WFO PHILADELPHIA Warnings, Watches and Advisories for Friday, August 7, 2026

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SEVERE THUNDERSTORM WARNING

Severe Weather Statement

National Weather Service Mount Holly NJ

532 PM EDT Fri Aug 7 2026

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN HUNTERDON AND CENTRAL

BUCKS COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned

area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for

central, northern and northwestern New Jersey.

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT

FOR MORRIS...SOUTHEASTERN SUSSEX...NORTH CENTRAL MERCER...CENTRAL

SOMERSET...NORTH CENTRAL MONMOUTH AND MIDDLESEX COUNTIES...

At 532 PM EDT, severe thunderstorms were located along a line

extending from Butler to Summit to near Society Hill to near

Mercerville-Hamilton Square, moving east at 30 mph.

HAZARD...60 mph wind gusts. This line of storms has a history of

producing wind damage.

SOURCE...Law enforcement.

IMPACT...Damage to roofs, siding, trees, and power lines is

possible.

Locations impacted include...

New Brunswick, Perth Amboy, Morristown, Somerville, Somerset, Edison,

Old Bridge, East Brunswick, South Brunswick, Sayreville, North

Brunswick, Carteret, Dover, Madison, Middlesex, Princeton, Florham

Park, East Hanover, Lincoln Park, and Bound Brook.

This includes the following highways...

New Jersey Turnpike between exits 10 and 12.

Interstate 78 in New Jersey between mile markers 33 and 42.

Interstate 80 in New Jersey between mile markers 34 and 47.

Interstate 287 in New Jersey between mile markers 0 and 18, and

between mile markers 25 and 54.

Garden State Parkway between mile markers 119 and 133.

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 these storms.

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.

...HEAT ADVISORY IS CANCELLED...

With storms moving through the area knocking down temperatures, the

threat has now ended.

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

* WHAT...Heat index values up to 102 degrees.

* WHERE...Portions of northern Delaware, central, northern, and

southern New Jersey, and southeast Pennsylvania.

* WHEN...Until 8 PM EDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat

illnesses.

* ADDITIONAL DETAILS...Warm and very humid conditions at night will

not offer much relief from the heat and humidity.

Drink plenty of fluids, stay in an air-conditioned room, stay out of

the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose

fitting clothing. Try to limit strenuous activities to early morning

or evening. Take action when you see symptoms of heat exhaustion and

heat stroke.

To reduce risk during outdoor work, the Occupational Safety and

Health Administration recommends scheduling frequent rest breaks in

shaded or air conditioned environments. Anyone overcome by heat

should be moved to a cool and shaded location. Heat stroke is an

emergency! Call 9 1 1.

* WHAT...Heat index values up to 100 degrees.

* WHERE...In New Jersey, Morris and Hunterdon Counties. In

Pennsylvania, Upper Bucks, Western Chester, and Western Montgomery

Counties.

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