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Mesoscale Discussion 881
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   MESOSCALE DISCUSSION 0881
   NWS STORM PREDICTION CENTER NORMAN OK
   0312 PM CDT SAT JUN 07 2014

   AREAS AFFECTED...A SMALL PART OF NWRN TN AND FAR SWRN KY

   CONCERNING...SEVERE THUNDERSTORM WATCH 252...

   VALID 072012Z - 072115Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 252
   CONTINUES.

   SUMMARY...IN THE SHORT-TERM...A TORNADO RISK WILL EXIST ACROSS A
   SMALL PART OF NWRN TN AND FAR SWRN KY.

   DISCUSSION...AN INTENSIFYING CLUSTER OF STORMS WITH AN EMBEDDED
   SUPERCELL IS CROSSING THE VICINITY OF THE OHIO/MISSISSIPPI RIVERS
   CONFLUENCE. THIS CONVECTION IS SHIFTING EWD/SEWD...WITH THE EMBEDDED
   SUPERCELL RECENTLY HAVING TRACKED NEAR NEW MADRID WHILE POSSESSING
   NOTABLE DEVIANT MOTION FROM THE MEAN WIND VECTOR. FORWARD MOTION OF
   THIS ACTIVITY IS AROUND 25-30 KT INTO A MODERATELY/STRONGLY UNSTABLE
   AIR MASS. AREA VWP DATA INDICATE WEAK LOW-LEVEL SHEAR.
   HOWEVER...STORM-INDUCED HYDRODYNAMIC PRESSURE PERTURBATIONS OWING TO
   MODERATE DEEP SHEAR COUPLED WITH RICH BOUNDARY-LAYER MOISTURE -- SFC
   DEWPOINTS IN THE LOWER 70S -- WILL CONTINUE TO FOCUS A LOCALIZED
   CORRIDOR OF SOME TORNADO RISK IN THE SHORT-TERM...IN ADDITION TO
   DAMAGING WINDS AND LARGE HAIL.

   ..COHEN/WEISS.. 06/07/2014


   ATTN...WFO...PAH...MEG...

   LAT...LON   36398965 36588911 36838873 36688848 36278870 36108920
               36168948 36398965 

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Page last modified: June 07, 2014
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