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WWUS20 KWNS 272048

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ARZ000-MSZ000-TNZ000-280400-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 141

NWS STORM PREDICTION CENTER NORMAN OK

350 PM CDT SAT APR 27 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EAST CENTRAL ARKANSAS

  NORTHERN MISSISSIPPI

  SOUTHWEST TENNESSEE



* EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 350 PM UNTIL

  1100 PM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 35 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 50 MILES EAST SOUTHEAST OF

JACKSON TENNESSEE TO 15 MILES SOUTH OF LITTLE ROCK ARKANSAS.  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.



&&



DISCUSSION...THUNDERSTORMS ARE BEGINNING TO INTENSIFY ALONG A WARM

FRONT EXTENDING ROUGHLY FROM A LOW NEAR LIT TO NORTH OF MEM.  A

MOIST AND MODERATELY UNSTABLE AIR MASS LIES TO THE SOUTH OF THE

FRONT WITH DEWPOINTS IN THE MID 60S.  DEEP EFFECTIVE SHEAR AND

SUFFICIENT LOW LEVEL SHEAR WILL POSE A RISK OF SUPERCELLS CAPABLE OF

LARGE HAIL...DAMAGING WINDS...AND A FEW TORNADOES.



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

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

450. MEAN STORM MOTION VECTOR 24035.





...HART

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