National Weather Service United States Department of Commerce

Overview

A strong low pressure system brought three rounds of thunderstorms to central and southeast Illinois between Wednesday night, March 13th and Thursday evening, March 14th. The first round arrived late Wednesday evening of March 13 when a warm front lifted north through the area. The storms produced large to very large hail in central and eastern Illinois, with golf ball size hail (1.75") reported south of Mattoon. A line of storms brought another round of severe weather on Thursday morning. Strong winds and sporadic large hail were the primary hazards reported with this round. The third and final wave of storms occurred late Thursday afternoon and evening of March 14, with several discrete supercells producing significant hail, damaging winds, and a few funnel clouds. The largest hail from the event occurred in Nortinville, IL (Morgan Co.) where a handful of significant stones measures 2-4" in diameter.  

 

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