FVXX20 KWBC 170630 VOLCANIC ASH ADVISORY ISSUED: 2001JAN17/0630Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/59 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 00Z GUADELOUPE SOUNDING. 6 HOUR WIND FORECAST FROM 00Z AVIATION MODEL. . ERUPTION DETAILS: ROCKFALLS PRODUCING LOW LEVEL ASH. . DETAILS OF ASH CLOUD: GOES-8 SATELLITE IMAGERY THROUGH 0545Z DOES NOT SHOW ANY ASH BUT THERE CONTINUES TO BE A HOTSPOT IN SHORTWAVE IMAGERY. LOW LEVEL ASH FROM THIS TYPE OF ERUPTION IS NOT USUALLY DETECTABLE IN INFRARED IMAGERY. THE LAST VISIBLE IMAGE AT 2045Z SHOWED A PLUME EXTENDING TO THE POINT 1616N 6314W. THE PLUME WAS 122KM (65NMI) LONG AND UP TO 30KM (17NMI) WIDE AT THE POINT FURTHEST FROM THE VOLCANO. THE CURRENT ESTIMATE OF THE ASH HEIGHT REMAINS BELOW FL070. . TRAJECTORY: ASH BELOW FL070 WILL MOVE TOWARD THE WEST-SOUTHWEST AT 10 TO 15 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 17/1230. . 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. . RUMINSKI . NNNN