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WWUS20 KWNS 291748

SEL6

SPC WW 291748

ALZ000-LAZ000-MSZ000-300200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 116

NWS STORM PREDICTION CENTER NORMAN OK

1245 PM CDT TUE APR 29 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EXTREME SOUTHWEST ALABAMA

  PARTS OF NORTHEAST AND SOUTHEAST LOUISIANA

  CENTRAL AND SOUTHERN MISSISSIPPI



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL

  900 PM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES

    POSSIBLE

  WIDESPREAD LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER LIKELY

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 105 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 30 MILES SOUTHEAST OF

MERIDIAN MISSISSIPPI TO 25 MILES WEST OF NATCHEZ MISSISSIPPI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 WILL INTENSIFY BOTH ALONG A RETREATING

OUTFLOW BOUNDARY IN SE MS/SW AL...AND IN THE EXPANDING WARM SECTOR

FROM NE LA INTO MS THE NEXT FEW HOURS.  DESTABILIZATION AND STRONG

DEEP-LAYER VERTICAL SHEAR WILL FAVOR SUPERCELLS CAPABLE OF PRODUCING

TORNADOES...LARGE HAIL...AND DAMAGING WINDS.  A COUPLE STRONG

TORNADOES WILL BE POSSIBLE THIS AFTERNOON WITH THE MOST INTENSE

SUPERCELLS...AS WELL AS ISOLATED VERY LARGE HAIL.  BY ABOUT MID

AFTERNOON...THE SEVERE THREAT WILL SPREAD EWD INTO W CENTRAL AL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS 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

550. MEAN STORM MOTION VECTOR 25040.





...THOMPSON

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