

000 

WWUS20 KWNS 102128

SEL8

SPC WW 102128

ARZ000-MOZ000-MSZ000-TNZ000-110500-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 298

NWS STORM PREDICTION CENTER NORMAN OK

425 PM CDT SAT MAY 10 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN ARKANSAS

       MISSOURI BOOTHEEL

       NORTHERN MISSISSIPPI

       WESTERN TENNESSEE



EFFECTIVE THIS SATURDAY AFTERNOON FROM 425 PM UNTIL MIDNIGHT CDT.



TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND

GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST OF

JONESBORO ARKANSAS TO 45 MILES NORTHEAST OF TUPELO MISSISSIPPI.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU8).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



OTHER WATCH INFORMATION...CONTINUE...WW 293...WW 294...WW

295...WW 296...WW 297...



DISCUSSION...IMPRESSIVE SYSTEM WILL CONTINUE TO SPREAD EWD TOWARDS

THE MID SOUTH TONIGHT WITH THUNDERSTORMS BECOME MORE WIDESPREAD

ACROSS WW THIS EVENING.  AIR MASS IS VERY UNSTABLE SOUTH OF A WARM

FRONT NOW EXTENDING FROM NERN AR INTO FAR SWRN TN...AND THIS FEATURE

SHOULD LIFT SLOWLY NWD THIS EVENING.  THIS WILL CREATE A SETUP

INCREASINGLY FAVORABLE FOR SUPERCELLS AND BOWING SEGMENTS ACROSS THE

REGION.  VERY LARGE HAIL...DAMAGING WINDS AND TORNADOES ARE ALL

POSSIBLE WELL AFTER DARK.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

450. MEAN STORM MOTION VECTOR 26030.





...EVANS

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