MESOSCALE DISCUSSION 0544
   NWS STORM PREDICTION CENTER NORMAN OK
   0750 PM CDT FRI APR 19 2013
   
   AREAS AFFECTED...TIDEWATER OF VA/MD...ERN NC...FAR NERN SC
   
   CONCERNING...SEVERE THUNDERSTORM WATCH 134...
   
   VALID 200050Z - 200145Z
   
   THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 134
   CONTINUES.
   
   SUMMARY...ALTHOUGH SEVERE THREAT HAS PEAKED...ISOLATED DAMAGING
   WINDS MAY PERSIST INTO LATE EVENING...PRIMARILY ACROSS THE NRN HALF
   OF WW 134.
   
   DISCUSSION...VERY LONG QLCS FROM NY TO SC WILL CONTINUE TO PROGRESS
   E/NEWD. NRN PORTIONS OF THIS LINE HAS ACCELERATED IN CONCERT WITH
   THE MORE INTENSE LOW/MID-LEVEL FLOW. WITH SLOWER EWD PROGRESSION
   WITHIN THE BULK OF WW 134 AND REFLECTIVITY/ECHO TOPS/LIGHTNING
   TRENDS LARGELY DIMINISHING...OVERALL DAMAGING WIND RISK HAS
   DECREASED. STILL...REMNANT MIDDLE TO UPPER 70S SURFACE TEMPERATURES
   IMMEDIATELY AHEAD OF THE LINE SHOULD STILL SUPPORT ISOLATED DAMAGING
   WINDS WITH THE BULGING SEGMENTS ACROSS THE TIDEWATER TO ERN NC.
   NEVERTHELESS...MARINE LAYER INFLUENCE/MORE STABLE CONDITIONS WERE
   SAMPLED IN THE 00Z MHX/WAL RAOBS. THUS...THE QLCS WILL PROBABLY
   CONTINUE TO WEAKEN/SLOW IN FORWARD SPEED RENDERING AN INCREASINGLY
   MARGINAL SEVERE THREAT.
   
   ..GRAMS.. 04/20/2013
   
   
   ATTN...WFO...AKQ...MHX...RAH...ILM...
   
   LAT...LON   38287543 37777548 35877635 34447738 33717833 33807878
               35577772 38157599 38287543