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Mesoscale Discussion 339
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   MESOSCALE DISCUSSION 0339
   NWS STORM PREDICTION CENTER NORMAN OK
   0623 PM CDT WED APR 06 2016

   AREAS AFFECTED...FAR SOUTH-CENTRAL KY...PORTIONS OF MIDDLE INTO
   EASTERN TN...EASTERN MS...NORTHERN/CENTRAL AL...AND NORTHWEST GA

   CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE 

   VALID 062323Z - 070130Z

   PROBABILITY OF WATCH ISSUANCE...40 PERCENT

   SUMMARY...GUSTY WINDS WILL ACCOMPANY STORMS THIS EVENING. SPORADIC
   STRONGER GUSTS MAY APPROACH SEVERE THRESHOLDS...BUT OVERALL THREAT
   IS EXPECTED TO REMAIN LIMITED. A WATCH IS NOT EXPECTED AT THIS
   TIME...BUT CONVECTIVE TRENDS WILL BE MONITORED CLOSELY.

   DISCUSSION...AN INITIAL BAND OF STORMS ALONG A PRE-FRONTAL
   CONFLUENCE ZONE FROM SOUTH-CENTRAL KY INTO NORTH-CENTRAL AL WAS
   RESULTING IN SPORADIC GUSTY WINDS PER REPORTS FROM NWS LMK AND OHX.
   ADDITIONAL THUNDERSTORMS WERE NOTED ALONG/JUST AHEAD OF THE SURFACE
   COLD FRONT ACROSS NORTHERN MS TOWARD THE TN BORDER. MEAGER BOUNDARY
   LAYER MOISTURE WITH SURFACE DEWPOINTS MAINLY IN THE 40S TO NEAR 50
   DEG F AND TEMPERATURES IN THE 60S TO LOW 70S HAS RESULTED IN ONLY
   WEAK DESTABILIZATION LATE THIS AFTERNOON. HOWEVER...STEEP LOW LEVEL
   LAPSE RATES GREATER THAN 7.5 DEG C PER KM AND 0-1 KM SHEAR AROUND
   35-45 KT WILL CONTINUE TO SUPPORT SPORADIC/MARGINALLY SEVERE WINDS
   INTO THE EVENING HOURS. WHILE A WATCH DOES NOT APPEAR TO BE NEEDED
   AT THIS TIME...TRENDS WILL BE MONITORED CLOSELY.

   ..LEITMAN/THOMPSON.. 04/06/2016


   ATTN...WFO...MRX...JKL...FFC...LMK...OHX...BMX...HUN...MEG...
   JAN...

   LAT...LON   32908614 32508707 32378799 32538869 32668912 32968935
               33278927 33968904 34408865 35098758 36148679 36658636
               36808593 36818565 36748514 36538476 35768444 35098459
               34308481 33868512 32908614 

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Page last modified: April 07, 2016
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