FVXX20 KWBC 180630 VOLCANIC ASH ADVISORY ISSUED: 2001JAN18/0630Z VAAC: WASHINGTON . VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: 1643N 6211W AREA: CARIBBEAN . SUMMIT ELEVATION: 3000 FT (915 M) . ADVISORY NUMBER: 2001/63 INFORMATION SOURCE: GOES-8 INFRARED AND MULTISPECTRAL IMAGERY. 00Z UPPER AIR SOUNDING FROM GUADELOUPE. 6 HOUR WIND FORECAST FROM 00Z AVIATION MODEL. . ERUPTION DETAILS: ROCKFALLS PRODUCING LOW LEVEL ASH. . DETAILS OF ASH CLOUD: NO ASH COULD BE DISCERNED IN EITHER INFRARED OR MULTISPECTRAL SATELLITE IMAGERY THROUGH 18/0545Z. A DISTINCT HOT SPOT REMAINS EVIDENT IN NEAR INFRARED IMAGERY WHEN SKIES CLEAR OVER THE VOLCANO. ASH WAS SEEN IN THE LAST VISIBLE IMAGES OF THE DAY AT 17/2115Z AND WAS ESTIMATED TO BE BELOW FL070. . TRAJECTORY: ASH BELOW FL070 WILL MOVE TOWARD THE WEST-SOUTHWEST AT 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 18/1230. . 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