Ever since the Wright Brothers called up the weather bureau to find the right place to launch the world’s first plane ride in 1903, pilots and meteorologists have been in a symbiotic relationship.

One Saturday afternoon last summer, Carrie and Jason Guyette were married on an island on the Vermont side of Lake Champlain. The forecast had been good—partly cloudy, a west wind of 5 to 10 miles (8 ...

On a winter day 50 years ago, Edward Lorenz, SM ‘43, ScD ‘48, a mild-mannered meteorology professor at MIT, entered some numbers into a computer program simulating weather patterns and then left his ...