FVXX20 KWBC 102007 VOLCANIC ASH ADVISORY ISSUED: 2003MAR10/2000Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: CARIBBEAN SUMMIT ELEVATION: 3000 FT (915M) ADVISORY NUMBER: 2003/263 INFORMATION SOURCE: GOES-8 IMAGERY. UPPER AIR SOUNDING. PILOT REPORT. ERUPTION DETAILS: EMISSIONS OF GASES AND LIGHT ASH. OBS ASH DATE/TIME: 10/1915Z OBS ASH CLOUD: SFC/FL090 22 NM WIDE LINE OF ASH EXTENDING BETWEEN N1745W06222 N1730W06334. SFC/FL090 22 NM WIDE LINE OF ASH EXTENDING BETWEEN N1730W06329 N1642W06208. ASH MOVING NW 15-20 KNOTS. FCST ASH CLOUD +6H: SEE SIGMETS. REMARKS: THE LEADING EDGE OF A VERY FAINT AREA OF ASH EXTENDS OUT ROUGHLY 143 NM NORTHWEST FROM THE VOLCANO AND ASH WAS REPORTED BY AIRCRAFT OVER ST CROIX BELOW FL055. ANOTHER AREA OF ASH EXTENDS NORTHWEST (300 DEGREES) OFF THE ISLAND OF MONTSERRAT AROUND 90 NM AND IS ROUGHLY 22 NM WIDE. AN INTERMITTENT HOTSPOT CAN BE SEEN. NEXT ADVISORY: WILL BE ISSUED BY 2003MAR10/0200Z NNNN