Thunderstorm Wind in St. Charles County, Missouri

Thunderstorm winds caused damage to power poles across the far western portion of the county, extending from New Melle north into Wentzville and Flint Hill. Along its path, there were multiple reports of snapped trees/branches, snapped power poles, downed lines, one downed transformer, and one home with shingles missing from its roof near New Melle. This thunderstorm went on to produce additional wind damage in Lincoln County.

The environment during the afternoon of April 17th was primed for the development of severe thunderstorms. Semi-discrete convection blossomed ahead of a cold front during the early afternoon, causing wind damage and large hail in portions of central and east-central Missouri. Later in the afternoon, thunderstorms more closely tied to the cold front produced 4 tornadoes in Missouri.