The valid Day 2 convective outlook sounds a bit more promising.
...ERN DAKOTAS INTO THE UPPER GREAT LAKES... SIGNIFICANT MID LEVEL SHORT-WAVE TROUGH IS EXPECTED TO EXTEND FROM MID LEVEL LOW...SEWD ACROSS SERN SD INTO CNTRL IA BY 31/00Z. DEEP LAYER SHEAR WILL INCREASE ACROSS THIS REGION SUCH THAT ANY STORMS THAT EVOLVE COULD ROTATE...POSSIBLY ATTAINING SUPERCELL CHARACTERISTICS. MUCH OF THE MID MS VALLEY/UPPER GREAT LAKES WILL STRUGGLE TO DESTABILIZE APPRECIABLY DUE TO EXTENSIVE CLOUD COVER. HOWEVER STRONG BOUNDARY LAYER HEATING WILL BE NOTED ACROSS NEB INTO SERN SD. STRONG/SEVERE TSTMS WILL LIKELY BE ONGOING AT THE BEGINNING OF THE PERIOD ALONG NOSE OF LLJ AND THIS ACTIVITY SHOULD PROPAGATE/DEVELOP NEWD IN ASSOCIATION WITH THE LLJ INTO SRN WI DURING THE AFTERNOON HOURS.
And that's why.
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