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Mesoscale Discussion 1212
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   MESOSCALE DISCUSSION 1212
   NWS STORM PREDICTION CENTER NORMAN OK
   0339 PM CDT SAT JUN 27 2015

   AREAS AFFECTED...ERN VA...MD...DE

   CONCERNING...TORNADO WATCH 364...

   VALID 272039Z - 272215Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 364 CONTINUES.

   SUMMARY...THE THREAT FOR TORNADOES AND DAMAGING WIND GUSTS CONTINUES
   ACROSS THE WATCH AREA.

   DISCUSSION...SURFACE ANALYSIS SHOWS PRESSURE FALLS CONCENTRATED OVER
   FROM FAR ERN VA TOWARD DE. RADAR TRENDS HAVE BEEN UPWARD OVER THE
   PAST HOUR OR TWO WITH A SUPERCELLS AND POSSIBLE BRIEF TORNADOES
   ONGOING ACROSS THE DELMARVA. THIS GENERALLY N-S ORIENTED LINE OF
   STORMS WILL CONTINUE TO POSE A TORNADO THREAT AS THEY MOVE ACROSS
   THE BAY. THE MOST NOTABLE STORMS WERE ALONG THE WARM FRONT AND WILL
   HAVE ACCESS TO THE STRONGEST SHEAR. THE DOX VWP SHOWS A LARGE
   HODOGRAPH LOOP WITH 300 M2/S2 0-1 KM SRH...ALTHOUGH PART OF THAT IS
   INEFFECTIVE DUE TO THE COOLER SFC TEMPERATURES. RELATIVELY COMPLEX
   STORM MODES AND INTERACTIONS SUGGEST TORNADOES WILL BE BRIEF.

   ..JEWELL.. 06/27/2015


   ATTN...WFO...PHI...AKQ...LWX...

   LAT...LON   36557582 36577660 36457706 37237732 37937730 39187697
               39157538 39057482 38737496 36557582 

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Page last modified: June 27, 2015
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