

000 

WWUS20 KWNS 022141

SEL3

SPC WW 022141

ARZ000-MSZ000-TNZ000-030200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 883

NWS STORM PREDICTION CENTER NORMAN OK

440 PM CDT TUE SEP 2 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       EASTERN ARKANSAS

       NORTHWESTERN MISSISSIPPI

       EXTREME SOUTHWESTERN TENNESSEE



EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 440 PM UNTIL

900 PM CDT.



TORNADOES...HAIL TO 0.5 INCH IN DIAMETER...THUNDERSTORM WIND

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

AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 30 STATUTE

MILES EITHER SIDE OF A LINE FROM 55 MILES NORTHWEST OF MEMPHIS

TENNESSEE TO 15 MILES SOUTH SOUTHEAST OF OXFORD MISSISSIPPI.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU3).



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 882...



DISCUSSION...SMALL BAND OF ROTATING STORMS HAD DEVELOPED ALONG AN

OUTER BAND THAT WAS LOCATED WITHIN AN AREA OF SURFACE TEMPERATURES

IN THE LOWER TO MID 80S. THIS ADDED INSTABILITY AND 1 KM SHEAR

AROUND 30 KT WILL LIKELY CONTINUE A THREAT FOR ROTATING STORMS AND A

FEW TORNADOES AS THE STORMS SHIFT NNWWD. THE TORNADO THREAT SHOULD

DIMINISH BETWEEN 00-02Z WITH LOSS OF DAYTIME HEATING.



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

SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE

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

500. MEAN STORM MOTION VECTOR 15030.





...IMY

