[IWX_warnings] SEL8

[Severe weather warnings from NWS IWX.]

WWUS20 KWNS 120707
SEL8  
SPC WW 120707
ARZ000-ILZ000-INZ000-KYZ000-MOZ000-121400-


TRNDO WTCH 68
NWS SPC 
110A SUN MAR 12 2006

THE NWS SPC HAS ISSUED A
TRNDO WATCH FOR PORTIONS OF 

       N AR
       S IL
       SE IN
       W KY
       S MO

EFFCTVE THIS SUNDAY MORNING FROM 110A UNTL 800A.

TRNDOES HAIL TO 2.5 INCHES IN DIAMETER STRM WIND
GUSTS TO 70 MPH AND DNGRS LIGHTNING ARE PSBL IN THESE
AREAS.

THE TRNDO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE MI
NORTH AND S OF A LN FROM 30 MI WEST NW OF
FAYETTEVILLE AR TO 35 MI E NE OF OWENSBORO
KY.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLN UPDATE (WOUS64 KWNS WOU8).

REMEMBER A TRNDO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TRNDOES AND 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.

OTHER WATCH INFORMATION THIS TRNDO WATCH REPLACES TRNDO
WTCH 64 TRNDO WTCH 65 TRNDO WTCH
66 TRNDO WTCH 67. WTCH 64 65 66 67 WILL NOT BE
IN EFFECT AFTER 110A. 

DISCUSSION SUPERCELLS CNTINU TO FOCUS ALONG AND JST NORTH OF
CONFLUENT SURFACE OUTFLOW BNDRY EXTENDING FROM THE OZARK REGION
NEWD INTO THE OH RVR VALLEY. AIR MASS REMAINS MARGINALLY TO
MODERATELY UNSTBL AND SIGNIFICANT SHEAR WILL PERSIST OVERNIGHT. 
EXPECT CNTINUD THREAT OF SUPERCELLS WITH LRG HAIL AND TRNDOES
BEING PRIMARY SVR THREATS AS STRMS MOVE E-NEWD THROUGH THE
NIGHT.

AVIATION TRNDOES AND A FEW SVR STRMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STRM MOTION VECTOR 25040.


 EVANS

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