225 PM CST THU FEB 20 2014

 

THE NWS STORM PREDICTION CENTER HAS ISSUED A

 

* TORNADO WATCH FOR PORTIONS OF

  NORTHEAST ARKANSAS

  SOUTHEAST ILLINOIS

  EXTREME SOUTHWEST INDIANA

  WESTERN KENTUCKY

  SOUTHEAST MISSOURI

  NORTHERN MISSISSIPPI

  WESTERN AND MIDDLE TENNESSEE

 

* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 225 PM UNTIL

  900 PM CST.

 

* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL SIGNIFICANT DAMAGING WIND GUSTS TO 75 MPH POSSIBLE

  A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE

 

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 45 MILES EAST NORTHEAST OF

CARBONDALE ILLINOIS TO 10 MILES SOUTH OF OXFORD MISSISSIPPI.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).

 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.

 

&&

 

OTHER WATCH INFORMATION...CONTINUE...WW 9...WW 10...

 

DISCUSSION...STORMS WILL CONTINUE TO DEVELOP NEWD FROM AR TOWARD WRN

TN/KY THROUGH THE AFTERNOON/EVENING...WITH CONSOLIDATION INTO A

LARGER SQUALL LINE EXPECTED BY EARLY TONIGHT AS THE COLD FRONT

OVERTAKES THE PRE-FRONTAL CONVECTION.  THE COMBINATION OF

BUOYANCY/MOISTURE AND VERTICAL SHEAR WILL SUPPORT THE RISK FOR A FEW

TORNADOES WITH ANY MORE DISCRETE INITIAL CELLS OR LATER EMBEDDED

CIRCULATIONS...THOUGH THE PRIMARY RISK WILL BECOME DAMAGING WINDS

THIS EVENING INTO TONIGHT.

 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 24050.