Here's what the arrival of La Niña means for your winter weather
La Niña has returned for a second consecutive go-around this autumn and winter, and it could have a noticeable influence on seasonal weather patterns.
How new research led to North Dakota tornado's EF5 upgrade
A powerful tornado struck Enderlin, North Dakota, on June 20, causing significant damage and leading to a rare EF5 classification after new research. Here's what went into the new research that led to the upgraded classification.



















