MESOSCALE DISCUSSION 0299
   NWS STORM PREDICTION CENTER NORMAN OK
   0334 PM CDT FRI MAR 27 2009
   
   AREAS AFFECTED...NERN TX...SERN OK...SWRN AR
   
   CONCERNING...TORNADO WATCH 78...
   
   VALID 272034Z - 272130Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 78 CONTINUES.
   
   LOW LEVEL LAPSE RATES HAVE STEEPENED SIGNIFICANTLY OVER THE LAST FEW
   HOURS ACROSS CNTRL TX...NEWD ALONG A NARROW CORRIDOR IMMEDIATELY
   AHEAD OF COLD FRONT INTO ELLIS COUNTY WHERE CONVECTION IS NOW
   DEVELOPING.  ALTHOUGH AIRMASS IS NOT PARTICULARLY UNSTABLE
   DOWNSTREAM OVER THE ARKLATEX...FRONTAL CONVECTION MAY GRADUALLY
   INTENSIFY INTO THE LATE AFTERNOON HOURS AS IT SPREADS INTO MORE
   FAVORABLY SHEARED ENVIRONMENT.  GREATEST TORNADO THREAT SHOULD
   BECOMES FOCUSED AHEAD OF SFC FRONT NEAR THE RED RIVER INTO THE EARLY
   EVENING.
   
   ..DARROW.. 03/27/2009
   
   
   ATTN...WFO...LZK...LCH...SHV...TSA...HGX...FWD...OUN...
   
   LAT...LON   31549572 32359644 32989652 33009684 34179693 34159641
               34699605 34679496 34349391 33339369 32999402 32039404
               31169356 31039445 31169483 31579513 31549572