Is warming in the Arctic behind this year's crazy winter weather?

In this file photo from Jan. 4, 2017, floodwaters threatened several buildings along the Belfast waterfront as a blizzard hit the Maine coast. Damage from extreme weather events during 2017 racked up the biggest-ever bills for the U.S. Most of these events involved conditions that align intuitively with global warming: heat records, drought, wildfires, coastal flooding, hurricane damage and heavy rainfall.