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Severe Weather and Heavy Rainfall Potential for the Plains; Coastal Low Across the mid-Atlantic

An upper trough and frontal boundary will focus showers and thunderstorms across portions of the Plains through early Monday; A few severe thunderstorms along with heavy rainfall are expected. Meanwhile, low pressure off the Southeast Coast will bring inclement weather across the mid-Atlantic coast through Monday. This system is forecast to meander off the coast then track inland early this week. Read More >

Overview

Summary:

Numerous thunderstorms developed across northern Illinois, especially along the I-55 corridor, during the late morning on Thursday, March 14. These shifted east through the early afternoon into northwest Indiana. Several of these storms were supercells, and what meteorologists call "low-topped", in that they were not particularly deep as in late spring or summer. However, due to a potent weather system over the Plains, a very strong atmospheric wind field had enveloped the area helping storms to have a wind threat and rotate, bringing tornado potential. A brief EF-0 tornado occurred near Lowell, Indiana. In addition, very cold air aloft resulted in many storms having at least small hail, and a few bringing large hail. Strong non-thunderstorms winds then followed through the afternoon and evening.

Summary
Event Summary
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