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Mesoscale Discussion 1842
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   MESOSCALE DISCUSSION 1842
   NWS STORM PREDICTION CENTER NORMAN OK
   0905 PM CDT THU AUG 30 2012
   
   AREAS AFFECTED...MS
   
   CONCERNING...TORNADO WATCH 598...
   
   VALID 310205Z - 310300Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 598 CONTINUES.
   
   SUMMARY...THE TORNADO THREAT ACROSS MS WILL LIKELY CONTINUE LATE
   THIS EVENING LASTING INTO THE OVERNIGHT PERIOD. A NEW TORNADO WATCH
   WILL NEED TO BE ISSUED PRIOR TO 03Z ACROSS PARTS OF MS.
   
   DISCUSSION...THE CENTER OF TROPICAL DEPRESSION ISAAC IS LOCATED IN
   SRN AR WITH SEVERAL DISTINCT BUT VERY NARROW RAINBANDS EXTENDING SWD
   ACROSS MS. MESOANALYSIS SUGGESTS THE STRONGEST LOW-LEVEL FLOW IS
   PRESENT FROM ABOUT 100 STATUTE MILES NORTH OF ISAACS CENTER WRAPPING
   SEWD INTO NRN AND WRN MS ON THE NE QUADRANT OF ISAAC. REGIONAL
   WSR-88D VWPS ALONG WITH THE JACKSON 00Z SOUNDING SHOW 50 TO 55 KT OF
   FLOW IN THE 1 TO 3 KM LAYER WITH SOME BACKING NEAR THE SFC. THIS
   WIND PROFILE ALONG WITH SFC DEWPOINTS IN THE LOWER TO MID 70S F AND
   LCL HEIGHTS AROUND 500 METERS SHOULD BE FAVORABLE FOR LOW-CLOUD BASE
   ROTATION WITH POTENTIAL TO PRODUCE TORNADOES. THE TORNADO THREAT IS
   EXPECTED TO CONTINUE THROUGH THE OVERNIGHT PERIOD AND MAY GRADUALLY
   SHIFT NWD WITH TIME.
   
   ..BROYLES.. 08/31/2012
   
   
   ATTN...WFO...MOB...MEG...JAN...LIX...LZK...
   
   LAT...LON   30358838 30368870 30478901 30188949 30348966 30618980
               30759024 30959042 30989058 31349053 31349114 31399130
               31299161 31809133 32269093 32639105 33229113 33999099
               34139082 34119066 33979062 33979043 33829038 33798991
               33898990 33848971 33858952 33768953 33708913 33718893
               33818889 33818871 33698872 33668855 33668839 33748826
               31918848 30948846 30358838 
   
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