Texas / Kansas / Nebraska / Kentucky / West Virginia / Ohio / Wisconsin / Minnesota / Virginia / Alabama / Wyoming / North Dakota / Illinois / Indiana / Oregon / Connecticut / Michigan / Missouri / South Dakota / New Mexico / Utah / Montana / Oklahoma / Mississippi / Georgia / Iowa / Arizona / Massachusetts / Colorado / Wyoming and northeast Colorado / be seen developing in Texas / Minnesota and Iowa / /
Region
eastern South Dakota / North Platte / central Iowa / western Oklahoma / northern Iowa / Gulf of Mexico / northeast Wyoming / southern Minnesota / western Montana / central Colorado / southwest Kansas / western Texas / central Kansas / northern Missouri / northern Colorado / northern Texas / northeast South Dakota / northeast Colorado / western Nebraska / central US / West Virginia / eastern Colorado / /