Mesoscale Discussion 1018 NWS Storm Prediction Center Norman OK 1135 PM CDT Fri Jun 26 2020 Areas affected...Northern Ohio...Northwest Pennsylvania Concerning...Severe Thunderstorm Watch 309... Valid 270435Z - 270630Z The severe weather threat for Severe Thunderstorm Watch 309 continues. SUMMARY...Thunderstorms should increase across the northern portions of ww309 over the next few hours. Locally damaging winds remain the primary threat. DISCUSSION...Long-lived MCS that developed over WI has progressed into southeast lower MI, extending west-southwest across northern Indiana. Within this complex, an MCV appears to be embedded northwest of DTW. Convection is strongest immediately ahead of this feature where isolated severe winds continue. Additionally, strong storms also arc southeast along a corridor of warm advection into northeast OH. While much of the convective outflow associated along the leading edge of this complex is less than 40kt, winds recently gusted to 51kt at TOL. This portion of the squall line should propagate across northern OH, along the south shore of Lake Erie over the next few hours. ..Darrow.. 06/27/2020 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...PBZ...CLE...ILN...IWX... LAT...LON 41008474 42638027 41397972 39778419 41008474Read more
from SPC Forecast Products http://www.spc.noaa.gov/products/md/md1018.html
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