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MESOSCALE DISCUSSION 0171
NWS STORM PREDICTION CENTER NORMAN OK
0939 PM CST TUE FEB 05 2008
AREAS AFFECTED...MIDDLE TENNESSEE
CONCERNING...TORNADO WATCH 40...
VALID 060339Z - 060515Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 40 CONTINUES.
AN ADDITIONAL WW PROBABLY WILL BE NEEDED SOUTH OF CURRENT WW SOON.
FORCING SUPPORTING ONGOING CLUSTER OF TORNADIC SUPERCELLS...NEAR/
NORTHWEST OF NASHVILLE...IS EXPECTED TO DEVELOP NORTHEAST OF MIDDLE
TENNESSEE BY 04-05Z. BUT...SEVERE THREAT WILL PERSIST UNTIL
UPSTREAM SQUALL LINE ADVANCES THROUGH THE INTERSTATE 65 CORRIDOR
DURING THE 06-08Z TIME FRAME. THE RISK FOR DAMAGING WINDS MAY BE
THE PRIMARY SEVERE THREAT WITH THE SQUALL LINE...BUT LOW-LEVEL SHEAR
WILL REMAIN VERY STRONG AND SUPPORTIVE OF CONTINUING TORNADO
POTENTIAL...AS THE BOUNDARY LAYER REMAINS RELATIVELY WARM/ MOIST AND
POTENTIALLY BUOYANT.
..KERR.. 02/06/2008
ATTN...WFO...MRX...OHX...BMX...HUN...MEG...
35988819 36408787 36158654 35888576 35028564 34158609
33548724 33498777 33898823
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