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351 

WWUS20 KWNS 232247

SEL4

SPC WW 232247

ALZ000-TNZ000-240500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 564

NWS STORM PREDICTION CENTER NORMAN OK

450 PM CST WED DEC 23 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWEST AND NORTH CENTRAL ALABAMA

  MIDDLE TENNESSEE



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 450 PM

  UNTIL 1100 PM CST.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES LIKELY WITH A COUPLE INTENSE TORNADOES

    POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



SUMMARY...SUPERCELLS IN A BROKEN BAND WILL CONTINUE TO MOVE QUICKLY

NORTHEASTWARD FROM NORTHERN MISSISSIPPI AND WESTERN TENNESSEE INTO

NORTHWEST ALABAMA AND MIDDLE TENNESSEE THROUGH LATE EVENING.

TORNADOES...A COUPLE OF WHICH COULD BE STRONG...DAMAGING WINDS...AND

LARGE HAIL WILL ALL BE POSSIBLE.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF

NASHVILLE TENNESSEE TO 30 MILES SOUTH OF MUSCLE SHOALS ALABAMA.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 558...WW 559...WW

560...WW 561...WW 562...WW 563...



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 24050.





...THOMPSON

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