Category 6: Day of Destruction

In part 1 of this two-part TV miniseries, weather anomalies throughout the US signal the gathering forces that will converge on Chicago to create a catastrophic series of tornadoes. Meanwhile, excessive heat in the Chicago area puts pressure on the relationship between a regional electric utility and their biggest electric supplier, and a reporter tries to get a whistle-blower to go on the record about weaknesses in the grid.