FVXX20 KWBC 300545 VOLCANIC ASH ADVISORY ISSUED 0545 UTC 30 JUN 2000 BY THE WASHINGTON VAAC . . SOUFRIERE HILLS 00-103 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. MONTSERRAT VOLCANO OBSERVATORY. . ERUPTION DETAILS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS ROCKFALLS AT THE VOLCANO CREATING ASH TO FL080. THE ASH IS MOVING TO THE WEST SOUTHWEST AT 20 KTS. . DETAILS OF ASH CLOUD: THERE IS NO ASH EVIDENT IN SATELLITE IMAGERY THROUGH 30/0515 UTC. ACCORDING TO UPPER AIR FORECASTS ANY ASH WOULD MOVE TO THE WEST SOUTHWEST AT 20 KTS. . TRAJECTORY: ANY ASH FROM THE SUMMIT TO FL080 WOULD MOVE TO THE WEST SOUTHWEST AT 20 KTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE SENT AT 30/1200 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. . KARST . NNNN