The 1999 Blowdown Storm: Looking Back After 20 Years
Series produced by WTIP

During the early-morning hours of July 4, 1999, a series of thunderstorms formed over portions of North and South Dakota. As the day moved along, the storms grew in strength. Some of the storms formed into a bow echo and began moving across Minnesota with damaging winds.
During the early-morning hours of July 4, 1999, a series of thunderstorms formed over portions of North and South Dakota. As the day moved along, the storms grew in strength. Some of the storms formed into a bow echo and began moving across Minnesota with damaging winds.Eventually, the “Boundary Waters Blowdown” would last for over 22 hours, travel more than 1,300 miles at an average speed of almost 60 mph, resulting in widespread devastation in both Canada and the United States. According to estimates by the US Forest Service, an estimated 25 million trees were blown down during the storm.As the storm raced into northeast Minnesota during the early afternoon of July 4th, its power was unleashed on many people camping in the Boundary Waters Canoe Area Wilderness and other parts of Cook... Show full description
4 Pieces
- Added: Jun 21, 2019
- Length: 57:13
- Added: Jun 19, 2019
- Length: 11:36
- Added: Jun 10, 2019
- Length: 11:44
- Added: May 29, 2019
- Length: 11:15