Morning Severe Thunderstorm Event-Kirtland, Ohio-June 7, 2011-Part One

A complex of severe thunderstorms known as a mesoscale convective system (MCS) developed around Lake Huron and southern Ontario Province of Canada during the early morning hours. This MCS then moved south and southeast across Lake Erie and onshore in northern Ohio between 7:30AM and 8AM. The MCS was into central Ohio by noon. Damaging winds of 60 to possibly in excess of 70mph occurred along the leading edge of this MCS because it formed into a squall line. Scattered trees and power lines were knocked down across the region.The cause of the MCS was an upper level ridge of high pressure/heat wave moving across the midwest combined with fast jetstream winds along the rim of the heat wave. This tends to allow complexes of thunderstorms to form along the northern and eastern rim of the heat and then move south and southeastward along the rim of the advancing heat.

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