FVXX20 KNES 182343 VOLCANIC ASH ADVISORY ISSUED: 20060818/2342Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1642 W06210 AREA: W_INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2006/462 INFORMATION SOURCE: GOES-12. GFS WINDS. MONTSERRAT OBSERVATORY. PILOT REPORT. ERUPTION DETAILS: CONTINUOUS ASH VENTING OBS ASH DATE/TIME: 18/2315Z OBS ASH CLOUD: SFC/FL080 10NM WIDE LINE BETWEEN N1657 W06357 - N1643 W06211. ASH IS MOVING W 5-10 KNOTS. FCST ASH CLOUD +6H: 19/0530Z SFC/FL080 10NM WIDE LINE BETWEEN N1710 W06358 - N1643 W06211. FCST ASH CLOUD +12H: 19/1130Z SFC/FL080 10NM WIDE LINE BETWEEN N1708 W06359 - N1643 W06211. FCST ASH CLOUD +18H: 19/1730Z SFC/FL080 N1732 W06350 - N1643 W06211 - N1714 W06357 - N1732 W06350 REMARKS: A THIN LINE OF FAINT ASH CAN BE SEEN EXTENDING 100 NM WEST OF THE SUMMIT. THE LINE IS APPROXIMATELY 10 NM WIDE. THE HEIGHT IS ESTIMATED TO FL080. NO HOTSPOT ACTIVITY HAS BEEN DETECTED IN THE LAST 6 HOURS. WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 20060819/0545Z NNNN