American film showing world coming to end: ' The day after tomorrow '

A Paleoclimatologist named Jack Hall was in Antartica; he discovers that a huge ice sheet has been sheared off. Meanwhile, his son; Sam was with friends in New York. There they discover it has been raining non-stop for the past 3 weeks and after a series of weather related disasters that occurred over the world. Everybody soon realizes the world is going to enter a new ice age, so they try to evacuate to the warm climates of the south. Jack makes a daring attempt to rescue his son and his friends who are stuck in New York, who have to survive not only a massive wave, but freezing cold temperatures that could possibly kill them.