A state of emergency has been declared in New York and New Jersey as flash flooding hits both states. The National Weather Service posted flash flood warnings along parts of the Northeast urban corridor stretching from the Washington-Baltimore region north through Philadelphia,

A warmer atmosphere can hold more moisture, making storms capable of unleashing huge amounts of rain over land. Studies have shown that for every degree Fahrenheit that the planet heats up, the atmosphere can hold around 3% to 4% more moisture. As a result, flooding risks across the country are expected to increase in the coming years.

Storms are lashing the East Coast from Virginia to Connecticut, flooding roadways and delaying flights from Boston to Washington, D

Water poured down into metro stations and shot up from the roads like geysers as the Northeast saw major flooding on Thursday.