New Jersey is under a state of emergency after a flash flood caused at least two deaths in Plainfield and damage across Union County.

Heavy rain caused significant transportation delays in the Northeast on Monday, with flash flooding submerging cars, flooding roadways and canceling flights -- and more wet weather is in the forecast.

The deadliest modern-era storm, with 38 fatalities in New Jersey, was Superstorm Sandy in 2012. Amid recent flooding, here are other notable storms.