If it snows on Sunday, Feb. 22, it could be a lot — or only a little. Three days before the potential storm, computer weather models are projecting a wide range of snowfall amounts. The American model ...

Meteorologists frequently mention weather prediction models in their forecasts. They explain what they’re gleaning from the “U.S. Model,” for instance, and how that might differ from the “European ...

What are meteorologists supposed to do when the computer models they rely on disagree sharply with less than 48 hours to go before the start of a potential blockbuster storm? That’s the supremely ...