Winter storm warnings and advisories stretch along the U.S. East Coast, with snow forecast from Virginia Beach to Boston. Five to eight centimetres (2-3ins) of snow were expected in northeast Florida, where there have been warnings of icy roads, power cuts and freezing temperatures. They include the Delmarva Peninsula, which includes parts of Delaware, Virginia and Maryland; coastal New Jersey; eastern Long Island, New York; and coastal eastern New England.
In Savannah, snow blanketed the city's lush downtown squares and collected on branches of burly oaks for the first time in almost eight years.
The lifeblood of a bombing storm is a harsh gradient between cold and warm temperatures. Police in Roseville, Michigan, said on Wednesday that a 96-year-old woman, recently diagnosed with dementia, was found dead in a playground, apparently having frozen to death after wandering outside in a robe and slippers.
In the Chicago-area, wind chills were expected from -35 to -20 degrees as forecasters warned of frostbite and hypothermia risks and urged residents to take precautions.
'Bombogenesis, ' also known as a 'bomb cyclone, ' occurs when a storm's barometric pressure drops by 24 millibars in 24 hours, greatly strengthening the storm.
Flights across the nation have been canceled ahead of the predicted winter storm that is expected to hit the East Coast this week. Another blast of arctic air will swoop in later, bringing back those minus double-digits.
Firefighters rescue three people after a auto was stuck in icy water in Boyds, Maryland, US. Along the I-95 corridor, we will see snow developing from south to north over the course of the afternoon. Florida has not only seen freezing temperatures but actual snow as of Wednesday morning. The weather office in the sunshine state's capital Tallahassee measured 0.25cm (0.1ins) of snow on its roof, marking the first time it had experienced the white stuff since 1989.
It was the first measurable snow there in 28 years, according to Weather.com, and led to closing parts of Interstate 10 on Wednesday morning.
Boston mayor Marty Walsh ordered schools closed on Thursday, warning city residents that the peak of the storm would occur during the day, making travel extremely risky.
"The streets will be slick", DeLoach told a news conference Tuesday.