The Philadelphia area is enduring another round of storms Tuesday afternoon after going through a round overnight.

A sweeping cold front made for an active Tuesday along the Northeast's Interstate 95 corridor, spawning numerous showers and thunderstorms, and disrupting travel for millions.

A tornado warning is in effect for parts of Berks and Montgomery counties in Pennsylvania until 5:15 p.m., according to the National Weather Service. Showers and storms returned by the late afternoon and early evening,