FVXX20 KWBC 150555 VOLCANIC ASH ADVISORY ISSUE: 2003JUL15/0550Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915 M) ADVISORY NUMBER: 2003/589 INFORMATION SOURCE: GOES-12 IMAGERY. UPPER AIR SOUNDING. MONTSERRAT VOLCANO OBSERVATORY. ERUPTION DETAILS: ERUPTION AT 15/0530Z. OBS ASH DATE/TIME: 15/0515Z OBS ASH CLOUD: ASH NOT IDENTIFIABLE FROM SATELLITE DATA. WINDS SFC/FL050 MOVING SW 15 KNOTS. WINDS FL050/FL100 MOVING SW 25 KNOTS. WINDS FL100/FL200 MOVING W 10-15 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS AND VAFTAD. REMARKS: THE MONTSERRAT VOLCANO OBSERVATORY REPORTED AN EXPLOSIVE ERUPTION OF SOUFRIERE HILLS AT 15/0530Z. NO HEIGHT OR DIRECTION OF PLUME WAS AVAILABLE. SATELLITE IMAGERY IS ONLY AVAILABLE THROUGH 15/0515Z. ONCE IMAGERY BECOMES AVAILABLE ANOTHER VAA WILL BE ISSUED AS SOON AS POSSIBLE IF ASH IS VISIBLE. NEXT ADVISORY: WILL BE ISSUED BY 2003JUL15/1200Z. NNNN