FVXX20 KNES 151902
VA ADVISORY
DTG: 20091215/1901Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2009/323

INFO SOURCE: GOES-12. GFS WINDS. RADIOSONDE.
PILOT REPORT. 

ERUPTION DETAILS: ONGOING ROCKFALLS AND VENTING
OF GASES AND ASH

OBS VA DTG: 15/1815Z

OBS VA CLD: SFC/FL100 35NM WID LINE BTN N1641
W06210 - N1528 W06821. MOV W 23KT 

FCST VA CLD +6HR: 16/0030Z SFC/FL100 40NM WID
LINE BTN N1643 W06208 - N1515 W06932. 

FCST VA CLD +12HR: 16/0630Z SFC/FL100 30NM WID
LINE BTN N1643 W06208 - N1548 W06658. 

FCST VA CLD +18HR: 16/1230Z SFC/FL100 30NM WID
LINE BTN N1641 W06207 - N1557 W06657. 

RMK: THE THICKER LEADING EDGE IS FINALLY
DISSIPATING.  THE TRAILING PART OF THE PLUME FOR
THE PAST 8 HRS IS NOT AS THICK AND IS DISSIPATING
FASTER.  ...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20091216/0100Z

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