MESOSCALE DISCUSSION 0234
   NWS STORM PREDICTION CENTER NORMAN OK
   0654 AM CST THU MAR 01 2007
   
   AREAS AFFECTED...ERN AR ACROSS NRN MS...WRN/MIDDLE TN...NRN AL
   
   CONCERNING...SEVERE POTENTIAL...TORNADO WATCH LIKELY 
   
   VALID 011254Z - 011400Z
   
   WIDESPREAD SEVERE WEATHER POTENTIAL TO INCLUDE POSSIBLE LONG-TRACK
   TORNADOES WILL INCREASE ACROSS THE MS AND TN VALLEYS THROUGH THIS
   MORNING. TORNADO WATCH COORDINATION ACROSS THESE AREAS WILL COMMENCE
   SHORTLY.
   
   POWERFUL LARGE SCALE MID/UPPER TROUGH CONTINUES TO MOVE EAST ACROSS
   THE PLAINS THIS MORNING WITH PRONOUNCED DIFFLUENT FLOW OF OVER 100KT
   FORECAST TO SPREAD EAST ATOP INCREASINGLY MOIST AND UNSTABLE WARM
   SECTOR FROM THE NRN GULF COAST NWD ACROSS MS/AL...AND MUCH OF TN.
   GIVEN SPEED OF THE UPPER SYSTEM AND WIDESPREAD NATURE OF THE
   INTENSIFYING VERTICAL MOTION...A LARGE PDS WATCH MAY BE NEEDED.
   STRENGTH OF LOW LEVEL SHEAR AND LOW LFC WILL SUPPORT THE POTENTIAL
   FOR FAMILIES OF LONG-TRACK SUPERCELL STORMS. TORNADO
   THREAT...CURRENTLY WELL ESTABLISHED OVER SRN MO...AR...AND LA...WILL
   SHIFT STEADILY EWD ACROSS THE MS RIVER THROUGH THE MORNING.
   
   ..CARBIN.. 03/01/2007
   
   
   ATTN...WFO...MRX...OHX...BMX...HUN...MEG...JAN...LZK...
   
   34839098 35429090 36188884 35488598 33478533 32648761
   32789101