FVXX20 KWBC 250630 VOLCANIC ASH ADVISORY ISSUED 0630 UTC 25 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-173 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. GUADELOUPE UPPER AIR SOUNDING. . ERUPTION DETAILS: LOW LEVEL ASH EMISSIONS . DETAILS OF ASH CLOUD: ASH IS NOT SEEN ON THE INFRARED SATELLITE IMAGERY THROUGH 25/0415 UTC. FAINT ASH WAS EVIDENT IN VISIBLE IMAGERY AT 24/1745 UTC MOVING TO THE WEST. . TRAJECTORY: ANY ASH BELOW FL070 WILL MOVE TOWARDS THE WEST AT 20 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 25/1230 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. . KARST . NNNN