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405 

WWUS20 KWNS 040545

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ARZ000-LAZ000-MSZ000-TNZ000-041300-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 58

NWS STORM PREDICTION CENTER NORMAN OK

1240 AM CDT FRI APR 4 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EASTERN ARKANSAS

  NORTHEAST LOUISIANA

  WESTERN AND NORTHERN MISSISSIPPI

  SOUTHWEST TENNESSEE



* EFFECTIVE THIS FRIDAY MORNING FROM 1240 AM UNTIL 800 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF MEMPHIS

TENNESSEE TO 40 MILES EAST SOUTHEAST OF MONROE LOUISIANA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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 55...WW 56...WW 57...



DISCUSSION...BOW ECHO CONVECTIVE SYSTEM NOW OVER S CNTRL AR EXPECTED

TO CONTINUE ENE INTO NRN MS THROUGH LATER THIS MORNING AS REGION IS

GLANCED BY SRN FRINGE OF STRONG SHORTWAVE TROUGH AND ATTENDANT JET

STREAK MOVING ENE ACROSS THE MID MS VLY. 50+ KT WSWLY DEEP SHEAR AND

MOISTURE-RICH ENVIRONMENT AHEAD OF CONVECTIVE SYSTEM SUGGEST A GOOD

POTENTIAL FOR EMBEDDED SUPERCELLS/SUSTAINED CIRCULATIONS WITH A RISK

FOR A COUPLE TORNADOES IN ADDITION TO DMGG WIND. AN OCCASIONAL

TORNADO THREAT ALSO MAY BE POSED BY MORE DISCRETE STORMS EXPECTED TO

CONTINUE FORMING IN CONFLUENT SSWLY LOW-LVL FLOW AHEAD OF THE BOW

SYSTEM. FINALLY...ONE OR TWO STRONG TO SVR STORMS ALSO MAY FORM AND

MOVE ENE ALONG OUTFLOW BOUNDARY NOW MOVING SSEWD ACROSS NE AR.



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

550. MEAN STORM MOTION VECTOR 25035.





...CORFIDI

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