FVXX21 KNES 111854 VOLCANIC ASH ADVISORY ISSUED: 2005AUG11/1848Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643W06211 AREA: W_INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2005/128 INFORMATION SOURCE: GOES-12. GFS MODEL WINDS. RADIOSONDE. ERUPTION DETAILS: CONTINUOUS EMISSION OF ASH OBS ASH DATE/TIME: 11/Z OBS ASH CLOUD: SFC/FL080 N1744W06446 - N1643W06211 - N1713W06426 - N1621W06717 - N1744W06446 MOVING NW 10 KNOTS. FCST ASH CLOUD +6H: 12/0000Z SFC/FL080 N1752W06519 - N1643W06211 - N1727W06522 - N1656W06705 - N1752W06519 FCST ASH CLOUD +12H: 12/0600Z SFC/FL080 N1801W06545 - N1643W06212 - N1733W06558 - N1725W06659 - N1801W06545 FCST ASH CLOUD +18H: 12/1200Z SFC/FL080 N1816W06622 - N1643W06211 - N1746W06652 - N1816W06622 REMARKS: ASH CONTINUES TO BE VISIBLE IN THE CURRENT SATELLITE ANIMATION. CURRENTLY THE ASH EXTENDS 165 NM TO THE NORTHWEST AWAY FROM THE SUMMIT. WALTER ... NEXT ADVISORY: WILL BE ISSUED BY 2005AUG12/0045Z NNNN