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Mesoscale Discussion 1032
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   MESOSCALE DISCUSSION 1032
   NWS STORM PREDICTION CENTER NORMAN OK
   0710 PM CDT WED JUN 10 2009
   
   AREAS AFFECTED...CNTRL/SRN MO INTO SRN IL
   
   CONCERNING...TORNADO WATCH 367...
   
   VALID 110010Z - 110115Z
   
   THE SEVERE WEATHER THREAT FOR TORNADO WATCH 367 CONTINUES.
   
   OBSERVATIONAL TRENDS CONTINUE TO BE MONITORED FOR A POSSIBLE WW
   DOWNSTREAM OF WW 367.
   
   00Z SUBJECTIVE SURFACE ANALYSIS PLACED A MESOLOW AROUND 30 S SZL
   WITH QUASI-STATIONARY FRONT DRAPED EWD TO NEAR DEC AND COMPOSITE
   COLD FRONT/OUTFLOW BOUNDARY DRAPED SWD FROM THE CYCLONE TO FSM.
   RECENT RADAR IMAGERY DEPICTS CONSOLIDATION OF MORE CELLULAR
   CONVECTIVE ELEMENTS INVOF THE CYCLONE AND ALONG FRONTAL AXIS...WITH
   A RECENT INCREASE IN ACTIVITY IN THE AMBIENT WARM SECTOR ACROSS
   S-CNTRL MO. GIVEN A VERY UNSTABLE AIR MASS /AS SAMPLED BY 00Z SGF
   RAOB/ AMIDST AROUND 30 KT OF MODERATE DEEP-LAYER SHEAR /PER AREA
   PROFILERS AND VWP DATA/...A PROPENSITY FOR ORGANIZED CLUSTERS WITH
   OCCASIONAL SUPERCELL STRUCTURES WILL CONTINUE. AS SUCH...AN
   ADDITIONAL WW MAY BE NEEDED AS TSTMS LIKELY EVOLVE EWD TOWARDS AND
   ACROSS THE MID-MS RIVER VALLEY.
   
   ..GRAMS.. 06/11/2009
   
   
   ATTN...WFO...PAH...ILX...MEG...LSX...SGF...
   
   LAT...LON   37129324 38299311 39179162 39529035 39558946 39408865
               39188826 38728812 37308841 36598906 36598998 36579237
               36579336 37129324 
   
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