

078 

WWUS20 KWNS 100633

SEL2

SPC WW 100633

ARZ000-MSZ000-TNZ000-101100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 362

NWS STORM PREDICTION CENTER NORMAN OK

130 AM CDT WED JUN 10 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       CENTRAL AND EASTERN ARKANSAS

       NORTHWEST MISSISSIPPI

       WESTERN TENNESSEE



EFFECTIVE THIS WEDNESDAY MORNING FROM 130 AM UNTIL 600 AM CDT.



HAIL TO 1.5 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 50

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 50 MILES NORTH

NORTHWEST OF LITTLE ROCK ARKANSAS TO 20 MILES NORTH NORTHEAST OF

OXFORD MISSISSIPPI.  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.



OTHER WATCH INFORMATION...CONTINUE...WW 361...



DISCUSSION...WELL ORGANIZED BOW ECHO MOVING ACROSS NCNTRL AR ATTM

WILL TRACK TOWARD THE MS RIVER OVER THE NEXT FEW HOURS. STORMS ARE

MOVING INTO A WARM AND VERY MOIST AIRMASS AND COEXIST WITHIN BELT OF

STRONGER LOW THROUGH MID LEVEL WLY FLOW OF 30-50KT. MODEST LOW LEVEL

ASCENT/WAA ON THE NOSE OF NOCTURNALLY ENHANCED LOW LEVEL JET MAY

CONTINUE TO AID UPDRAFT PERSISTENCE ALONG THE LEADING EDGE AND SWRN

FLANK OF THIS SMALL MCS OVER THE NEXT FEW HOURS. AS LONG AS BOWING

STRUCTURE IS MAINTAINED/EVIDENT...THE CHANCE FOR DAMAGING WIND GUSTS

WILL EXIST.



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

TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 30035.





...CARBIN

