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Mesoscale Discussion 320
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   MESOSCALE DISCUSSION 0320
   NWS STORM PREDICTION CENTER NORMAN OK
   1011 PM CDT THU MAR 31 2016

   AREAS AFFECTED...WRN/CNTRL GA...CNTRL/ERN AL...SERN TN

   CONCERNING...TORNADO WATCH 72...73...

   VALID 010311Z - 010415Z

   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 72...73...CONTINUES.

   SUMMARY...TRANSIENT MESOCYCLONES SHOULD POSE A LOW-PROBABILITY
   TORNADO/WIND RISK DURING THE NEXT FEW HOURS AS AN MCS EVOLVES FROM
   PARTS OF AL/FAR SERN TN INTO WRN GA.

   DISCUSSION...A MESSY CLUSTER CONVECTIVE MODE HAS BECOME PREDOMINANT
   WITH AN MCS GRADUALLY SHIFTING E FROM THE TN VALLEY. AREA VWP DATA
   HAVE SAMPLED STRENGTHENING LOW-LEVEL WINDS BUT INCREASINGLY VEERED
   FLOW /SWLYS/ AS WELL. OVER THE NEXT FEW HOURS...THE LOW-LEVEL
   HODOGRAPH SHOULD STILL REMAIN CONDUCIVE TO TRANSIENT MESOCYCLONES.
   WHERE SURFACE DEW POINTS ARE IN THE MIDDLE 60S OR GREATER...ROUGHLY
   BOUNDED TO THE EAST BY THE WRN ATLANTA METRO TO MACON AREA AS OF 
   03Z...A BRIEF TORNADO RISK WILL REMAIN PRESENT. IT APPEARS THIS MAY
   BECOME CONFINED TO MAINLY E-CNTRL AL/W-CNTRL GA GIVEN A
   COMPARATIVELY RICHER FEED OF LOW-LEVEL MOISTURE. FARTHER N ALONG THE
   TN/AL/GA BORDER...THE ABUNDANT OVERTURNING ALONG WITH A PINCHED-OFF
   SURFACE-BASED WARM SECTOR SUGGESTS THE TORNADO THREAT SHOULD SLOWLY
   WANE.

   ..GRAMS.. 04/01/2016


   ATTN...WFO...MRX...FFC...TAE...OHX...BMX...HUN...

   LAT...LON   35118621 35408573 35498526 35308454 34818439 34288462
               33628425 33038353 32478332 32038361 31978425 31958510
               32038604 32118665 32308718 32458719 32878679 33048639
               33088562 33408561 34018610 34368630 35118621 

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Page last modified: April 01, 2016
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