ZCZC SPCSWOMCD ALL ACUS11 KWNS 082358 SPC MCD 082358 MOZ000-ARZ000-KSZ000-OKZ000-090130- Mesoscale Discussion 1207 NWS Storm Prediction Center Norman OK 0658 PM CDT Sat Jun 08 2024 Areas affected...Southern Missouri Region Concerning...Severe Thunderstorm Watch 399... Valid 082358Z - 090130Z The severe weather threat for Severe Thunderstorm Watch 399 continues. SUMMARY...Convection should increase across ww399 this evening along with an attendant severe risk for wind/hail. DISCUSSION...Weak short-wave ridging is expected to gradually relax this evening. This is supported by a recent uptik in convection south of a weak surface boundary that is currently draped east-west, just south of I70. Visible satellite imagery depicts a considerable amount of agitated cu from southeast KS into south-central MO where several robust thunderstorm clusters are maturing. This activity is evolving within a very unstable air mass, and cloud tops suggest these updrafts are processing air efficiently. Current thinking is a considerable amount of convection may ultimately evolve across ww399 and large hail and damaging winds are possible with these storms. ..Darrow.. 06/08/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PAH...MEG...LSX...LZK...SGF...EAX...TSA... LAT...LON 38549480 37779021 36179019 36969482 38549480 NNNN