The storm’s likely path is coming into focus, but a lot can still change. Here’s what the forecasters look at. By Judson Jones Judson Jones is a reporter and meteorologist at The Times As Erin moves ...

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 ...

Forecasters said there was “significant uncertainty” about where the tropical storm will go and how intense it could become. Spaghetti models are one of several tools forecasters use. By Judson Jones ...