

207 

WWUS20 KWNS 140650

SEL5

SPC WW 140650

ARZ000-141300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 405

NWS STORM PREDICTION CENTER NORMAN OK

150 AM CDT SUN JUN 14 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       WESTERN AND CENTRAL ARKANSAS



EFFECTIVE THIS SUNDAY MORNING FROM 150 AM UNTIL 800 AM 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 75

STATUTE MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH OF

HARRISON ARKANSAS TO 65 MILES SOUTH OF HOT SPRINGS ARKANSAS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 401...WW 402...WW

403...WW 404...



DISCUSSION...LINE OF INTENSE STORMS OVER EASTERN OK WILL TRACK

EASTWARD ACROSS AR FOR MUCH OF THE NIGHT.  VERY MOIST AND UNSTABLE

AIR ACROSS THE WATCH AREA...COMBINED WITH SUFFICIENT DEEP LAYER

VERTICAL SHEAR FOR SUPERCELLS/BOWS WILL MAINTAIN A RISK OF DAMAGING

WINDS AND HAIL FOR SEVERAL MORE HOURS.



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 27035.





...HART

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