 This heat wave was somewhat similar in structure but less deadly than the 1995 Heat Wave which had also spawned several destructive derechos across the Great Lakes.After an initial cool down period following the mid-July storms, the intense heat built-up again over the Great Lakes region toward the end of July, sparking another series of severe storms, mostly in Canada.Although winds were not as widespread as on the July 17th events, severe tornado-producing storms fired