'Water was all over the place': Storms bring flooding downpours to NJ, Pa. (2024)

With quite a week of weather ahead of us, the NBC10 First Alert Weather Team is preparing you for severe threats that will have us under a First Alert.

A flooding rainstorm moved in Tuesday evening.

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Flooding rains hit, impact residents, concertgoers

Flooding hit in Cherry Hill, New Jersey, and communities on both sides of the Delaware River.

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The flooding caused a weather-related delay at the Zach Bryan concert at Lincoln Financial Field in South Jersey.

The severe weather has moved out of the area and it is now safe to return to your seating area.

The estimated start time is 10:20PM

— LincolnFinancialFld (@LFFStadium) August 7, 2024

Flooded streets hit residents along the Delaware River in Beverly, New Jersey. Silver Park West Estates were hard hit with some rescue calls made and cars partially underwater.

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"I got halfway down the street and water was all over the place," resident Ed Kwiatkowski said. "I just turned around and went home."

"It was coming down in buckets," Kwiatkowski said.

People were trying to pump out water from the area.

Flooding was also reported in Bristol, Bucks County, on the Pennsylvania side of the Delaware River.

Severe Thunderstorm Warning in NJ

Parts of Camden County were under a severe thunderstorm warning, the National Weather Service said. This warning expired at 10:15 p.m. on Aug. 6, 2024.

Flash Flood Warning for Pa., NJ

The National Weather Service extended the flash flood warning for parts of Chester and Montgomery counties until 10:30 p.m. on Aug. 6, 2024.

Flash Flood Warning continues for King of Prussia PA, West Chester PA and Phoenixville PA until 10:30 PM EDT pic.twitter.com/29fnqCY1QD

— NWS Mount Holly (@NWS_MountHolly) August 7, 2024

Parts of Camden County were also under a flash flood warning as the storms moved in until 10:45 p.m.

Flash Flood Warning including Collingswood NJ, Haddonfield NJ and Bellmawr NJ until 10:45 PM EDT pic.twitter.com/4koDWMK9fh

— NWS Mount Holly (@NWS_MountHolly) August 6, 2024

A flash flood warning was also issued for Burlington and Rancocas Woods, New Jersey, until 11:15 p.m.

Parts of Berks County were under a flash flood warning until 11:30 p.m., according to the National Weather Service.

Flash Flood Warning including Reading PA, Wyomissing PA and Blandon PA until 11:30 PM EDT pic.twitter.com/JtSBjV2lDW

— NWS Mount Holly (@NWS_MountHolly) August 6, 2024

Philadelphia, along with parts of Burlington and Bucks counties, were under a flash flood warning until 1:15 a.m. on Aug. 7, 2024, the National Weather Service said.

Flash Flood Warning including Philadelphia PA, Croydon PA and Palmyra NJ until 1:15 AM EDT pic.twitter.com/DFaL4OeIwY

— NWS Mount Holly (@NWS_MountHolly) August 7, 2024

First Alert for flooding rain Tuesday into Wednesday

A FIRST ALERT for the main threat of flooding was in effect from Tuesday early Wednesday morning.

'Water was all over the place': Storms bring flooding downpours to NJ, Pa. (3)

Before any of the storms took shape, it was a steamy and very uncomfortable muggy Tuesday. A high of 92 degrees felt like 101 in Philadelphia, and all that moisture helped fuel the storms in the afternoon and evening.

A flood watch was issued ahead of the storm in much of the region, including northern Delaware, Philadelphia, the Pennsylvania suburbs near the city and New Jersey counties closest to Philadelphia up to Mercer County.

'Water was all over the place': Storms bring flooding downpours to NJ, Pa. (4)

The biggest threats with these storms are localized damaging downburst wind gusts and very heavy rainfall.

Storms started popping up during the afternoon and into the late afternoon hours. However, the heaviest rainfall occurred with a cold front moving into the area later this evening, which will also bring a threat of severe weather.

The excessive rainfall outlook had parts of our area at a moderate risk (something that isn't common around here) for numerous flash flood events. Heavy rainfall will also impact streams and rivers, especially throughout northern Delaware, South Jersey and southeastern Pennsylvania.

Most areas can expect to see a widespread 1 to 2+ inches of rain, with some locally higher amounts possible.

The flood threat is mainly driven by a cold front expected to move across the region in the afternoon and evening that would interact with very humid air. Some of this moisture is streaming north off of Debby, but that tropical storm will linger in the southern states until early Friday when it starts moving as a weakened depression into the northeast.

That area of moisture should continue to bring the chance of showers and downpours through Wednesday.

What might Debby bring heading into the weekend?

All eyes will be on the track of what is left of Debby.

Most models have this storm lingering just off the coast of the southeast United States, which would cause potentially catastrophic flooding from Northern Florida to the southern Georgia and South Carolina coasts.

'Water was all over the place': Storms bring flooding downpours to NJ, Pa. (5)

As Debby moves into the northeast on Friday and Saturday, we can expect more heavy rainfall in the region.

Commuter alerts expire

PATCO shared on X, formerly known as Twitter, that the tracks in Haddonfield were flooded Tuesday night, forcing trains to not run in either direction in that area.

