WFO PHILADELPHIA Warnings, Watches and Advisories for Tuesday, July 1, 2025

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SEVERE THUNDERSTORM WARNING

Severe Weather Statement

National Weather Service Mount Holly NJ

305 PM EDT Tue Jul 1 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT

FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN

BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES...

At 305 PM EDT, a severe thunderstorm was located over Bryn Athyn, or

8 miles north of Philadelphia, moving east at 20 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Expect considerable

tree damage. Wind damage is also likely to mobile homes,

roofs, and outbuildings.

Locations impacted include...

Philadelphia, Bensalem, Burlington, Bristol, Hatboro, Ambler,

Jenkintown, Beverly, Rockledge, Newtown, Abington, Langhorne, Bryn

Athyn, Ivyland, Feasterville-Trevose, Willow Grove, Germantown,

Northeast Philadelphia, Feasterville, and Woodside.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a

building.

Frequent cloud to ground lightning is occurring with this storm. Move

indoors immediately. Lightning is one of nature's leading killers.

Remember, if you can hear thunder, you are close enough to be struck

by lightning.

Torrential rainfall is occurring with this storm, and may lead to

flash flooding. Do not drive your vehicle through flooded roadways.

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO TOMORROW AFTERNOON...

* WHAT...Minor flooding is forecast.

* WHERE...Brandywine Creek at Chadds Ford.

* WHEN...From this evening to tomorrow afternoon.

* IMPACTS...At 8.0 feet, Open adjacent land next to the creek floods.

At 10.0 feet, The intersections of Creek Road and Route 926 near

Pocopson floods upstream of Chadds Ford.

* ADDITIONAL DETAILS...

- At 2:30 PM EDT Tuesday the stage was 5.8 feet.

- Forecast...The river is expected to rise above flood stage

just after midnight tonight to a crest of 10.2 feet tomorrow

morning. It will then fall below flood stage late tomorrow

morning.

- Flood stage is 9.0 feet.

- Flood History...This crest compares to a previous crest of

10.3 feet on 12/28/2023.

- http://www.weather.gov/safety/flood

Fld Observed Forecasts (2 pm EDT)

Location Stg Stg Day/Time Wed Thu Fri

Brandywine Creek

Chadds Ford 9.0 5.8 Tue 2 pm EDT 7.5 3.9 3.0

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