The coldest air of the winter will plunge southward across much of the eastern United States and will feature single-digit and sub-zero temperatures in the Northeast during the Valentine's Day weekend.
A major ocean current in the Gulf of Mexico plays an important role in sustaining Florida red tide blooms, according to research conducted by the University of Miami.
Chilly air will visit New Orleans this year for the annual Mardi Gras celebrations and linger over the city until later in the week.
Waves of arctic air invading the eastern half of the United States this week will culminate with the coldest weather of the season so far for some areas by the Valentine's Day weekend.
Punxsutawney Phil failed to see his shadow on Feb. 2, 2016, predicting an early start to spring for the United States.
Storm Imogen battered parts of England and Wales with powerful winds and downpours Sunday night into Monday.Read Story >