FVXX20 KNES 211132
VA ADVISORY
DTG: 20091021/1131Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2009/086

INFO SOURCE: GOES-12. NAM WINDS. 

ERUPTION DETAILS: ONGOING ROCKFALLS AND EMISSIONS
OF GASES AND ASH

OBS VA DTG: 21/1045Z

OBS VA CLD: SFC/FL080 50NM WID LINE BTN N1643
W06210 - N1600 W06425. MOV W 05KT SFC/FL110 N1706
W06125 - N1629 W06120 - N1622 W06203 - N1648
W06212 - N1706 W06125 MOV E 05KT 

FCST VA CLD +6HR: 21/1700Z SFC/FL080 50NM WID
LINE BTN N1641 W06209 - N1626 W06437. SFC/FL110
N1714 W06054 - N1546 W06058 - N1533 W06210 -
N1656 W06213 - N1714 W06054 

FCST VA CLD +12HR: 21/2300Z SFC/FL080 50NM WID
LINE BTN N1643 W06208 - N1546 W06450. SFC/FL110
NO ASH EXP

FCST VA CLD +18HR: 22/0500Z SFC/FL 50NM WID LINE
BTN N1642 W06209 - N1634 W06438. 

RMK: WITH FIRST VIS A PLUME CAN BE SEEN MOVG E
FROM THE ISLAND WHICH MAY BE FROM A ROCKFALL
AROUND 0815Z. EAST MOVG WINDS ABV FL080 TO FL110.
A LOWER PLUME IS SEEN MOVG W-SW. ALL WINDS ARE
LGT AND VRBL THEREFORE A LOT OF SPREAD IN FCST.  
...SWANSON

NXT ADVISORY: WILL BE ISSUED BY 20091021/1730Z

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