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A vigorous storm will trigger severe weather in the central United States into Monday night.
The storms will erupt as summerlike heat and humidity, being drawn northward from the Gulf of Mexico, clashes with abnormally chilly air plowing eastward into the northern Plains.
“The greatest threat for tornadoes into Monday night will be from western Iowa to eastern Kansas and western Missouri,” AccuWeather Meteorologist Brett Rathbun said.
The highest probability of tornadoes typically occurs within the first couple of hours of storm formation, and this case should behave no differently.
“As the individual storms into a solid line, damaging winds and torrential downpours will become the primary threats during the overnight hours as it pushes eastward, impacting cities such as Des Moines, Iowa,” Rathbun said.
In addition to tornadoes and damaging winds, the potential for large hail will also be on the table.
Although flash flooding would typically be a concern in this type of setup, that risk will be minimized since much of the central U.S. remains in a moderate to severe drought and needs the upcoming rain.
“However, travel along Interstates 35, 70 and 80 may become difficult, and drivers are urged to reduce speed in any heavy downpour,” Rathbun said.
The risk of hydroplaning increases dramatically on wet roadways when traveling at highway speeds.
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In addition, residents in the path of Monday’s storms should be prepared for power outages, as well as tree and property damage.
Move vehicles inside a garage or other shelter when violent storms threaten to avoid windshield and window damage from destructive hail.
For those with outdoor plans such as fishing, biking, jogging, swimming or golfing, make sure to stay abreast of the latest severe weather alerts and be in a position to move indoors quickly at the first clap of thunder since lightning is then close enough to strike.
Large portions of interstates 29, 35, 70 and 80 lie within Monday’s threat zone, so motorists with travel plans should be prepared for significant travel delays and turn around if they come across flooded roadways.
As the storm system responsible for the multi-day span of severe weather moves into the Ohio Valley by midweek, it will lose much of its energy and only produce hit-or-miss showers and storms in these areas.
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