FVXX23 KWBC 091330 VOLCANIC ASH ADVISORY ISSUED 1330 UTC 09 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-128 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 VISIBLE ... INFRARED AND MULTISPECTRAL IMAGERY. MONTSERRAT VOLCANO OBSERVATORY. GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: NEARLY CONTINUOUS ASH AND STEAM EMISSIONS. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 09/1302 UTC. HOWEVER THE MONTSERRAT VOLCANO OBSERVATORY IS REPORTING OCCASIONAL ROCKFALL SIGNALS THAT MAY PRODUCE ASH. PREVIOUS ASH HEIGHTS WERE REPORTED UP TO FL050. . TRAJECTORY: ANY ASH PRESENT FROM THE SUMMIT TO FL050 WOULD MOVE TOWARDS THE SOUTHWEST AT UP TO 15 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 09/1930 UTC. . REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . NNNN