FVXX20 KWBC 140341 VOLCANIC ASH ADVISORY ISSUE: 2003JUL14/0330Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/583 INFORMATION SOURCE: GOES-12 IMAGERY. GUADELOUPE UPPER AIR SOUNDING. MONTSERRAT VOLCANO OBSERVATORY. ERUPTION DETAILS: ERUPTION AROUND 13/1315Z. OBS ASH DATE/TIME: 14/0245Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/100 MOVING W 20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD. REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTS REDUCED ACTIVITY AT THE VOLCANO AND NO HOTSPOT IS DETECTED IN IMAGERY. THE HIGH AND MID LEVEL ASH CLOUDS NOTED 6 HOURS AGO HAVE EITHER MIXED WITH CLOUDS WEST OF 64 DEGREES WEST OR HAVE BECOME TO DIFFUSE TO BE DETECTED IN IMAGERY. THERE IS MOST LIKELY STILL A LOW LEVEL PLUME MOVING WEST OFF THE ISLAND BUT DUE TO DARKNESS AND IT BEING BELOW FL100 IT ALSO CAN NOT BE DETECTED AT THIS TIME. AT 14/00Z THE ST. KITT SURFACE OBSERVATION REPORTED VOLCANIC ASH. WE WILL CONTINUE TO MONITOR THE REGION AND IF ASH IS DETECTED AN UPDATE WILL BE ISSUED. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL14/0930Z. NNNN