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WWUS20 KWNS 111448

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ARZ000-MOZ000-TNZ000-112100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 372

NWS STORM PREDICTION CENTER NORMAN OK

950 AM CDT MON JUN 11 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN ARKANSAS

       SOUTHERN MISSOURI

       EXTREME NORTHWEST TENNESSEE



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 950 AM UNTIL 400

PM CDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST

NORTHWEST OF FAYETTEVILLE ARKANSAS TO 50 MILES EAST NORTHEAST OF

POPLAR BLUFF MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE

THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).



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.



DISCUSSION...VERY UNSTABLE CONDITIONS ARE EXPECTED TO DEVELOP AHEAD

OF A MATURE MCS CURRENTLY ACROSS SWRN AND SCNTRL MO. LIFT ALONG THE

MCS COLD POOL WILL DEVELOP SOUTH INTO THIS AIR MASS OVER THE NEXT

FEW HOURS AND SHOULD SUPPORT A CONTINUING THREAT OF SEVERE STORMS

WITH HAIL AND HIGH WINDS. SOME UNCERTAINTY EXISTS ACROSS THE WRN

EDGE OF THE WATCH AREA WHERE MID LEVEL CAPPING MAY REMAIN TOO STRONG

FOR STORMS TO FORM. HOWEVER...LATEST TRENDS IN RADAR AND SATELLITE

IMAGERY SUGGEST THAT A WATCH IS WARRANTED ACROSS THESE AREAS FOR THE

TIME BEING WITH AN INCREASING POTENTIAL FOR A FORWARD PROPAGATING

MCS TO DEVELOP ACROSS CNTRL AND ERN PORTIONS OF THE WATCH...FROM

SERN MO INTO THE LOWER MS RIVER VALLEY...LATER TODAY.



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

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 31030.





...CARBIN

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