A Complex Flow Regime Will Exist Across The Nrn Plains And Upper Ms Valley On Tue...Contributing To Forecast Uncertainty This Period.
At The Beginning Of The Period...Relatively Dry Air Is Forecast To
Reside Across The Ern Dakotas And Mn...As Well As Nrn Wi...With A
Quasi-Stationary Boundary From Cntrl Sd Ewd Into Srn Wi.
Meanwhile...A Cold Front Should Exist Across The Wrn Dakotas...With
Ongoing Convection Likely Along It. The Front...As Well As Outflow... Is Forecast To Surge Ewd Relatively Quickly...Preventing The Stationary Front From Advancing Nwd. As A Result...The Stronger Instability Is Expected To Be Generally S Of The Srn Borders Of Mn And Wi During The Day.
Ongoing Early Storms Over Sd Could Persist And Perhaps Rejuvenate Over Neb Closer To Where Heating Will Occur. Nam And Gfs Both Suggest The Greatest Threat Corridor Will Be From Ern Neb Into Ia During The Day. Uncertainty Exists As To How Far Ewd Any Mcs Might Get...But It Appears Potential For Damaging Winds Will Exist Across IIl Overnight.
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