A worker uses a snowblower to help clear the sidewalk on Sunday in Charlotte, North Carolina. att Kelley/APA worker uses a snowblower to help clear the sidewalk on Sunday in Charlotte, North Carolina. att Kelley/APBomb cyclone brings freezing temperatures and snow to millions in USAbout 150m faced cold weather advisories along eastern US, and two in North Carolina died in storm-related conditionsA bomb cyclone produced freezing temperatures across a large portion of the US from the Gulf coast to New England, bringing heavy snow to North Carolina where two were killed in storm-related conditions, and setting records in Florida, where officials warned of ice and falling iguanas. About 150 million people were under cold weather advisories and extreme cold warnings in the eastern portion of the US, with wind chills near zero to single digits in the south and the coldest air mass seen in south Florida since December 1989, said Peter Mullinax, a meteorologist with the weather prediction center in College Park, Maryland. Snow and blizzards move into US east coast as 85 dead from last week’s stormRead moreMeanwhile, the bomb cyclone, known to meteorologists as an intense, rapidly strengthening weather system, contributed to nearly a foot (30cm) of snow in and around Charlotte, North Carolina’s largest city.