FVXX20 KNES 272317 VOLCANIC ASH ADVISORY ISSUED: 20100127/2317Z VAAC: WASHINGTON VOLCANO: SOUFRIERE HILLS 1600-05 LOCATION: N1643 W06210 AREA: W INDIES SUMMIT ELEVATION: 3002 FT (915 M) ADVISORY NUMBER: 2010/120. INFORMATION SOURCE: GOES-12. VOLCANO WEBCAM. GFS MODEL WINDS. ERUPTION DETAILS: CONTINUOUS ASH/STEAM EMISSIONS OBS ASH DATE/TIME: 27/2232Z OBS ASH CLOUD: SFC/FL070 20NM WIDE LINE BTN N1645 W06212 - N1605 W06354 MOV WSW AT 5-10KT. SFC/FL220 15NM WIDE LINE BTN N1638 W06217 - N1632 W06225. MOV SW 10-15KTS FCST ASH CLOUD +6H: 28/0430Z SFC/FL070 25NM WID LINE BTN N1645 W06212 - N1557 W06422. SFC/FL220 NO ASH EXP. FCST ASH CLOUD +12H: NOT AVBL. FCST ASH CLOUD +18H: NOT AVBL. REMARKS: AFWA FOR WASHINGTON VAAC. ASH VISIBLE ON 27/2232Z GOES-12 IR IMAGE EXTENDING 100 NM WSW OF SUMMIT. NEW ASH/STEAM PLUME IS VISIBLE EXTENDING 15NM SW OF SUMMIT, WITH WNDS FCST CONFIRMING HEIGHT TO FL220, CONFIRMED BY SIGMET. HIGHER PLUME IS NOT EXPTD TO LAST TO 6HR FCST TIME. DUE TO TECHNICAL DIFFICULTIES, FCST BEYOND 12HR AND VAG WILL NOT BE ISSUED. ...BEYE NEXT ADVISORY: WILL BE ISSUED BY 20100128/0530Z.