MESOSCALE DISCUSSION 0025
   NWS STORM PREDICTION CENTER NORMAN OK
   0916 PM CST FRI JAN 05 2007
   
   AREAS AFFECTED...NE NC...SE VA
   
   CONCERNING...TORNADO WATCH 8...
   
   VALID 060316Z - 060445Z
   
   AN AREA OF HEAVY RAIN OVER ERN SC AND CNTRL NC WILL MOVE ENEWD LATE
   THIS EVENING AFFECTING NE NC AND SE VA AFTER MIDNIGHT. THE
   REDEVELOPMENT OF THUNDERSTORM ACTIVITY REMAINS POSSIBLE AND A SEVERE
   THUNDERSTORM POTENTIAL WOULD EXIST AS STORMS ORGANIZE DURING THE
   OVERNIGHT PERIOD.  TORNADO WATCH 8 MAY NEED TO BE REPLACED IF THIS
   SCENARIO DEVELOPS.
   
   A NEGATIVELY TILTED UPPER-LEVEL TROUGH OVER THE SRN APPALACHIAN MTNS
   WILL CONTINUE TO DRIFT NEWD TOWARD THE REGION TONIGHT. A BAND OF
   CONVECTION IS LOCATED ALONG THE LEADING EDGE OF LARGE-SCALE ASCENT
   ASSOCIATED WITH THE APPROACHING TROUGH. AHEAD OF THE
   CONVECTION...THE AIRMASS REMAINS UNDISTURBED WITH SFC DEWPOINTS IN
   THE MID TO UPPER 60S F AS FAR NORTH AS RICHMOND VA. IN
   ADDITION...MODERATE VERTICAL SHEAR PROFILES EXIST ACROSS THE REGION.
   AS THE UPPER-TROUGH APPROACHES...SHEAR PROFILES SHOULD GRADUALLY
   STRENGTHEN BECOMING INCREASINGLY FAVORABLE FOR LOW-TOPPED ROTATING
   STORMS. IF THIS WHERE TO HAPPEN...A THREAT FOR TORNADOES AND
   ISOLATED WIND DAMAGE WOULD BE POSSIBLE ACROSS THE REGION.
   
   ..BROYLES.. 01/06/2007
   
   
   ATTN...WFO...AKQ...MHX...RAH...
   
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   37507642 36627555