WFO PHILADELPHIA Warnings, Watches and Advisories for Friday, May 16, 2025

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SEVERE THUNDERSTORM WARNING

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...

Montgomery County in southeastern Pennsylvania...

Central Bucks County in southeastern Pennsylvania...

Northeastern Chester County in southeastern Pennsylvania...

Northern Philadelphia County in southeastern Pennsylvania...

* Until 1215 PM EDT.

* At 1122 AM EDT, a severe thunderstorm was located near Spring

Mount, or 21 miles east of Reading, moving east at 35 mph. This

storm has a history of producing wind damage in Berks County.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to vehicles is possible. Wind damage to

roofs, siding, trees, and power lines is possible.

* Locations impacted include...

Philadelphia, Bensalem, Norristown, Pottstown, Phoenixville,

Lansdale, West Norriton, East Norriton, Perkasie, Doylestown,

Conshohocken, Palmyra, Hatboro, Souderton, Ambler, Collegeville,

Royersford, Jenkintown, Chalfont, and Trappe.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

building.

In addition to large hail and damaging winds, frequent cloud to

ground lightning is occurring with this storm. Move indoors

immediately. 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.

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