Each year, the biggest question heading into winter is, How much snow and ice? While that often grabs the headlines, winter isnt just about the snow. Temperatures can have a big impact as wellon people, roads, and infrastructure.

In a typical winter, Indianapolis averages 25.5 inches (based on 19912020 data) of snowfall. However, there is a very large spread across the state: average snowfall in southern Indiana can be as low as 5 inches, while in northern Indiana it ranges from 30 to 40 inches.

There are many things to consider when making a winter forecast. La Nia and El Nio are probably two terms you have heard before, and they do play a very big role. So do the North Atlantic Oscillation (NAO), the Arctic Oscillation (AO), the Polar Oscillation (PO), as well as data from previous win

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