Service was restored by Wednesday morning.

✅SERVICE RESTORED
Trains are running on or close to schedule, making stops at all stations. With the earlier flood waters receded, both tracks are now in use, and PATCO has resumed normal operations. We appreciate your patience and understanding during the service interruption.

— PATCO (@RidePATCO) August 7, 2024

SEPTA also reported that service was suspended between Media and Wawa stations due to down wires.

Media: Service is suspended in both directions between Media and Wawa Stations due to down wires.

— SEPTA (@SEPTA) August 7, 2024

NJ Transit's River Line was reporting that service was suspended between the Waterfront Entertainment Center and the Walter Rand Transportation Center due to flooding in Camden.

"River Line service has resumed in both directions between Waterfront Entertainment Center and Walter Rand Transportation Center following earlier flooding conditions in Camden," the river line's X page said late Tuesday night.

Stay ahead of the storm with the NBC10 App

Stay tuned to keep track of all this moisture. And, be sure to have the most updated version of the NBC10 app downloaded to your phone so that we can alert you to weather warnings and changes in real-time.

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'Water was all over the place': Storms bring flooding downpours to NJ, Pa. (2024)

FAQs

What is a sudden flood of water caused by heavy rain? ›

Flash flood: A flood caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours.

What is a sudden rise in the water level of a river after extremely heavy rains? ›

+River Flooding

River flooding occurs when river levels rise and overflow their banks or the edges of their main channel and inundate areas that are normally dry. River flooding can be caused by heavy rainfall, dam failures, rapid snowmelt and ice jams.

What triggers much of the flooding of our rivers? ›

The Short Answer:

Severe flooding is caused by atmospheric conditions that lead to heavy rain or the rapid melting of snow and ice. Geography can also make an area more likely to flood.

What floods occur when rivers overflow if too much rain or snow fills them? ›

Fluvial Floods

These floods occur when rivers overflow their banks due to an excessive volume of water, often brought on by heavy rainfall or snowmelt.

Why is water coming into my house when it rains? ›

Poorly Sealed Joints

The joints where different building materials meet, such as at the corners of your house or between different siding materials, are potential weak points for water infiltration. If these joints are not properly sealed, water can find its way into your walls, causing leaks and damage.

Why is it flooding everywhere? ›

Sea-level rise is an unequivocal result of global warming, and the five inches of global mean sea-level rise we have observed over the past 50 years unquestionably exacerbates global coastal flooding.

Can 2 inches of rain cause flooding? ›

Damaging flooding may happen with only a few inches of water, or it may cover a house to the rooftop. Floods can occur within minutes or over a long period, and may last days, weeks, or longer.

How long does it take for flood water to recede? ›

- Rapid-onset floods occur more quickly, typically developing within hours or days. These types of floods usually occur in smaller watersheds experiencing heavy rainfall, particularly in mountainous and urban areas, and the water usually recedes within a few days.

What is a sudden rush of water a downpour? ›

[KAD-ə-rakt] Origin: Latin, 15th century. 1. A large waterfall; a sudden rush of water; a downpour.

What areas are most at risk for flooding? ›

An analysis of data from the Federal Emergency Management Agency showed that Texas annually sees the most losses due to flooding, with New Jersey and Louisiana ranking second and third, respectively.

What was the worst flood in history? ›

1931 China floods

What time of the year is flooding most common? ›

Coastal areas are at greater risk for flooding during hurricane season (i.e., June to November), while the Midwest is more at risk in the spring and during heavy summer rains. Ice jams occur in the spring in the Northeast and Northwest.

What is the best way to predict flooding in an area? ›

The main tools used to detect heavy rainfall associated with flash floods are satellite, lightning observing systems, radar, and rain gauges. What we do: NSSL's research team includes hydrologists, hydrometeorologists and civil engineers to approach flash flood detection and forecasting from all angles.

Where do most floods happen in the United States? ›

Florida is the most flood prone state due to its low elevation, extensive coastline, and frequent tropical storms and hurricanes. Heavy rainfall and storm surges frequently overwhelm drainage systems, leading to widespread flooding.

How to stay safe during a flood? ›

Do not walk, swim or drive through flood waters. Turn Around, Don't Drown!
  1. Evacuate if told to do so.
  2. Move to higher ground or a higher floor.
  3. Stay where you are.
Jun 7, 2024

What is a sudden flood caused by heavy rain called? ›

Flash floods occur when heavy rainfall exceeds the ability of the ground to absorb it. They also occur when water fills normally dry creeks or streams or enough water accumulates for streams to overtop their banks, causing rapid rises of water in a short amount of time.

What is a sudden heavy rainfall called? ›

countable noun. A downpour is a sudden and unexpected heavy fall of rain. ... a sudden downpour of rain. Synonyms: rainstorm, flood, deluge, torrential rain More Synonyms of downpour.

What are two types of floods caused by heavy rain? ›

There are two basic types of floods: flash floods and the more widespread river floods. Flash floods generally cause greater loss of life and river floods generally cause greater loss of property.

What is a sudden and very heavy rainfall? ›

cloudburst, a sudden, very heavy rainfall, usually local in nature and of brief duration. Most so-called cloudbursts occur in connection with thunderstorms.

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