Accuweather Graphic.

BUCKS COUNTY >> Thunderstorms made their mark from Florida to New York at the start of the week, dropping heavy rain in some places.

The floodgates opened over the Philadelphia metro area on Monday, a deluge of rainfall that shut down highways, prompted numerous water rescues and delivered up to 10 inches of rainfall for one town.

As storms rolled into the area on Monday, the National Weather Service office of Mount Holly, New Jersey, issued a flash flood emergency at 5 p.m. EDT for an area including Levittown and Croydon, Pennsylvania, and Burlington, New Jersey. Hours later, some areas on the map had picked up nearly a foot of rainfall.

"A nearly stationary front, tropical moisture and 90-degree plus heat fueled slow-moving thunderstorms which dropped astounding amounts of rain in a matter of a couple of hours, with serious flash flooding," AccuWeather Senior Meteorologist Dave Bowers said.

Multiple cities across Bucks County received the brunt of the storm. Croydon had over 10 inches of rainfall. A few minutes away in Bensalem, first responders worked to respond to numerous flooding incidents, according to the Bensalem Fire Rescue.

Marine units were called in from around Bucks County to Bensalem to help assist with the water rescues as crews moved to save people not just from stalled vehicles, but also from flooded homes.

To the south of the county, the City of Brotherly Love also wasn't spared by the deluge.

Philadelphia received around 5 inches of rainfall on Monday alone, prompting officials to close flooded roads. Route 63 was closed around 6 p.m. EDT before reopening later Monday night.

The Philadelphia OEM warned for motorists to use caution if traveling, especially during the night.

Some of the strongest thunderstorms that soaked the region also contained damaging winds, with several reports of tree and power line damage streaming in across southeastern Pennsylvania and central New Jersey, according to the Storm Prediction Center.

Forecasters say there will be little change in the weather pattern through Wednesday as a tropical air mass remains in place with temperatures soaring into the lower 90s and thunderstorms likely each afternoon and evening.

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