FVXX23 KWBC 090730 VOLCANIC ASH ADVISORY ISSUED 0730 UTC 09 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-127 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WINDS FORECAST FROM THE AVIATION MODEL. . ERUPTION DETAILS: NEARLY CONTINUOUS ASH AND STEAM EMISSIONS. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN MULTISPECTRAL AND INFRARED SATELLITE IMAGERY THROUGH 09/0702 UTC. HOWEVER VISIBLE SATELLITE IMAGERY THE PAST TWO DAYS HAS INDICATED A NEARLY CONTINUOUS LOW LEVEL FAINT PLUME OF ASH AND/OR GASES EMANATING FROM THE VOLCANO. THE LAST VISIBLE IMAGERY AT 08/2115 UTC SHOWED A PLUME EXTENDING FROM THE SUMMIT WESTWARD FOR ABOUT 90KM (50 NMI). THE HEIGHT IS ESTIMATED SLIGHTLY ABOVE SUMMIT LEVEL OR UP TO FL050. . TRAJECTORY: ANY ASH PRESENT FROM THE SUMMIT TO FL050 WOULD MOVE TOWARDS THE SOUTHWEST AT 10 TO 20 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 09/1330 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. . CLARK . NNNN