Disasters

The threat of a dam failure on a river near a northeastern North Dakota city appears to be easing, and officials expect to decide soon on when 1,300 evacuated residents can return to their homes.
What caused the Lilydale landslide?
A fourth-grade field trip to a Lilydale Regional Park turned deadly Wednesday when a hillside, saturated by persistent rain gave way, killing one child and injuring two others. One child is still missing. Dr. Satish Gupta is a professor in the University of Minnesota's department of Soil, Water and Climate. He spoke with Morning Edition host Phil Picardi about how landslides like this can happen.
1 child dead, 1 missing in St. Paul landslide
Recovery efforts are suspended for the evening and are expected to resume Thursday morning. One child is dead and another missing after a gravel slide Wednesday at Lilydale Regional Park near the Mississippi River in St. Paul.
Tornado recovery can lead to a bright future, towns show
As bleak as the situation seems in Moore, Okla., other towns have been in similar positions. Their examples offer lessons, as well as hope.
For residents of North Minneapolis, it was two years ago today that a tornado devastated parts of that community, and their recovery is far from complete. MPR's Phil Picardi spoke with Minneapolis Park Board forestry director Ralph Sievert about developments.
Power of Moore tornado dwarfs Hiroshima bomb
Everything had to come together just perfectly to create the killer tornado in Moore, Okla.: wind speed, moisture in the air, temperature and timing. And when they did, the awesome energy released over that city dwarfed the power of the atomic bomb that leveled Hiroshima.
Tornado plans required for Minnesota schools
In Minnesota, schools are required to have plans in place in case a tornado strikes. One Minnesota school destroyed by a tornado three years ago was rebuilt with twisters in mind.
A monstrous tornado at least a half-mile wide roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. At least 51 people were killed, and officials said the death toll was expected to rise.
Minnesota doesn't have ammonium nitrate fertilizer plants like the one that exploded in Texas last month, but the state does have anhydrous ammonia storage facilities that can be potentially dangerous.