Another Round of Severe Weather Possible Tonight

DES MOINES, Iowa – Another round of severe storms is possible in Central Iowa Tuesday night. The Storm Prediction Center has placed much of Iowa in a slight risk for severe weather.

Similar dynamics are in place as we saw on Monday. An upper level low is spinning over the northern plains states with a warm front extended along the Minnesota-Iowa border. That front will not move much staying nearly stationary.

A wave of energy will push into Nebraska and Iowa from eastern Colorado this evening. This energy will meet up with the heat and humidity building across Central Iowa leading to the development of isolated storms.

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Today’s heat will help slow the development of storms, but isolated storms are expected to develop in the northern part of the state at the edge of the warm air mass. Storms may begin to form after 6 p.m.. These storms may become intense quickly and produce large hail, damaging winds and even tornadoes.

Late tonight, the storms may form into lines of storms that could again sweep through Central. As the night progresses, high winds will be the greatest severe weather threat. These storms will likely move towards the south and east.

A Flash Flood Watch is in effect for northern Iowa from 7 PM until 7 AM. The northern part of the state is already saturated due to the heavy rains the past few days. Another 1 to 3″ will fall north of Highway 30 tonight due to storm complexes that look to develop and move across northern Iowa. This will lead to flash flooding on area streets, along and in ditches, and in farm fields. Water may quickly pond.

Flash Flood Watch

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