FVXX22 KWBC 220730 VOLCANIC ASH ADVISORY ISSUED 0730 UTC 22 AUG 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-163 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. GUADELOUPE UPPER AIR SOUNDING. 6 HOUR WIND FORECAST FROM THE 22/0000 UTC AVIATION MODEL. . ERUPTION DETAILS: ROCKFALLS AND MANY SMALL SCALE ASH EMISSIONS . DETAILS OF ASH CLOUD: ASH IS NOT VISIBLE IN THE SATELLITE IMAGERY THROUGH 22/0715 UTC NOR HAS IT BEEN SEEN IN THE IMAGERY FOR THE PAST 24 HOURS. . TRAJECTORY: ASH FROM THE SUMMIT TO FL100 WILL MOVE TOWARDS THE SOUTH-SOUTHWEST AT 30 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 22/1330 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. . WALTER . NNNN