20 million under alert Saturday for severe storms on East Coast

Scattered strong thunderstorms are forecast to develop Saturday afternoon and evening across parts of the Northeast and along portions of the Southeast coast.

Twenty million people are on alert along the East Coast for a sweeping storm system that is expected to bring the threat of severe thunderstorms and possible tornadoes to parts of the region Saturday.

Strong, scattered thunderstorms are forecast to develop in the coming afternoon and evening hours across parts of the Northeast and along portions of the Southeast coast.

Any severe thunderstorms that develop could bring damaging wind gusts, large hail and potentially tornadoes.

The severe weather threat is expected to end later Saturday evening, with the system forecast to exit the East Coast overnight and into early Sunday.