FVXX21 KNES 031231
VA ADVISORY
DTG: 20090103/1230Z

VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
PSN: N1642 W06210

AREA: W_INDIES

SUMMIT ELEV: 3002 FT (915 M)

ADVISORY NR: 2009/012

INFO SOURCE: GOES-13. GFS WINDS. MONTSERRAT
OBSERVATORY. 

ERUPTION DETAILS: LARGE ERUPTION AT 0900Z AND
1100Z

OBS VA DTG: 03/1115Z

OBS VA CLD: SFC/FL080 N1706 W06343 - N1658 W06223
- N1626 W06153 - N1614 W06207 - N1607 W06252 -
N1637 W06357 - N1635 W06504 - N1658 W06502 -
N1706 W06343 MOV W 15-20KT SFC/FL350 N1650 W06120
- N1650 W06053 - N1631 W06053 - N1614 W06128 -
N1640 W06139 - N1650 W06120 MOV SE 50-65KT
SFC/FL350 N1617 W05831 - N1536 W05807 - N1516
W05902 - N1549 W06014 - N1604 W05955 - N1553
W05916 - N1617 W05831 MOV SE 50-65KT SFC/FL250
N1729 W06155 - N1709 W06107 - N1651 W06120 -
N1640 W06140 - N1628 W06134 - N1631 W06158 -
N1650 W06216 - N1729 W06155 MOV SE 0KT 

FCST VA CLD +6HR: 03/1730Z SFC/FL350 N1715 W05719
- N1603 W05532 - N1456 W05547 - N1452 W05315 -
N1357 W05311 - N1426 W05558 - N1529 W05812 -
N1715 W05719 SFC/FL250 N1855 W06014 - N1715
W05719 - N1529 W05812 - N1646 W05922 - N1626
W06211 - N1652 W06212 - N1855 W06014 SFC/FL080
N1740 W06544 - N1653 W06212 - N1616 W06211 -
N1606 W06544 - N1740 W06544 

FCST VA CLD +12HR: 03/2330Z SFC/FL350 N1638
W05321 - N1456 W04806 - N1321 W04905 - N1430
W05405 - N1638 W05321 SFC/FL250 N1958 W05823 -
N1710 W05309 - N1516 W05349 - N1750 W06107 -
N1958 W05823 SFC/FL080 N1808 W06714 - N1732
W06117 - N1628 W06053 - N1557 W06340 - N1559
W06734 - N1808 W06714 

FCST VA CLD +18HR: 04/0530Z SFC/FL350 NO ASH
EXPSFC/FL250 N2120 W05629 - N1710 W04955 - N1440
W05147 - N1849 W06007 - N2120 W05629 SFC/FL080
N1831 W06813 - N1702 W06214 - N1616 W06210 -
N1552 W06359 - N1537 W06813 - N1708 W06935 -
N1831 W06813 

RMK: LRG ERUPTION OCCURRED AT 09Z AND AGAIN AT
11Z.  THE 11Z CLD IS LARGER AND MORE VA RICH. 
TOP OF VA COLUMN MVG SSE OVER 50KTS WHILE A
CONNECTING COLUMN BETWEEN SFC/FL250 CONNECTS TO
THE ISLAND AND MVS NE.  LOW LEVEL ASH MVG W MAY
AFFECT VIRGIN ISLANDS AND PR. ...GALLINA

NXT ADVISORY: WILL BE ISSUED BY 20090103/1830Z

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