.
.
Over 2,000 flights within, to, and from the US had been delayed, and more than 1,000 had been canceled by 10 a.m. on Sunday.
Weather.com meteorologist Orelon Sidney stated that icy conditions may render traveling 'impossible' in certain areas.
Bitterly cold temperatures are forecasted to affect the Northern Plains, with lows expected to drop below -30°F near the Canadian border.
Temperatures between minus 40 degrees Fahrenheit and minus 50 degrees Fahrenheit are anticipated.
Significant snowfall totals are forecasted for various regions in New England and northern New York.
In some areas, wind gusts may reach 60 miles per hour (approximately 97 kilometers per hour) and lead to 'hazardous whiteout conditions,' the National Weather Service stated.
The storm is forecasted to move beyond the US into the Atlantic by Monday morning, leaving behind a thick layer of snow, with up to 12 inches predicted in the north-east.
.
Clay County Emergency Management Deputy Director Revelle Berry confirmed the fatality but declined to provide further information.
Severe storms also swept through parts of Florida and Georgia, where tornado alerts were in place early Sunday, according to the National Weather Service.
.
A local station reported that one young person had died and another was still unaccounted for due to flooding on Saturday evening.
The Fish and Wildlife Department and the Hart County Sheriff's Office did not immediately respond to a request for additional information from The Associated Press.
Flooding submerged cars and buildings in Kentucky, while mudslides obstructed roads in Virginia.
Both of the states were under flood warnings, along with Tennessee and Arkansas. The National Weather Service advised residents to avoid traveling on the roads.
Kentucky Governor Andy Beshear declared a state of emergency ahead of time in Kentucky, where flash flooding was forecasted to occur by Sunday.
Heavy flooding occurred on some roads in Bowling Green and up to 8 inches of rain could impact western Kentucky.
"We want to specifically place assets in areas that are prone to flooding and have experienced flooding in the past," Beshear said on social media.
Governor Beshear later used social media to inform residents about areas at risk of flooding, including Jackson County. He stated that Kentucky State Police officers were conducting wellness checks while shelters were opening in Pike County and Jenny Wiley State Resort Park in Prestonsburg.
Governor Beshear stated in a post on Saturday evening that he had submitted a letter to the White House requesting an emergency disaster declaration and federal funding for the affected regions.
The Kentucky River Medical Center in Jackson announced that it has temporarily closed its emergency department and will be transferring all patients to two nearby hospitals in the area.
The hospital plans to reassess the situation on Sunday morning to decide when it can safely reopen.
The north fork of the Kentucky River was predicted to surpass its flood stage by nearly 14 feet (4.3 meters) that afternoon, according to the weather service.
Pictures shared by authorities and local residents on social media revealed cars and structures submerged in water in south-central and eastern Kentucky.
In Virginia's Buchanan County, the sheriff's office reported that multiple roads were obstructed by mudslides.
In Kentucky, the Simpson County Office of Emergency Management reported that authorities carried out several rescues from vehicles stranded in floodwaters.
The office advised on Facebook to stay at home if possible.
Heavy snowfall was predicted to cover a large portion of New England, before potentially transitioning to freezing rain, resulting in almost impassable travel conditions.
Significant snowfall accumulations of up to a foot (30.5 centimeters) or more are forecast for upstate New York and northern New England regions.
'The weather service has forecasted that some areas may receive up to a quarter inch of ice accumulation, posing a hazardous condition for drivers. Additionally, significant icing in certain locations may lead to fallen trees and power disruptions,' the weather service cautioned.
A mass of snow and freezing temperatures swept across the Midwest and Upper Plains, blanketing roads in eastern Nebraska, northern Iowa, and a significant portion of Wisconsin.
Winter weather advisories were issued for parts of those states and Michigan, with up to 4 inches (10.6 centimeters) of snow forecast for Iowa, southern Wisconsin and most of Michigan by Sunday evening.
This season, the northern Rockies and northern Plains are the first to experience it.
Weather patterns in the Arctic are coming together to push the cold air that typically stays near the North Pole into the United States and Europe.
In Denver, where temperatures were forecast to drop as low as 14 degrees Fahrenheit over the weekend, the city made available shelters for those who reside on the streets.
.
Even after the rain stops, especially in areas where vegetation that helps keep the soil anchored has been burned away.
Flooding water, debris and boulders cascaded down the mountain in Sierra Madre on Thursday night, causing at least one car to become trapped in the mud and damaging several home garages with mud and debris.
Heavy machinery cleared away mud-covered streets in the town of 10,000 residents.
A severe snowstorm in the Sierra Nevada mountains dropped six feet of snow over the course of 36 hours.
Two Mammoth Mountain ski patrol personnel were caught in an avalanche while conducting avalanche mitigation work on Friday morning, according to a Facebook post from the resort.
One was extracted and was found to be responsive, while the other was taken to a hospital with severe injuries.
Read more