FVXX22 KWBC 070800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 07 SEP 2000 BY THE WASHINGTON VAAC . SOUFRIERE HILLS 00-211 WEST INDIES 1643N 6211W . BACKGROUND: SOUFRIERE HILLS MONTSERRAT (1600-05) SUMMIT HEIGHT 3000 FT (915M) . SOURCES OF INFORMATION: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 0000 UTC GUADELOUPE RADIOSONDE. . ERUPTION DETAILS: ROCKFALLS AND SMALL PYROCLASTIC FLOWS. . DETAILS OF ASH CLOUD: ASH IS NOT SEEN IN THE SATELLITE IMAGERY THROUGH 07/0715 UTC. HOWEVER THERE HAS BEEN A RATHER PERSISTENT HOT SPOT NOTED WHICH SUGGESTS THAT THERE IS SOME ACTIVITY ONGOING. ASH HAS BEEN LOW-LEVEL IN NATURE TO THIS POINT AND THUS IS ONLY DETECTABLE IN VISIBLE SATELLITE IMAGERY. ASH HAS BEEN CONFINED BELOW FL100. . TRAJECTORY: ANY ASH AT FL100 WILL MOVE TOWARDS THE WEST-SOUTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 07/1400 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. . ORRISON . NNNN