 With 130 km/h (80 mph) winds, the storm battered the same areas that had been affected previously.Ameren estimated that the total number of power outages from both this storm and the July 19 storm exceeded 1 million.Barely 36 hours after being hit very hard by the July 19 storms, another derecho — albeit still developing at the time — slammed into the St. Louis area late that morning.