Severe Thunderstorm Warning Covers Parts of PA, NJ, and DE
The National Weather Service has issued a Severe Thunderstorm Warning for portions of Chester County, Pennsylvania; Delaware County, Pennsylvania; Gloucester County, New Jersey; Salem County, New Jersey; and New Castle County, Delaware as strong thunderstorms move across the region.
The warning remains in effect until 10:45 PM EDT, with storms capable of producing wind gusts up to 60 mph, penny-sized hail, torrential rainfall, frequent cloud-to-ground lightning, and localized power outages. The storms are moving northeast at approximately 30 mph, prompting residents to seek shelter immediately.
Areas Impacted
Communities that may experience severe weather include:
- Wilmington, Delaware
- Newark, Delaware
- New Castle, Delaware
- West Chester, Pennsylvania
- Kennett Square, Pennsylvania
- Downingtown, Pennsylvania
- Oxford, Pennsylvania
- Pennsville, New Jersey
- Salem, New Jersey
- Carneys Point, New Jersey
- Woodstown, New Jersey
- West Grove, Pennsylvania
- Newport, Delaware
- Delaware City, Delaware
- Elsmere, Delaware
Additional surrounding communities in Chester, Delaware, Gloucester, Salem, and New Castle counties should remain alert as the storm continues northeast.
Primary Hazards
Residents should prepare for:
- Damaging wind gusts up to 60 mph
- Small hail
- Dangerous cloud-to-ground lightning
- Heavy rainfall reducing visibility
- Downed trees and power lines
- Isolated power outages
- Hazardous travel conditions
The combination of saturated ground and strong winds could make trees more susceptible to falling.
Safety Tips
If you are under the warning:
- Move indoors immediately to a sturdy building.
- Stay away from windows and glass doors.
- Delay travel until storms have passed.
- Never shelter beneath trees during lightning.
- Secure loose outdoor furniture and objects.
- Keep multiple ways to receive emergency weather alerts.
Flooding Risk Continues
In addition to the severe thunderstorm warning, much of the surrounding region remains under a Flood Watch through Monday evening. Multiple rounds of thunderstorms may produce heavy rainfall capable of causing flash flooding, especially in urban areas and locations with poor drainage.
Radar Watch HQ Weather Update
Radar Watch HQ continues to monitor this severe weather event affecting southeastern Pennsylvania, southern New Jersey, and northern Delaware. Residents in Chester, Delaware, Gloucester, New Castle, and Salem counties should remain weather aware, monitor local forecasts, and be prepared to act quickly if additional warnings are issued.

Radar Watch HQ Top 5 Essential Emergency Preparedness Picks
Affiliate Disclosure: As an Amazon Associate, Radar Watch HQ earns from qualifying purchases.
Whether you’re preparing for severe thunderstorms, flash flooding, hurricanes, wildfires, or extended power outages, these five emergency essentials can help keep your household safer when severe weather strikes.
A portable power station provides reliable backup electricity during outages, allowing you to power phones, medical devices, laptops, lights, small appliances, and communication equipment without fuel.
Best for:
- Extended power outages
- Severe thunderstorms
- Hurricanes
- Winter storms
- Wildfires
2. Flood Protection Barriers & Sandless Flood Bags
Flood barriers help divert or absorb water before it enters garages, doorways, and low-lying areas. They deploy quickly and can help reduce property damage during flash flooding.
Best for:
- Flash Flood Warnings
- Heavy rainfall
- River flooding
- Coastal flooding
3. Rechargeable LED Flashlights
Bright, dependable flashlights are essential when the power goes out. Rechargeable or solar-powered models provide long-lasting illumination for navigating safely indoors and outdoors.
Best for:
- Overnight power outages
- Emergency evacuations
- Storm damage inspections
Keep phones, tablets, weather radios, and USB-powered devices charged when the electrical grid is unavailable. A solar power bank offers an additional charging option during prolonged emergencies.
Best for:
- Communication during outages
- Emergency weather alerts
- Travel and evacuation
A NOAA Weather Radio delivers official weather alerts directly from the National Weather Service, even when cellular networks or internet service are unavailable. It remains one of the most dependable ways to receive life-saving warnings.
Best for:
- Tornado warnings
- Severe thunderstorm warnings
- Flash flood warnings
- Hurricane alerts
- Winter storm emergencies
Why Radar Watch HQ Recommends These Essentials
At Radar Watch HQ, preparedness is just as important as staying informed. These five emergency essentials can help you stay connected, protect your property, and safely navigate severe weather events. Having supplies ready before storms arrive allows you to respond quickly when warnings are issued and conditions begin to deteriorate.
