FVXX20 KNES 201730
VOLCANIC ASH ADVISORY
ISSUED: 2006MAR20/1729Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/131

INFORMATION SOURCE: GOES-12. RADIOSONDE.
MONTSERRAT OBSERVATORY. 

ERUPTION DETAILS: ONGOING ROCKFALL INDUCED ASH AND
STEAM EMISSIONS

OBS ASH DATE/TIME: 20/1645Z

OBS ASH CLOUD: SFC/FL070 N1648 W06257 - N1641
W06213 - N1606 W06339 - N1504 W06456 - N1557
W06513 - N1648 W06257 MOVING SW 5-10 KNOTS. 

FCST ASH CLOUD +6H: 20/2300Z SFC/FL070 N1644
W06211 - N1641 W06216 - N1507 W06501 - N1548
W06512 - N1644 W06211 

FCST ASH CLOUD +12H: 21/0500Z SFC/FL070 N1643
W06211 - N1642 W06213 - N1509 W06504 - N1547
W06513 - N1643 W06211 

FCST ASH CLOUD +18H: 21/1100Z SFC/FL070 N1643
W06211 - N1641 W06212 - N1459 W06447 - N1525
W06507 - N1643 W06211 

REMARKS: MORNING VISIBLE IMAGERY SHOWS A THIN
PLUME EXTENDING APPROXIMATELY 150 NMI TO THE WEST
SOUTHWEST VOLCANO.  LATEST REPORT FROM THE
MONTSERRAT VOLCANO OBSERVATORY INDICATES MAINLY
STEAM WITH SLIGHT AMOUNTS OF ASH BELOW FL100.  
WITH THIS REPORT AND APPEARANCE IN SATELLITE
IMAGERY EARLIER PILOT REPORT OF ASH FL150 - FL200
IS BEING DISCOUNTED AT THIS TIME. ...SCHWARTZ

NEXT ADVISORY: WILL BE ISSUED BY 2006MAR20/2330Z

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