A flood watch has also been issued in Washington, D.C., while the Midwest also has the potential for flooding.

When the train doors opened, "quite a lot of water came in, so almost all of us stood up on the seats," a passenger told Newsweek.

The subway system, which is more than a century old, is relied on by millions of passengers every day and weaves the city into a cohesive network.

Footage shows wooden slats from the home on the ground with other debris. The blast took place around the same time heavy rainfall hit the northeast.

Heavy rain swept across New York City and the Tri-State area on Monday night, inundating the region with flash flooding that led to the deaths of two people in New Jersey. Across the region vehicles were left stranded in roadways,