FVXX20 KNES 211050
VOLCANIC ASH ADVISORY
ISSUED: 2006MAY21/1049Z   VAAC: WASHINGTON

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

SUMMIT ELEVATION: 3002 FT (915 M)

ADVISORY NUMBER: 2006/373

INFORMATION SOURCE: GOES-12. GFS WINDS. NAM WINDS.
VAFTAD. 

ERUPTION DETAILS: DOME COLLAPSE PRODUCING HIGH
LEVEL ASH AT ABOUT 20/1100Z AND ONGOING LOW LEVEL
ASH EMISSIONS

OBS ASH DATE/TIME: 21/0945Z

OBS ASH CLOUD: SFC/FL070 15NM WIDE LINE BETWEEN
N1642 W06349 - N1638 W06207. ASH IS MOVING W 10
KNOTS. SFC/FL370 N1541 W07103 - N1508 W06740 -
N1013 W06541 - N1011 W06941 - N1308 W07251 - N1541
W07103 MOVING W 15-20 KNOTS. 

FCST ASH CLOUD +6H: 21/1600Z SFC/FL070 10NM WIDE
LINE BETWEEN N1742 W06335 - N1638 W06208.
SFC/FL370 N1428 W07305 - N1425 W06929 - N0923
W06654 - N0907 W07137 - N1227 W07528 - N1428
W07305 

FCST ASH CLOUD +12H: 21/2200Z SFC/FL070 10NM WIDE
LINE BETWEEN N1747 W06324 - N1717 W06307 - N1643
W06208. SFC/FL370 N1410 W07034 - N0859 W06826 -
N0818 W07225 - N1238 W07717 - N1407 W07426 - N1410
W07034 

FCST ASH CLOUD +18H: 22/0400Z SFC/FL070 10NM WIDE
LINE BETWEEN N1723 W06326 - N1637 W06207. NO VA
EXP.

REMARKS: THE MOST RECENT MULTISPECTRAL IMAGERY
SUGGESTS THAT SOME ASH MIGHT BE AS FAR SOUTH AS
NORTHERN VENEZUELA.  VAFTAD GUIDANCE DOES NOT
APPEAR TO ACCURATELY  DEPICT CURRENT ASH
SITUATION.  WHEN VISIBLE IMAGERY BECOMES AVAILABLE
WE WILL UPDATE.   ...

NEXT ADVISORY: WILL BE ISSUED BY 2006MAY21/1645Z

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