

409 

WWUS20 KWNS 270340

SEL5

SPC WW 270340

ARZ000-MOZ000-MSZ000-TNZ000-270900-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 35

NWS STORM PREDICTION CENTER NORMAN OK

930 PM CST THU FEB 26 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN ARKANSAS

       THE MISSOURI BOOTHEEL

       NORTHWEST MISSISSIPPI

       WESTERN TENNESSEE



EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 930 PM

UNTIL 300 AM CST.



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 EAST AND WEST OF A LINE FROM 35 MILES WEST

SOUTHWEST OF MONTICELLO ARKANSAS TO 40 MILES NORTHWEST OF

DYERSBURG TENNESSEE.  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 32...WW 33...WW 34...



DISCUSSION...SCTD SUSTAINED STORMS/SUPERCELLS ALONG/AHEAD OF COLD

FRONT IN CNTRL AR EXPECTED TO CONTINUE E TOWARD THE MS DELTA REGION

AS FRONT AND ASSOCIATED 60 KT MID LVL JET STREAK CONTINUE EWD.

DESPITE WEAK DIURNAL STABILIZATION...PRESENCE OF ENHANCED SSWLY LOW

LVL FLOW OVER ERN AR...AND ASSOCIATED MOIST AXIS...SUGGEST THAT A

THREAT FOR ISOLD SVR HAIL...WIND...AND POSSIBLY A TORNADO WILL EXIST

THROUGH EARLY FRI.



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 450. MEAN STORM

MOTION VECTOR 27035.





...CORFIDI

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