MESOSCALE DISCUSSION 1043
   NWS STORM PREDICTION CENTER NORMAN OK
   0522 AM CDT THU JUN 11 2009
   
   AREAS AFFECTED...NRN/ERN TX
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 372...
   
   VALID 111022Z - 111115Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 372
   CONTINUES.
   
   A LOCAL SSEWD EXPANSION OF WW 372 MAY BE NEEDED SOON BY WFO FWD...
   AND A NEW WW IS BEING CONSIDERED FOR PARTS OF SERN TX DOWNSTREAM OF
   WW 372.  
   
   REGIONAL RADARS INDICATED THE LEAD CLUSTER OF TSTMS MOVING SEWD AT
   30-35 KT...WITH THIS ACTIVITY EXPECTED TO EXIT WW 372 BETWEEN
   10-11Z.  ADDITIONAL STORMS CONTINUE TO DEVELOP OVER AND NW OF THE
   DALLAS-FORTH WORTH METROPLEX.  ALTHOUGH STORM INTENSITIES WITH THIS
   LATTER ACTIVITY IS NOT AS STRONG AS STORMS FARTHER SEWD...
   ADDITIONAL TRAINING OVER AREAS THAT ALREADY RECEIVED HEAVY RAINFALL
   RATES WILL ENHANCE RUNOFF CONCERNS.  40 KT SSWLY LLJ IS MAINTAINING
   A FEED OF MODERATE INSTABILITY INTO THE N/NERN TX MCS WITH IR
   SATELLITE IMAGERY SHOWING PERSISTENT COLD CLOUD TOPS.  EFFECTIVE
   BULK SHEAR OF 40-50 KT AND THE MODERATE INSTABILITY ARE EXPECTED TO
   MAINTAIN THE THREAT FOR DAMAGING WINDS AND HAIL AS ACTIVITY TRACKS
   SEWD INTO SERN TX.
   
   ..PETERS.. 06/11/2009
   
   
   ATTN...WFO...LCH...SHV...HGX...FWD...
   
   LAT...LON   32229761 32609804 33389842 33409735 33149677 32839603
               32399454 30819360 30169430 29989536 30309575 31819669
               32229761