FVXX23 KWBC 071200 VOLCANIC ASH ADVISORY ISSUED 1200 UTC 07 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-119 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. WINDS FORECAST FROM THE AVIATION MODEL ERUPTION DETAILS: ERUPTION..PYROCLASTIC FLOW AROUND 07/0445 UTC AND ASH EMISSIONS AROUND 07/0625 UTC AND 07/0730 UTC. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 07/1045 UTC. HOWEVER A HOT SPOT OVER THE VOLCANO HAS APPEARED IN IMAGERY INDICATING ACTIVITY AT THE VOLCANO. THE MONTSERRAT VOLCANO OBSERVATORY REPORTED ASH FALL ON THE GROUND IN MANY OF THE VILLAGES AROUND THE VOLCANO OVERNIGHT. THE ASH FROM THE EMISSIONS OVERNIGHT HAVE MOST LIKELY DISSIPATED. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL100 WILL MOVE TOWARDS THE NORTHWEST AT 20 TO 30 KNOTS. OUTLOOK: SEE SIGMETS. . THE NEXT STATEMENT WILL BE ISSUED BY 07/1730 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