FVXX20 KWBC 310745 VOLCANIC ASH ADVISORY CORRECTION ISSUED: 2001JUL31/0745Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/194 . INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 31/00Z UPPER AIR OBSERVATIONS FROM LE RAIZET ... SAN JUAN AND JULIANA AIRPORT. SURFACE OBSERVATIONS FROM CHRISTIANSTED. . ERUPTION DETAILS: ASH ACTIVITY HAS DECREASED. . DETAILS OF ASH CLOUD: SATELLITE IMAGERY THROUGH 31/0715Z SHOWS NO CURRENT ASH PLUME. ANY ASH REMAINING IS BEING OBSCURED BY CLOUDS OR IS TOO THIN TO BE VISIBLE IN INFRARED OR MULTISPECTRAL IMAGERY. SURFACE OBSERVATIONS FROM CHRISTIANSTED IN THE VIRGIN ISLANDS CONTINUE TO INCLUDE VOLCANIC ASH AND HAZE. . ***AVIATORS PLEASE CONTACT SAN JUAN AIRPORT FOR AIRPORT OPERATIONS STATUS*** . TRAJECTORY: ANY ASH BETWEEN FL150 AND FL200 WOULD MOVE SOUTHWEST AT 5 KNOTS. ASH BELOW FL100 WOULD MOVE WEST AT 5 TO 10 KNOTS. . OUTLOOK: SEE SIGMETS AND VAFTAD. . THE NEXT ADVISORY WILL BE ISSUED BY 31/1400Z. . 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