MESOSCALE DISCUSSION 0651
   NWS STORM PREDICTION CENTER NORMAN OK
   1139 PM CDT WED MAY 15 2013
   
   AREAS AFFECTED...NORTH-CENTRAL/CENTRAL TX
   
   CONCERNING...TORNADO WATCH 161...
   
   VALID 160439Z - 160615Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 161 CONTINUES.
   
   SUMMARY...TORNADO WATCH 161 CONTINUES UNTIL 06Z FOR PORTIONS OF
   NORTH-CENTRAL/CENTRAL TX. TORNADO THREAT CONTINUES TO DIMINISH FROM
   EARLIER...BUT DAMAGING WIND/SEVERE HAIL POTENTIAL WILL CONTINUE TO
   SPREAD EAST-SOUTHEASTWARD...INTO NEWLY ISSUED SEVERE TSTM WATCH 162
   OVERNIGHT.
   
   DISCUSSION...EARLIER SEMI-DISCRETE SUPERCELLS HAVE GENERALLY EITHER
   MERGED AND/OR WANED ACROSS NORTH-CENTRAL/CENTRAL TX...WITH A NOW
   DOMINANT QUASI-LINEAR MODE AS OF 0430Z FROM THE DFW METRO
   SOUTHWESTWARD INTO PARTS OF THE EDWARDS PLATEAU ROUGHLY BETWEEN
   BROWNWOOD AND TEMPLE/I-35. LOW-LEVEL SHEAR DOES REMAIN STRONG PER
   CENTRAL TX AREA WSR-88D VWP DATA SUCH AS GRK/EWX...WITH UPWARDS OF
   40-55 KT AROUND 1 KM. HOWEVER...FACTORS SUCH AS INCREASING BOUNDARY
   LAYER INHIBITION AND CONVECTIVE MODE IMPLY A DIMINISHED TORNADO
   THREAT...ALTHOUGH DAMAGING WINDS AND BOUTS OF HAIL WILL REMAIN A
   CONCERN FROM PARTS OF NORTH-CENTRAL/CENTRAL TX IN TORNADO WATCH
   161...INTO NEWLY ISSUED WATCH 162 OVERNIGHT.
   
   ..GUYER.. 05/16/2013
   
   
   ATTN...WFO...FWD...EWX...SJT...
   
   LAT...LON   31129952 31599873 32069766 32819743 33059682 32969599
               32119618 31849651 30909736 30959886 31129952