FVXX21 KWBC 280555 VOLCANIC ASH ADVISORY ISSUED: 2001JUL28/0555Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/185 . INFORMATION SOURCE: GOES-8 MULTISPECTRAL AND INFRARED SATELLITE IMAGERY. SIX HOUR WIND FORECAST FROM THE 28/0000Z AVIATION MODEL. . ERUPTION DETAILS: ONGOING ASH EMISSION THROUGH 27/2330Z. . DETAILS OF ASH CLOUD: NO CURRENT ASH PLUME CAN BE DISCERNED THROUGH 28/0532Z. THIS IS TYPICAL FOR LOW LEVEL PLUMES IN INFRARED AND MULTISPECTRAL IMAGERY. HOT SPOT ACTIVITY HAS ALSO DIMINISHED. . TRAJECTORY: ANY ASH PRESENT WILL MOVE WEST AT 18 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS . THE NEXT MESSAGE WILL BE ISSUED BY 28/1200Z. . 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