FVXX22 KNES 190551
VOLCANIC ASH ADVISORY
ISSUED: 2006APR19/0550Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/251

INFORMATION SOURCE: PIARCO MWO. GOES-12. GFS
WINDS. RADIOSONDE. 

ERUPTION DETAILS: CONTINUOUS EMISSIONS

OBS ASH DATE/TIME: 19/0345Z

OBS ASH CLOUD: SFC/FL100 10NM WIDE LINE BETWEEN
N1642 W06207 - N1629 W06140. ASH IS MOVING SE 10
KNOTS. 

FCST ASH CLOUD +6H: 19/1000Z SFC/FL100 15NM WIDE
LINE BETWEEN N1641 W06208 - N1629 W06135. 

FCST ASH CLOUD +12H: 19/1600Z FL050/FL100 15NM
WIDE LINE BETWEEN N1641 W06207 - N1631 W06136.
SFC/FL050 15NM WIDE LINE BETWEEN N1659 W06205 -
N1644 W06209. 

FCST ASH CLOUD +18H: 19/2200Z FL050/FL100 15NM
WIDE LINE BETWEEN N1641 W06208 - N1631 W06132.
SFC/FL050 15NM WIDE LINE BETWEEN N1706 W06202 -
N1643 W06208. 

REMARKS: GOES MULTISPECTRAL IMAGERY THROUGH 0345Z
SHOWED A HOTSPOT OVER THE VOLCANO WITH AN
INDICATION OF A 10 KM WIDE ASH PLUME EXTENDING 55
KM TO THE SE OF THE SUMMIT. MODEL AND RAOB
SOUNDINGS SHOW VEERING WINDS FROM THE SURFACE TO
THE INVERSION AT FL100. ANY LOW LEVEL ASH BELOW
FL050 WOULD MOVE TO THE NORTH WITH ASH BETWEEN
FL050 AND FL100 MOVING TO THE SOUTHEAST.
CONDITIONS EXPECTED TO CHANGE LITTLE THROUGH THE
FORECAST PERIOD.  ...RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2006APR19/1145Z

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