The massive storm complex caused a wide range of weather events including a major serial derecho stretching from the Gulf Coast to the Great Lakes, a widespread tornado outbreak across the Southeast United States and Midwest and a blizzard across portions of the Canadian Prairies and the Dakotas.

[2][3] The cyclone's lowest minimum pressure of 955.2 mb (28.21 inHg) made it the second most intense non-tropical system recorded in the continental United States (CONUS).

The non-tropical cyclonic storm generated wind speeds of up to 70 mph, caused by a severe low pressure zone over Nebraska on October 24.

[7] Severe weather battered Illinois, Indiana, Michigan, and Ohio on the 25th and 26th of October, producing strong winds, rain, hail, and widespread tornadoes.

[6] A GOES satellite image on October 26 showed what could be considered the eye of the storm over the Minnesota-Ontario border, with outlying clouds reaching as far as Alberta, southern Nunavut, Newfoundland, eastern Montana, Colorado, Louisiana, Maine, and Bermuda.

[8] On the morning of October 26, a serial derecho caused widespread damage in Kentucky, Tennessee, Illinois, Wisconsin, Michigan, and Ohio Tuesday.