11.   A few nocturnal storms may approach severe levels across Louisiana and Arkansas before dawn Thursday morning.

12.   A few storms could approach severe levels.

13.   A few storms may approach severe levels across parts of Minnesota, Iowa and Wisconsin.

14.   A few storms may approach severe levels, armed with either damaging straight-line winds, large hail or tornadoes.

15.   A few storms could approach severe levels, with hail and strong, straight-line winds possible in isolated spots.

16.   A few storms may approach severe levels early in the day in the north as a jet stream disturbance passes overhead.

17.   A few storms may approach severe levels, with hail and damaging winds in spots.

18.   A few storms will approach severe levels, capable of spawning hail, damaging straight-line winds or tornadoes.

19.   A few storms will approach severe levels, with tornadoes, large hail or damaging straight-line winds possible.

20.   A few storms may approach severe levels, capable of spawning damaging winds and hail.