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Somerset County Public Safety
Wednesday May 20th, 2026 :: 05:15 p.m. EDT

Advisory

Severe Thunderstorm Warning until 06:00PM

SVRPHI The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for... Southeastern Hunterdon County in northwestern New Jersey... Mercer County in central New Jersey... North central Burlington County in southern New Jersey... Southwestern Somerset County in northern New Jersey... Montgomery County in southeastern Pennsylvania... Bucks County in southeastern Pennsylvania... Northeastern Chester County in southeastern Pennsylvania... Northeastern Philadelphia County in southeastern Pennsylvania...

* Until 600 PM EDT.

* At 515 PM EDT, a severe thunderstorm was located over Chalfont, or 19 miles north of Philadelphia, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible.

* Locations impacted include... Philadelphia, Trenton, Ewing, Norristown, Phoenixville, Lansdale, West Norriton, East Norriton, Princeton, Florence, Bristol, Perkasie, Doylestown, Byram, Hatboro, Souderton, Ambler, Collegeville, Royersford, and Chalfont.

* AFFECTED AREAS: BURLINGTON, NJ ... HUNTERDON, NJ ... MERCER, NJ ... SOMERSET, NJ ... BUCKS, PA ... CHESTER, PA ... MONTGOMERY, PA ... PHILADELPHIA, PA

Instructions:

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

Address/Location
Somerset County Public Safety
20 Grove St
Somerville, NJ 08876

Contact
Emergency: 9-1-1
Non-emergencies: 908-231-7140

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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