Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0809 PM CDT Fri Aug 28 2020 Valid 290100Z - 291200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM SOUTHEAST WI INTO LOWER MI... ...SUMMARY... A few severe thunderstorms are possible across lower Michigan this evening. A brief tornado and locally damaging winds will remain possible across the Tennessee Valley this evening. Isolated severe thunderstorms are also possible across a broad area of the Great Lakes, Midwest, and Mid-Atlantic regions through much of the night. ...TN Valley into the Mid Atlantic... Convection will likely persist through much of the evening across a broad area from the TN Valley into the Mid Atlantic. Across the TN Valley, low/mid-level shear will remain enhanced ahead of the remnant circulation of Laura. While instability will remain weak, the strongest storms will be capable of locally damaging wind and perhaps a tornado into the late evening. Further east into the Mid Atlantic region, scattered thunderstorms will likely persist through much of the night, with gradually increasing effective shear supporting some modest storm organization with a corresponding threat of locally damaging wind and a brief tornado or two. See MCD 1620 for more information. ...Midwest into the Lower Great Lakes... Some increase in thunderstorm coverage and intensity is possible into lower MI, as a cold front progresses into the region. Moderate instability and sufficient deep-layer shear will support some storm organization with a corresponding threat of hail and locally damaging wind this evening. Toward the end of the period, modestly organized convection may spread into western NY and perhaps far northwest PA, with a corresponding threat of isolated strong/damaging wind gusts. ...Southeast CO into the OK Panhandle and southwest KS... Scattered strong thunderstorms may pose a risk of localized hail/strong wind gusts from southeast CO into the OK Panhandle and southwest KS this evening. Late tonight, convection will likely persist but become increasingly elevated, with a diminishing severe threat, though isolated instances of hail or strong wind gusts cannot be ruled out with the strongest storms overnight. ..Dean.. 08/29/2020Read more
from SPC Forecast Products http://www.spc.noaa.gov/products/outlook/day1otlk_0100.html
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