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Mesoscale Discussion 808
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   MESOSCALE DISCUSSION 0808
   NWS STORM PREDICTION CENTER NORMAN OK
   0159 PM CDT WED MAY 27 2015

   AREAS AFFECTED...VT/NERN NY SSWWD INTO THE MID-ATLANTIC REGION

   CONCERNING...SEVERE THUNDERSTORM WATCH 227...

   VALID 271859Z - 272100Z

   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 227
   CONTINUES.

   SUMMARY...A BAND OF STRONG/LOCALLY SEVERE STORMS CONTINUES MOVING
   ACROSS THE WW AREA.

   DISCUSSION...LATEST RADAR LOOP SHOWS A BROKEN BAND OF LOCALLY
   VIGOROUS STORMS EXTENDING FROM NWRN VT SSWWD INTO SERN PA...WHICH
   CONTINUES TO MOVE EWD THROUGH AN AMPLY UNSTABLE ENVIRONMENT /1000 TO
   1500 J/KG MIXED-LAYER CAPE/.  LATEST WSR-88D VWP DATA FROM ACROSS
   THE WW CONTINUES TO DEPICT SHEAR PROFILES SUPPORTIVE OF
   ORGANIZED/LOCALLY SEVERE STORMS CAPABLE OF PRODUCING DAMAGING WIND
   GUSTS...AND AS SUCH EXPECT SEVERE RISK TO CONTINUE LOCALLY OVER THE
   NEXT COUPLE OF HOURS AS STORMS CONTINUE EWD.  WITH MARGINALLY
   SUFFICIENT INSTABILITY EXTENDING AS FAR E AS PORTIONS OF
   ME/VT/CENTRAL MA...WE WILL CONTINUE TO MONITOR CONVECTIVE EVOLUTION
   AS IT PERTAINS TO POTENTIAL FOR DOWNSTREAM WW ISSUANCE.

   ..GOSS.. 05/27/2015


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

   LAT...LON   45537041 45297013 44457052 41347318 38447513 38447711
               39087803 42137588 44957324 45027165 45537041 

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Page last modified: May 27, 2015
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