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.

New York and New Jersey hit by torrential rain and flash floods, forcing highway closures, suspending subway lines and flight delays.

Numerous counties in southcentral Pennsylvania, including Adams, Lebanon and York, are under a flood watch for Wednesday, July 16 as the rain just keeps coming. The National Weather Service issued the flood watch, which is in effect from 5 p.m. through the evening.

Residents brace for extreme temperatures as a heat advisory is issued across western and central regions.New York is recently undergoing severe weather conditions. Shortly after the tragic

Florida and the central Gulf Coast face a risk of flash flooding in the coming days. A summer camp in Central Texas serving disabled youths reopened barely a week after the flooding. An army of volunteers helped it clean up.

High humidity and scorching summer heat will lead to the risk of severe storms and ongoing flash flooding events in the coming days. It will be hazy and hot on Wednesday, July 16, and Thursday, July 17,

The heat advisory includes parts of Delaware, Pennsylvania, New York, Connecticut and New Jersey, where two people died in flooding.

Transit agencies in the New York City area were promising a fairly smooth commute with some lingering delays on Tuesday, the morning after heavy rain pummeled the region, flooding parts of the subway system, inundating major roads and causing long flight delays.