . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN