A fast-moving cold front is pushing south out of Canada, sending colder air across the Northeast and Mid-Atlantic, according to FOX Weather. More than 40 million people are expected to feel this 'winter flashback,' with temperatures running 10 to 20 degrees below average through midweek.
Kennedy predicts hot and dry conditions from the west will shift eastward later this week, allowing for a noticeable warm-up and shift towards spring-like conditions.
More than 35 million people from the Florida Panhandle through Georgia, the Carolinas, Virginia, Maryland, Washington DC, Delaware, eastern Pennsylvania, New Jersey and parts of New York are under tornado watches. The most dangerous period is expected from midday through early evening, with forecasters warning the peak tornado threat in the Mid-Atlantic could occur between about 2pm and 7pm ET.
"These improvements empower communities to prepare earlier and more effectively for dangerous hazards from tropical storms and hurricanes," said Michael Brennan, director of NOAA's National Hurricane Center.
When I spoke with emergency management officials last year, they all mentioned the same frustrating scenario. People ignore storm warnings until the precipitation starts falling, then suddenly everyone rushes out at once. The roads become congested with anxious drivers, accidents spike, and stores run out of essentials just when people need them most. But here's what really gets meteorologists worked up about this pattern. Modern weather forecasting has become incredibly accurate, especially for major winter storms.
Intensely cold air is scouring the central and eastern U.S. again and will send temperatures plummeting all the way to the tip of Florida. Along with this new Arctic incursion, a major bomb cyclone storm is strengthening off the coast of the Carolinas, potentially bringing rare blizzard conditions to the region. Some areas haven't seen this amount of accumulating snow in over 30 years, wrote the National Weather Service's office in Wilmington, N.C., on Facebook.
Wexford, Wicklow, Dublin, Meath and Louth will be under a Status Yellow wind warning and Met Éireann are warning of fallen trees and loose debris, as well as difficult travelling conditions associated with this warning. Counties Cork, Waterford, Carlow, Kilkenny, Wexford, Wicklow, and Dublin will be under also be under a Status Yellow rain warning and these counties can expect flooding, poor visibility and difficult travel conditions for the 24-hour period.
"It will prove cold with some frost and ice in places on Friday morning, especially in the west and north," she said. "Munster and south Leinster will see cloud, but that will clear to leave dry and sunny conditions with a few isolated showers in the north and highest temperatures of 3C to 7C," she said. Friday night will prove mainly dry but very cold and frosty with some icy patches.
Extreme winds ripping across the US could bring hurricane levels of destruction and impact thousands of air travelers flying across the country. The National Weather Service (NWS) has issued high wind warnings throughout more than 10 states in the Rocky Mountains, Great Plains, and Southwest throughout Tuesday. Wind gusts are expected to reach hurricane strength in parts of Colorado, Montana, Texas, New Mexico, and Wyoming, exceeding 75mph.
The Environment Agency (EA) has issued 85 warnings for England, meaning flooding is expected, mainly concentrated in the south-west and Midlands. A further 245 flood alerts are in place, meaning flooding is possible, from North Yorkshire to Cornwall and from the Welsh borders to Norfolk. Natural Resources Wales has another 11 flood alerts in place while Scotland has one flood warning and five flood alerts.