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461 

WWUS20 KWNS 311903

SEL9

SPC WW 311903

ARZ000-LAZ000-010300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 69

NWS STORM PREDICTION CENTER NORMAN OK

205 PM CDT THU MAR 31 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHEAST ARKANSAS

  CENTRAL AND NORTHEAST LOUISIANA



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 205 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS

    TO 2.5 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORMS ARE BEGINNING TO DEVELOP ACROSS

LOUISIANA/SOUTHEAST ARKANSAS...AND THE TREND FOR INCREASING STORM

COVERAGE/INTENSITY IS EXPECTED THROUGH THE AFTERNOON AND EVENING.

SUPERCELLS WITH LARGE HAIL SHOULD BE THE MAIN THREAT...THOUGH

EVENTUAL GROWTH INTO A FEW CLUSTERS IS POSSIBLE...WITH AN ATTENDANT

DAMAGING WIND RISK.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 100

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTHWEST

OF NATCHITOCHES LOUISIANA TO 60 MILES EAST NORTHEAST OF MONROE

LOUISIANA.  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 67...WW 68...



AVIATION...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 450. MEAN STORM

MOTION VECTOR 25035.





...THOMPSON

