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000 

WWUS20 KWNS 022100

SEL4

SPC WW 022100

ARZ000-MOZ000-MSZ000-TNZ000-030300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 424

NWS STORM PREDICTION CENTER NORMAN OK

400 PM CDT MON JUN 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHEASTERN ARKANSAS

       SOUTHEASTERN MISSOURI

       NORTHEASTERN MISSISSIPPI

       WESTERN TENNESSEE



EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 400 PM UNTIL

1000 PM CDT.



HAIL TO 2.5 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 55

STATUTE MILES EITHER SIDE OF A LINE FROM 60 MILES NORTHWEST OF

WALNUT RIDGE ARKANSAS TO 55 MILES SOUTHEAST OF JACKSON TENNESSEE.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 420...WW 421...WW

422...WW 423...



DISCUSSION...SMALL MCS WILL CONTINUE TO RACE SEWD TOWARDS THE MID

SOUTH LATE THIS  AFTERNOON...WITH ADDITIONAL DEVELOPMENT ANTICIPATED

INTO WRN TN/NERN MS AHEAD OF THIS ACTIVITY.  MLCAPE ACROSS THE AREA

REMAINS QUITE FAVORABLE FOR INTENSE STORMS...WHILE EFFECTIVE SHEAR

OF 40-50 KT WILL SUPPORT ORGANIZED/ROTATING UPDRAFTS.  LARGE HAIL

AND DAMAGING WINDS SHOULD BE PRIMARY SEVERE THREATS.



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 500. MEAN STORM

MOTION VECTOR 31030.





...EVANS

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