The atmospheric river's effects are expected to last at least through Tuesday, one meteorologist told Newsweek.

COURTESY NOAA This color-enhanced radar image shows a strong storm system approaching Hawaii from the northwest. All islands are under a flood watch and high-wind watch from tonight through Friday ...

A Feb. 21-22, 1971 outbreak claimed 121 lives from Texas to North Carolina, the deadliest February rash of tornadoes in recent times. One F4 tornado near Oxford, Mississippi, killed 58 and injured 800 ...