Tens of millions of Americans have been under the threat of extreme weather since yesterday, as severe winter storms are sweeping the US, causing tornadoes in the South and killing three people there, according to local authorities.

In fact, Air Force Two, the aircraft that carried the vice president Kamala Harrishad to be diverted Tuesday on his way back from Atlanta to Washington due to adverse weather conditions

Fierce winds and snow storms are affecting the northern part of the country and electricity has been cut off in hundreds of thousands of households.

Today, a storm is expected to sweep them east coasts of the USA, which at its inception has already caused interruptions in electrificationproblems at flights and damages.

More than 90 million people from eastern Ohio and Kentucky to the mid-Atlantic states and the northeastern part of the country have received warnings for gale force winds and floodsas reported by the US Weather Service (NWS).

Big cities like New Yorkthe Philadelphia and the Boston expected to be affected by heavy rainss, with the risk of flooding – already the Saddle River in New Jersey, New York has overflowed flooding streets and neighborhoods.

Destructive winds gusts over 50 mph could uproot trees and down power lines during the day, according to the NWS.

About 500,000 homes and businesses from Florida to Maine are without power as of early today, Poweroutage.us said.

The storm also caused delays or cancellations to more than 1,400 flightsincluding on more than 100 flights to and from Chicago, according to Flightaware.com.

The storm has already caused at least 3 deaths in Alabama, North Carolina and Georgia, where strong winds and tornadoes swept through parts of the southern states.

Two motorcyclists were killed in Wisconsin and Michigan, where heavy snowfall hit the region, US media reported.

Another winter storm is expected to continue its destructive path through the day in northwestern states, where high-elevation areas are at risk of blizzard conditions.