Posible severe weather tomorrow Amarillo & vicinity

SPC AC 070543
   
   DAY 2 CONVECTIVE OUTLOOK  
   NWS STORM PREDICTION CENTER NORMAN OK
   1143 PM CST WED MAR 06 2013
   
   VALID 081200Z - 091200Z
   
   ...THERE IS A SLGT RISK OF SVR TSTMS ACROSS THE SOUTHERN HIGH
   PLAINS...
   
   ...SOUTHERN/CENTRAL HIGH PLAINS...
   
   LATEST SHORT RANGE MODEL GUIDANCE IS IN GENERAL AGREEMENT REGARDING
   THE EJECTION OF LEAD SPEED MAX ACROSS NRN MEXICO TOWARD THE TX SOUTH
   PLAINS BY 09/00Z.  THIS FEATURE IS EXPECTED TO SHARPEN THE DRYLINE
   WHICH WILL EXTEND FROM A LEE CYCLONE OVER SERN CO...SWD ALONG THE
   TX/NM BORDER INTO THE BIG BEND REGION.
   
   LLJ WILL RESPOND TO THE APPROACHING MID LEVEL SPEED MAX AND
   FAVORABLE BOUNDARY LAYER TRAJECTORIES ARE EXPECTED TO ALLOW MODIFIED
   LOW LEVEL MOISTURE TO ADVANCE NWD ACROSS THE WRN GULF BASIN INTO THE
   TX SOUTH PLAINS BY PEAK HEATING.  MODELS REMAIN CONSISTENT REGARDING
   THE LIKELIHOOD FOR LOW 50S SFC DEW POINTS TO RETURN ACROSS THE ERN
   TX PANHANDLE WHILE 45-50F DEW POINTS COULD BE IN PLACE NEAR THE
   DRYLINE BY 21Z.  IT APPEARS THE STRONGEST BOUNDARY LAYER HEATING
   WILL OCCUR ACROSS FAR WEST TX INTO ERN NM AND FORECAST CONVECTIVE
   TEMPERATURES ARE AROUND 65-70F.  23Z SOUNDING FOR DHT EXHIBITS A
   STRONG VEERING WIND PROFILE WITH HEIGHT AND MUCAPE ON THE ORDER OF
   1000 J/KG WITH VERY WEAK INHIBITION.  ALTHOUGH PW VALUES ARE
   SOMEWHAT LOW ACROSS THIS REGION IT APPEARS ISOLATED TSTMS...POSSIBLY
   SUPERCELLS...WILL EVOLVE BY EARLY EVENING FROM SERN CO...ARCING
   SSEWD INTO THE TX SOUTH PLAINS.  LARGE HAIL IS THE MOST LIKELY
   SEVERE THREAT...ALTHOUGH CLOUD BASES MAY BE NO HIGHER THAN 1KM DUE
   TO RELATIVE LOW TEMPERATURE/DEW POINT SPREADS.  FOR THIS REASON CAN
   NOT RULE OUT A FEW TORNADOES.
   
   WITH LLJ EXPECTED TO REMAIN STRONG THROUGH THE NIGHT IT WOULD SEEM
   LIKELY THAT A LOOSELY ORGANIZED LINE OF CONVECTION MAY PROPAGATE
   INTO WRN OK AND ACROSS WRN/CNTRL KS DURING THE OVERNIGHT HOURS. 
   THIS ACTIVITY WILL BE INCREASINGLY ELEVATED WITH TIME AND SEVERE
   THREAT SHOULD WANE WITH LOSS OF DAYTIME HEATING.