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.

Tornadoes have struck the Midwest and South, leaving widespread damage in their wake. Learn more about the impact and where the storms are heading next here.

The man last known to be seen with a University of Pittsburgh student before she vanished from a beach in the Dominican Republic gave more details to local prosecutors about the last time he saw her,