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WWUS20 KWNS 281021

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URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 384

NWS STORM PREDICTION CENTER NORMAN OK

520 AM CDT FRI JUN 28 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN ARKANSAS

  NORTHERN MISSISSIPPI

  WEST TENNESSEE



* EFFECTIVE THIS FRIDAY MORNING FROM 520 AM UNTIL 1100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A FEW LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EITHER SIDE OF A LINE FROM 55 MILES WEST NORTHWEST

OF JACKSON TENNESSEE TO 25 MILES SOUTH SOUTHEAST OF OXFORD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 383...



DISCUSSION...LOOSELY-ORGANIZED NE AR SQLN WITH EMBEDDED BOWING

SEGMENTS EXPECTED CONTINUE ESE TO SE ALONG LARGER-SCALE SFC-BASED

INSTABILITY GRADIENT THROUGH LATER THIS MORNING. WHILE DEEP SHEAR

SOMEWHAT DECREASES WITH SE EXTENT...AND PART OF WW AREA WAS AFFECTED

BY STORMS LATE YESTERDAY...SUFFICIENT SHEAR/BUOYANCY APPEAR PRESENT

TO SUPPORT A CONTINUED RISK FOR AT LEAST SPORADIC DMGG WIND GIVEN

SLIGHTLY ELEVATED BUT PERSISTENT MOISTURE AND EML FEED FROM THE WSW.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.

A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION

VECTOR 31035.





...CORFIDI

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