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Mesoscale Discussion 558
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   MESOSCALE DISCUSSION 0558
   NWS STORM PREDICTION CENTER NORMAN OK
   0119 AM CDT SUN MAY 11 2014

   AREAS AFFECTED...MUCH OF SRN NEBRASKA INTO SWRN IA

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 110619Z - 110845Z

   PROBABILITY OF WATCH ISSUANCE...40 PERCENT

   SUMMARY...STORMS ARE EXPECTED TO FORM LATER TONIGHT N OF THE WARM
   FRONT. MARGINALLY SEVERE HAIL COULD OCCUR.

   DISCUSSION...AN UNSTABLE AIR MASS CONTINUES TO SPREAD NWD ACROSS KS
   AND WILL ENTER SOUTHERN NEBRASKA AND IA LATER TONIGHT COURTESY OF
   WARM ADVECTION WITH A STRONG LOW LEVEL JET. MODELS ARE IN GENERAL
   AGREEMENT DEPICTING STORMS DEVELOPING BY 08-09Z ACROSS THE I-80
   CORRIDOR. COOL TEMPERATURES ALOFT AND AMPLE EFFECTIVE SHEAR WILL
   FAVOR A FEW HAIL CORES TRAVERSING SRN NEBRASKA AND AFFECTING SWRN IA
   BY 12Z.

   ..JEWELL/CORFIDI.. 05/11/2014


   ATTN...WFO...DMX...EAX...OAX...GID...LBF...GLD...

   LAT...LON   40349485 40149540 40129716 40109857 40109988 40250061
               40750057 41239919 41589755 41749620 41719563 41519489
               41149457 40929449 40669456 40349485 

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Page last modified: May 11, 2014
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