A significant severe weather event developed on Tuesday from northern Illinois/Indiana back southwest into Texas. The rough weather clipped southeastern Iowa as well with powerful storms developing during the late afternoon hours along and near a very strong surface warm front. The featured screenshot is from the ISU Soil Moisture Network homepage showing 3:30 PM air temperatures over southeastern Iowa on Tuesday. The 81.5°F plotted was near West Point and the 59.4°F was just over 30 miles away to the north near Crawfordsville. This temperature contrast made for a remarkable warm front due to the large temperature change over a very short distance. Strong warm fronts like these are typically trouble for severe weather as storms are focused along the boundary and the boundary helps to provide spin to the storms to produce large hail and even tornadoes.

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Tags:   warmfront