

545 

WWUS20 KWNS 021552

SEL6

SPC WW 021552

MSZ000-TNZ000-022000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 106

NWS STORM PREDICTION CENTER NORMAN OK

1055 AM CDT THU APR 2 2009



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       MUCH OF NORTHERN MISSISSIPPI

       PARTS OF SOUTHWESTERN TENNESSEE



EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1055 AM UNTIL

300 PM CDT.



TORNADOES...HAIL TO 2 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 65 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH OF OXFORD

MISSISSIPPI TO 65 MILES EAST NORTHEAST OF MEMPHIS TENNESSEE.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU6).



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 102...WW 103...WW

104...WW 105...



DISCUSSION...SEVERE THUNDERSTORMS DEVELOPING RAPIDLY INTO NWRN MS

AHEAD OF VIGOROUS UPPER SYSTEM.  WITH MOISTURE/INSTABILITY SPREADING

NWD AND SHEAR PROFILES BECOMING INCREASINGLY FAVORABLE FOR

SUPERCELLS...THREAT FOR TORNADOES AND DAMAGING WINDS WILL BE

SPREADING EWD ACROSS THE WATCH AREA THRU MID AFTERNOON,



AVIATION...TORNADOES AND 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 24035.





...HALES

