FVXX21 KNES 211207
VOLCANIC ASH ADVISORY
ISSUED: 2006MAY21/1206Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1642 W06210   AREA: W_INDIES

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/374

INFORMATION SOURCE: GOES-12. GFS WINDS. 

ERUPTION DETAILS: DOME COLLAPSE 20/1100Z AND
ONGOING EMISSIONS

OBS ASH DATE/TIME: 21/1115Z

OBS ASH CLOUD: SFC/FL070 25NM WIDE LINE BETWEEN
N1646 W06530 - N1644 W06211. ASH IS MOVING W 15-20
KNOTS. SFC/FL230 N1753 W06717 - N1658 W06556 -
N1622 W06515 - N1610 W06548 - N1556 W06606 - N1511
W06634 - N1414 W06520 - N1350 W06526 - N1411
W06631 - N1435 W06823 - N1433 W06958 - N1500
W07125 - N1547 W07123 - N1653 W07005 - N1711
W06925 - N1753 W06717 MOVING W 10 KNOTS. SFC/FL370
N1430 W07007 - N1353 W06554 - N1207 W06556 - N1044
W06605 - N1110 W06955 - N1430 W07007 MOVING W
15-20 KNOTS. 

FCST ASH CLOUD +6H: 21/1730Z SFC/FL230 N1810
W07042 - N1810 W06755 - N1347 W06735 - N1406
W07135 - N1810 W07042 SFC/FL370 N1426 W07141 -
N1414 W06830 - N1058 W06836 - N1108 W07152 - N1426
W07141 SFC/FL070 25NM WIDE LINE BETWEEN N1810
W06311 - N1643 W06208. 

FCST ASH CLOUD +12H: 21/2330Z SFC/FL230 N1835
W07232 - N1823 W06847 - N1340 W06857 - N1405
W07327 - N1835 W07232 SFC/FL370 NO VA
EXP.SFC/FL070 25NM WIDE LINE BETWEEN N1820 W06307
- N1644 W06207. 

FCST ASH CLOUD +18H: 22/0530Z SFC/FL230 N1850
W07447 - N1830 W07001 - N1350 W07022 - N1425
W07558 - N1850 W07447 SFC/FL070 25NM WIDE LINE
BETWEEN N1734 W06352 - N1641 W06208. 

REMARKS: VISIBLE SATELLITE IMAGERY REVEALED A
LARGER AREAL COVERAGE OF ASH THAN PREVIOUSLY
ANALYSED.  ASH TO FL370 WAS ALONG THE NORTHERN
COAST OF SOUTH AMERICA AND THE SOUTHERN CARIBBEAN.
 ASH TO FL230 WAS SOUTH OF PUERTO RICO AND THE
DOMINICAN REPUBLIC.  IN ADDITION ASH CONTINUES TO
BE EMITTED FROM THE VOLCANO AND A PLUME TO FL070
EXTENDED APPROXIMATELY 200 NMI TO THE WEST OF THE
SUMMIT AT 1115Z. ...TURK

NEXT ADVISORY: WILL BE ISSUED BY 2006MAY21/1800Z

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