[IWX_warnings] SEL9

[IWX_warnings at goshenarc.org]

WWUS20 KWNS 310131
SEL9  
SPC WW 310131
ILZ000-INZ000-KYZ000-MIZ000-MOZ000-LMZ000-310900-


SVR STRM WTCH 109
NWS SPC 
730P WED MAR 30 2005

THE NWS SPC HAS ISSUED A
SVR STRM WATCH FOR PORTIONS OF 

       E AND S IL
       W IN
       W KY
       EXTREME SW LWR MI
       EXTREME SE MO
       LK MI

EFFCTVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 730 PM
UNTL 300A.

HAIL TO 2 INCHES IN DIAMETER STRM WIND GUSTS TO 70
MPH AND DNGRS LIGHTNING ARE PSBL IN THESE AREAS.

THE SVR STRM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MI E AND WEST OF A LN FROM 35 MI NE OF
MEIGS FIELD IL TO 40 MI S SW OF PADUCAH
KY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLN UPDATE (WOUS64 KWNS WOU9).

REMEMBER A SVR STRM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SVR STRMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WX CONDITIONS AND LISTEN FOR LATER STMENTS AND PSBL
WARNINGS. SVR STRMS CAN AND OCCASIONALLY DO PRDCE
TRNDOES.

OTHER WATCH INFORMATION THIS SVR STRM WATCH REPLACES
TRNDO WTCH 105. WTCH 105 WILL NOT BE IN EFFECT
AFTER 730P. CNTINU WW 106 WW 107 WW 108 

DISCUSSION BROKEN BAND OF SVR STRMS WILL PERSIST AND MOVE EWD
WITH THE DRYLN/SURFACE TROUGH ACRS IL/SE MO.  STEEP MID LEVEL
LAPSE RATES STRNG VERTICAL SHEAR AND WEAK-MODERATE
INSTABILITY ALONG WITH GRADUAL STABILIZATION OF THE LOW
LEVELS SUGGEST THAT LRG HAIL AND DMGG WINDS WILL BE THE MAIN
THREATS OVERNIGHT WITH SUPERCELLS AND LN SEGMENTS.

AVIATION A FEW SVR STRMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STRM
MOTION VECTOR 24035.


 THOMPSON

;421,0855 363,0875 363,0900 421,0881; 

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