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Mesoscale Discussion 668
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   MESOSCALE DISCUSSION 0668
   NWS STORM PREDICTION CENTER NORMAN OK
   1046 AM CDT FRI MAY 23 2014

   AREAS AFFECTED...ERN NC...NRN SC

   CONCERNING...SEVERE POTENTIAL...SEVERE THUNDERSTORM WATCH LIKELY 

   VALID 231546Z - 231815Z

   PROBABILITY OF WATCH ISSUANCE...80 PERCENT

   SUMMARY...ALTHOUGH SEVERE RISK SHOULD REMAIN LOCALIZED IN THE
   NEAR-TERM...STORMS WILL INCREASE IN COVERAGE LATER THIS AFTERNOON
   WITH LARGE HAIL AS THE PRIMARY HAZARD.

   DISCUSSION...JUST AHEAD OF A DECAYING MCV AND ALONG A DIFFUSE COLD
   FRONT...AN INITIAL STRONG TO LOCALLY SEVERE STORM HAS FORMED OVER
   NRN MOORE COUNTY. ADDITIONAL CU IS BEGINNING TO FORM S OF THIS CELL
   IN S-CNTRL NC...WITH CU LIKELY TO FORM ALONG THE TRAILING PORTION OF
   CONVECTIVE OUTFLOW INTO SC IN THE NEXT COUPLE OF HOURS. AIR MASS
   CONTINUES TO DESTABILIZE ALONG AND S OF THE FRONTAL ZONE...LIKELY
   YIELDING MODERATE BUOYANCY AMIDST STEEP LAPSE RATES OBSERVED IN 12Z
   RAOBS. DESPITE A PREDOMINATELY WLY COMPONENT AND WEAK LOW-LEVEL
   WINDS...A 50 KT SPEED MAX AT 500 MB WILL SUPPORT
   ELONGATED/STRAIGHT-LINE HODOGRAPHS. ROTATING UPDRAFTS WITH STORM
   SPLITS APPEAR PROBABLE WITH LARGE HAIL /A FEW SIGNIFICANT/ AND
   LOCALIZED DAMAGING WINDS AS THE PRIMARY HAZARDS.

   ..GRAMS/CORFIDI.. 05/23/2014


   ATTN...WFO...MHX...RAH...ILM...CHS...CAE...GSP...

   LAT...LON   35817895 35507695 34857669 33277922 33407990 33868090
               34348171 34668191 34928166 35008127 34968042 35048005
               35287964 35817895 

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Page last modified: May 23, 2014
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