Bomb Cyclone Expected to Hit US, Trigger Widespread Travel Disruptions

An Arctic cold front arriving this week will bring cold to much of the United States, says the National Weather Service, which posted a map of the forecasted temperatures as of Dec. 20, 2022. NWS

A​ large winter storm could develop into a so-called bomb cyclone over the Midwest later this week and bring blizzard conditions, which will likely cause widespread travel disruptions.

A bomb cyclone is when a storm system’s pressure drops 24 millibars in 24 hours, or at the rate of 1 millibar per hour, in a process known as bombogenesis. According to the Weather Channel, it could develop over the Great Lakes region.