FVXX21 KNES 210018
VOLCANIC ASH ADVISORY
ISSUED: 2006MAY21/0017Z   VAAC: WASHINGTON

VOLCANO: SOUFRIERE HILLS 1600-05
LOCATION: N1643 W06210   AREA: W_INDIES

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/371

INFORMATION SOURCE: GOES-12. NAM WINDS.
RADIOSONDE. MONTSERRAT OBSERVATORY. VAFTAD. 

ERUPTION DETAILS: MAJOR ERUPTION AT AROUND 1100Z
WITH CONTINUED LOW LEVEL GAS AND ASH EMISSIONS.

OBS ASH DATE/TIME: 20/2315Z

OBS ASH CLOUD: SFC/FL500 N1511 W06801 - N1231
W06506 - N1009 W06756 - N1231 W07030 - N1511
W06801 MOVING SW 40-50 KNOTS. SFC/FL400 N1701
W06422 - N1434 W06350 - N1230 W06505 - N1508
W06759 - N1643 W06800 - N1701 W06422 MOVING SW
25-35 KNOTS. SFC/FL080 10NM WIDE LINE BETWEEN
N1641 W06210 - N1630 W06327. ASH IS MOVING W 10
KNOTS. 

FCST ASH CLOUD +6H: 21/0530Z SFC/FL500 NO VA
EXP.SFC/FL400 N1443 W06838 - N1142 W06635 - N0834
W06901 - N1226 W07136 - N1443 W06838 SFC/FL080
10NM WIDE LINE BETWEEN N1640 W06209 - N1617
W06325. 

FCST ASH CLOUD +12H: 21/1130Z SFC/FL400 N1246
W07207 - N0859 W07032 - N0817 W07304 - N1219
W07329 - N1246 W07207 SFC/FL080 15NM WIDE LINE
BETWEEN N1641 W06208 - N1620 W06328. 

FCST ASH CLOUD +18H: 21/1730Z SFC/FL040 N1200
W07513 - N0839 W07445 - N0716 W07709 - N1039
W07713 - N1200 W07513 SFC/FL080 10NM WIDE LINE
BETWEEN N1639 W06209 - N1622 W06330. 

REMARKS: THE BULK OF THE ASH AND STEAM CLOUD NOW
EXTENDS OVER THE CARIBBEAN SEA WITH THE HIGHEST
PORTION COVERING THE COAST AND ISLANDS OF WESTERN
VENEZUELA.  IT APPEARS NO ASH WILL REACH PUERTO
RICO.. SAINT CROIX ..OR SANTO DOMINGO AS SEEN IN
THE MODEL FORECAST.   ...SWANSON

NEXT ADVISORY: WILL BE ISSUED BY 2006MAY21/0615Z

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