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Mesoscale Discussion 329
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   MESOSCALE DISCUSSION 0329
   NWS STORM PREDICTION CENTER NORMAN OK
   0912 PM CDT SAT APR 12 2014

   AREAS AFFECTED...NERN KS...NWRN MO...FAR SERN NEB...FAR SWRN IA

   CONCERNING...SEVERE THUNDERSTORM WATCH 71...

   VALID 130212Z - 130315Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 71
   CONTINUES.

   SUMMARY...PRIMARY THREAT WITHIN WW 71 WILL BE LARGE HAIL...AND
   PRIMARILY ASSOCIATED WITH TSTMS ALONG/NEAR A QUASI-STATIONARY FRONT
   ACROSS THE MID-MO VALLEY.

   DISCUSSION...TSTM CLUSTER EXHIBITING OCCASIONAL SUPERCELL
   CHARACTERISTICS IS PERSISTING ACROSS RILEY AND POTTAWATOMIE COUNTIES
   KS...WITH SEVERAL REPORTS OF SIGNIFICANT HAIL NOTED. A LEFT SPLIT
   EMANATING FROM THIS CLUSTER IS RAPIDLY PROGRESSING NEWD ACROSS NWRN
   MO INTO SWRN IA. 00Z SOUNDING FROM TOP SHOWS A SUBSTANTIAL CAPPING
   INVERSION IS IN PLACE NEAR 2 KM AGL. AS THE BOUNDARY LAYER CONTINUES
   TO COOL/STABILIZE...TSTMS ARE LIKELY TO BECOME INCREASINGLY
   ELEVATED. VERY STEEP MIDLEVEL LAPSE RATES AND MODERATE CLOUD-LAYER
   SHEAR WILL CONTINUE TO SUPPORT A PRIMARY THREAT FOR HAIL...WHICH
   WILL BE GREATEST WITHIN A LOW-LEVEL WAA REGIME ORIENTED PARALLEL TO
   THE QUASI-STATIONARY FRONT FROM NERN KS NEWD INTO CNTRL IA.

   ..ROGERS/EDWARDS.. 04/13/2014


   ATTN...WFO...DMX...EAX...OAX...TOP...ICT...

   LAT...LON   40759360 39699464 39199535 38149659 37999750 38359781
               39049735 39309687 40039619 40789555 40929524 40989479
               40989408 40759360 

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Page last modified: April 13, 2014
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