SPC 0730Z Day 3 Outlook
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0214 AM CDT Tue Aug 10 2021 Valid 121200Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM A PORTION OF THE NORTHEAST STATES INTO THE OHIO VALLEY AND MIDWEST REGIONS... ...SUMMARY... A few strong to severe storms with isolated damaging wind the main threat will be possible from a portion of the Northeast States into the Ohio Valley and Midwest regions on Thursday. ...Northeast States through Ohio Valley and Midwest... Upper trough will remain situated from the upper MS Valley into the Great Lakes region Thursday. A cold front will extend from the Great Lakes west into the central Plains where it will likely stall. Areas of thunderstorms may be in progress over a part of the Great Lakes and OH Valley, but should gradually diminish through the morning. The pre-frontal warm sector will likely once again become moderately to strongly unstable during the afternoon with 2500-3500 J/kg MLCAPE likely as the surface layer warms. Thunderstorms will redevelop along and south of the front during the afternoon, including along remnant outflow boundaries and lake breezes. Stronger winds aloft will remain north of the warm sector which will be characterized by weak vertical shear. Nevertheless, storms may evolve into clusters and line segments and become capable of producing isolated strong to damaging gusts as the boundary layer destabilizes. ..Dial.. 08/10/2021 Read more LIVE: spc.noaa.gov
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