MESOSCALE DISCUSSION 0134
   NWS STORM PREDICTION CENTER NORMAN OK
   0239 AM CST SUN FEB 10 2013
   
   AREAS AFFECTED...WEST-CENTRAL/NORTH-CENTRAL/NORTHEAST TX TO ARKLATEX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 28...
   
   VALID 100839Z - 101045Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 28
   CONTINUES.
   
   SUMMARY...SEVERE TSTM WATCH 28 CONTINUES UNTIL 13Z...WITH DAMAGING
   WINDS/SOME HAIL AS THE PRIMARY HAZARDS. EARLY INDICATIONS ARE THAT
   AN ADDITIONAL WATCH COULD BE NEEDED BY AROUND 1000-1030Z FOR
   PORTIONS OF NORTHEAST TX AND THE ADJACENT ARKLATEX.
   
   DISCUSSION...NEAR/AHEAD OF A PACIFIC COLD FRONT...A 200+ MILE
   CONTINUOUS SQUALL LINE CONTINUES TO STEADILY PROGRESS EASTWARD AND
   GRADUALLY ACCELERATE ACROSS NORTH-CENTRAL /NEAR THE DFW METRO/ AND
   WEST-CENTRAL PORTIONS OF TX AS OF 0815Z...WITH A MORE BROKEN BAND OF
   SOMEWHAT SLOWER MOVING TSTMS ON THE SOUTHWEST FLANK IN VICINITY OF
   THE JUNCTION AREA/I-10 CORRIDOR. A 44 KT TSTM WIND GUST WAS RECENTLY
   /0825Z/ MEASURED AT FORT WORTH. WHILE A RELATIVELY MORE STABLE
   BOUNDARY LAYER COINCIDES WITH THE NORTHERN PORTION OF THE SQUALL
   LINE ACROSS NORTH-CENTRAL TX...LOCALIZED BOUTS OF DAMAGING WINDS
   WILL BE POSSIBLE AS A MOIST INFLUX PERSISTS NEAR/JUST ABOVE THE
   SURFACE IN CONJUNCTION WITH A VERY STRONG SWLY LOW LEVEL JET. IT
   SEEMS PROBABLE THAT ADDITIONAL UPSCALE GROWTH/BOWING WILL OCCUR IN
   CONJUNCTION VERY STRONG SSW DEEP LAYER FLOW...ACCENTUATED BY 60+ KT
   WITHIN THE LOWEST 1-2 KM AS PER FORT WORTH WSR-88D VWP DATA. FARTHER
   SSW...DAMAGING WIND/SOME HAIL POTENTIAL WILL CONTINUE...WITH STORM
   MERGERS LIKELY TO OCCUR THROUGH 10-11Z ACROSS CENTRAL TX/HILL
   COUNTRY VICINITY AS TSTMS SPREAD INTO TORNADO WATCH 29.
   
   ..GUYER.. 02/10/2013
   
   
   ATTN...WFO...SHV...FWD...EWX...SJT...
   
   LAT...LON   30300041 31769857 32979744 33639684 33519448 31669414
               31809525 32169595 31559738 30659912 30300041