Millions of Americans across the country are on alert for a severe weather outbreak as violent, long-track tornadoes with damaging winds of up to 80 mph and large hail are expected across the Midwest and South with the cross-country storm moving east.

Meanwhile, the severe weather threat will linger through Sunday from Florida northward into the upper Ohio River Valley, forecasters warned.

A Tornado Warning has been issued for parts of the San Joaquin Valley as severe weather moves through the area.

At 3:21 a.m. on Monday, the NWS Wakefield VA issued an updated tornado warning in effect until 3:30 a.m. for Camden and Currituck counties.

On Sunday at 7:30 p.m. the NWS Wilmington NC released an updated tornado warning in effect until 8 p.m. for Pender County.

The National Weather Service has confirmed at least three EF1 tornadoes touched down across Westmoreland and Indiana counties on Sunday as severe weather rolled through the area. National Weather Service storm surveyors first found damage consistent with an EF1 tornado near Donegal,

An EF-1 tornado has been confirmed to have touched down in Perquimans just after 3 a.m. Monday, according to the National Weather Service.

It comes after a storm system produced a line of strong thunderstorms with straight-line winds of 60 to 70+ mph, multiple tornado warnings and very heavy rain.