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712 

WWUS20 KWNS 141822

SEL9

SPC WW 141822

ARZ000-MOZ000-MSZ000-TNZ000-150100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 419

NWS STORM PREDICTION CENTER NORMAN OK

125 PM CDT MON JUL 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHERN AND CENTRAL ARKANSAS

  MISSOURI BOOTHEEL

  NORTHERN MISSISSIPPI

  WESTERN AND MIDDLE TENNESSEE



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 125 PM UNTIL

  800 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 60 MILES WEST OF

RUSSELLVILLE ARKANSAS TO 5 MILES SOUTHEAST OF CROSSVILLE

TENNESSEE.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 417...WW 418...



DISCUSSION...THUNDERSTORMS ARE INTENSIFYING ALONG A BOUNDARY FROM

NORTHERN AR INTO WEST TN.  THESE STORMS ARE EXPECTED TO TRACK

EASTWARD ACROSS THE WATCH AREA THROUGH THE EARLY EVENING.  LARGE

CAPE VALUES...A VERY MOIST ENVIRONMENT...AND SUFFICIENT EFFECTIVE

SHEAR MAY RESULT IN WIDELY SCATTERED SEVERE STORMS CAPABLE OF

DAMAGING WINDS AND HAIL.



AVIATION...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 27025.





...HART

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