FVXX20 KWBC 300810 VOLCANIC ASH ADVISORY ISSUED: 2001JUL30/0810Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/189 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL SATELLITE IMAGERY. SIX HOUR WIND FORECAST FROM THE 0000Z AVIATION MODEL . ERUPTION DETAILS: INCREASED ASH AND SEISMIC ACTIVITY. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 30/0745Z SHOWS NO CURRENT ASH PLUME OR HOT SPOTS. CONVECTIVE ACTIVITY ASSOCIATED WITH A TROPICAL WAVE PASSING OVER THE ISLAND MAY BE OBSCURING ASH. . TRAJECTORY: ANY ASH BELOW FL100 WOULD MOVE TOWARD THE WEST AT 20 TO 30 KNOTS. ASH BETWEEN FL100 AND FL200 WOULD MOVE TOWARD THE NORTHWEST AT 30 TO 35 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 30/1400Z. . 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. . NNNN