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Mesoscale Discussion 813
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   MESOSCALE DISCUSSION 0813
   NWS STORM PREDICTION CENTER NORMAN OK
   0349 PM CDT WED MAY 27 2015

   AREAS AFFECTED...FROM WRN ME SSWWD TO NJ/ERN PA

   CONCERNING...SEVERE THUNDERSTORM WATCH 227...

   VALID 272049Z - 272215Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 227
   CONTINUES.

   SUMMARY...RISK FOR ISOLATED DAMAGING WIND GUSTS CONTINUES.

   DISCUSSION...LATEST RADAR LOOP SHOWS SOME UPTICK IN CONVECTIVE
   INTENSITY ACROSS PARTICULARLY NRN PORTIONS OF THE WW AREA.  AIRMASS
   DOWNSTREAM REMAINS SUFFICIENTLY UNSTABLE TO SUPPORT CONVECTIVE
   MAINTENANCE...AND SHEAR LIKEWISE SUPPORTS CONTINUED SEVERE RISK. 
   WITH A VERY WARM AIRMASS INDICATED E OF THE WW...WITH DEWPOINT
   DEPRESSIONS SUPPORTIVE OF SOME ENHANCEMENT TO DOWNDRAFTS/OUTFLOW
   WINDS...NEW WW MAY BE REQUIRED DOWNSTREAM.

   ..GOSS.. 05/27/2015


   ATTN...WFO...GYX...BOX...BTV...OKX...ALY...PHI...BGM...CTP...

   LAT...LON   39637409 39507483 39767604 41507513 42177433 43007394
               45277126 45307015 44606996 42577217 41767243 40767376
               39637409 

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Page last modified: May 27, 2015
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