Severe thunderstorms into Wednesday night will threaten 19 million people from Texas and the southern and central Plains to the lower Ohio Valley. The threat on Wednesday includes the potential for a couple of strong tornadoes.
The severe weather on Wednesday is part of a multiple-day severe weather event that will continue through the end of the week and will reach parts of the Midwest, East and South.
Cities in the area of concern for dangerous and disruptive weather conditions into Wednesday night include Dallas; Wichita, Kan.; Oklahoma City and Tulsa, Okla.; Little Rock and Fort Smith, Ark.; Kansas City, Springfield, Joplin and St. Louis, Mo.; Shreveport, La.; Memphis, Tenn.; Paducah, Ky.; Evansville, Ind.; and Mt. Vernon, Ill.
Some of the storms will have the potential to flood roadways and have hail large enough to cause injury, break windows and damage vehicles.
Travel delays and difficult driving conditions are possible along I-35, I-40, I-44 and I-70 in the region.
The storms into Wednesday night will bring large hail and flash flooding to a number of communities in Arkansas, Missouri, southern Illinois, northern Louisiana, northern Mississippi, western Tennessee, western Kentucky and southern Indiana. A few the storms in this area can also bring damaging wind gusts and a tornado.
According to AccuWeather Enterprise Solutions Senior Vice President and Chief Innovation Executive Mike Smith, "There is the potential for a couple of large tornadoes along the Kansas/Oklahoma border Wednesday evening."
Dangerous storms Wednesday evening can fire as far south as portions of northern Texas. The powerful, more isolated storms that erupt over the central and southern Plains will also bring an elevated risk for damaging winds and large hail.
Impact may also be felt by those headed to the ballpark to watch the Texas Rangers host the Philadelphia Phillies Wednesday evening in Dallas.
According to Severe Weather Meteorologist Scott Breit, "The storms Wednesday evening will fire near the boundary of dry air to the west, warm, moist air to the southeast and cool air to the northeast."
This phenomenon is known as a dry line.
While the coverage of severe weather is forecast to expand greatly on Thursday, people should stay on alert prior to and following the main event.
Smith passed along a saying among storm chasers, "The day before the day is often the day that catches people by surprise."
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