Mesoscale Discussion 1474 NWS Storm Prediction Center Norman OK 1247 AM CDT Thu Aug 13 2020 Areas affected...South-Central/Southeast KS...Northeast OK Concerning...Severe potential...Watch unlikely Valid 130547Z - 130745Z Probability of Watch Issuance...20 percent SUMMARY...Isolated severe hail possible across south-central/southeast KS and adjacent northeast OK for the next few hours. DISCUSSION...Thunderstorms have developed over the past 1-2 hours across south-central KS and adjacent northeast OK. This development was supported by a strengthening low-level jet and the resulting warm-air advection across the warm and moist air mass in place across the southern Plains. Thus far, storms have remained along the northeastern periphery of the stronger northwesterly flow aloft, in an area of generally modest vertical shear. Even so, the combination of modest vertical shear and moderate/strong buoyancy will still result in updrafts occasionally strong and organized enough to produce large hail. Warm low to mid-level temperatures (generally from 850 to 700 mb) will likely keep these storms elevated for at least the next several hours, minimizing the potential for damaging wind gusts. ..Mosier/Hart.. 08/13/2020 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...TSA...TOP...ICT...OUN... LAT...LON 37569740 38179784 38719728 38689626 36479531 35819580 35649669 36879712 37569740Read more
from SPC Forecast Products http://www.spc.noaa.gov/products/md/md1474.html
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