FVXX20 KWBC 010030 VOLCANIC ASH ADVISORY ISSUED: 2001AUG01/0030Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/197 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 31/1200Z UPPER AIR OBSERVATIONS FROM LE RAIZET AND JULIANA AIRPORT. . ERUPTION DETAILS: VOLCANIC ACTIVITY HAS DECREASED. . DETAILS OF ASH CLOUD: NO ASH WAS DETECTED IN SATELLITE IMAGERY THROUGH 2345Z AND THERE HAVE BEEN NO ADDITIONAL REPORTS OF ASH OVER THE LAST 6 HOURS. THE MONTSERRAT VOLCANO OBSERVATORY INDICATED THAT THE VOLCANO WAS QUIET ASIDE FROM A LOW AMOUNT OF SEISMIC ACTIVITY. . TRAJECTORY: ANY REMAINING ASH BELOW FL100 WOULD MOVE WEST SOUTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THIS WILL BE THE FINAL ADVISORY ISSUED FOR THIS EVENT. . 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. . TURK . NNNN