FVXX22 KWBC 090725 VOLCANIC ASH ADVISORY ISSUED 0725 UTC 09 SEP 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-219 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. SIX HOUR WIND FORECAST FROM THE 08/1800 UTC AVIATION MODEL. 0000 UTC GUADELOUPE RADIOSONDE. . ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS. . DETAILS OF ASH CLOUD: WITH BROKEN CLOUDS MOVING INTO THE EASTERN CARIBBEAN NO ASH COULD BE DETECTED IN SATELLITE IMAGERY THROUGH 09/0645 UTC. HOWEVER LOW LEVEL ASH IS USUALLY UNDETECTABLE AT NIGHT IN INFRARED AND MULTISPECTRAL SATELLITE IMAGERY AND A WELL DEFINED HOTSPOT IS PRESENT IN THE SHORTWAVE IMAGERY. . TRAJECTORY: ANY ASH BELOW FL070 WOULD MOVE TOWARDS THE NORTHWEST BETWEEN 5 AND 10 KNOTS WHILE ASH BETWEEN FL070 AND FL100 WOULD MOVE TOWARDS THE WEST AT AROUND 5 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 09/1330 UTC. . REAL TIME SATELLITE IMAGERY AND 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. . TURK . NNNN