Severe Thunderstorm Warning 159, NWS Philadelphia/Mount Holly

Issued

Jul 8, 2025, 6:08 PM EDT (22:08 UTC)

Expired

Jul 8, 2025, 6:42 PM EDT

In force

34 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Burlington County, NJ, Mercer County, NJ, Bucks County, PA

The Philadelphia radar (KDIX), 37 km from the middle of the area, began a volume at 22:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

795 
WUUS51 KPHI 082208
SVRPHI
NJC005-021-PAC017-082300-
/O.NEW.KPHI.SV.W.0159.250708T2208Z-250708T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
608 PM EDT Tue Jul 8 2025

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Central Mercer County in central New Jersey...
  North central Burlington County in southern New Jersey...
  Southeastern Bucks County in southeastern Pennsylvania...

* Until 700 PM EDT.

* At 608 PM EDT, a severe thunderstorm was located over Langhorn, or
  7 miles west of Trenton, moving northeast at 15 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Trenton, Ewing, Bristol, Bordentown, Pennington, Yardley, Newtown,
  Tullytown, Langhorne, Washington Crossing, Woodside, White Horse,
  Crosswicks, Mercerville-Hamilton Square, Langhorn, Levittown,
  Lawrenceville, Florence-Roebling, Morrisville, and Penndel.

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.

&&

LAT...LON 4011 7490 4025 7496 4039 7473 4019 7461
      4018 7461 4015 7459 4014 7459 4014 7460
TIME...MOT...LOC 2208Z 240DEG 15KT 4018 7491 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MJL

182 
WWUS51 KPHI 082229
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
629 PM EDT Tue Jul 8 2025

NJC005-021-PAC017-082300-
/O.CON.KPHI.SV.W.0159.000000T0000Z-250708T2300Z/
Mercer NJ-Burlington NJ-Bucks PA-
629 PM EDT Tue Jul 8 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR CENTRAL MERCER...NORTH CENTRAL BURLINGTON AND EASTERN BUCKS
COUNTIES...

At 628 PM EDT, a severe thunderstorm was located over Yardley, or
over Trenton, moving east at 15 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Trenton, Ewing, Bordentown, Pennington, Yardley, Tullytown, White
Horse, Crosswicks, Mercerville-Hamilton Square, Lawrenceville,
Florence-Roebling, Levittown, Morrisville, Fieldsboro,
Yardville-Groveville, and Fairless Hills.

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.

&&

LAT...LON 4012 7482 4028 7485 4039 7473 4019 7461
      4018 7461 4015 7459 4014 7459 4014 7460
TIME...MOT...LOC 2228Z 270DEG 15KT 4022 7481 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MJL

911 
WWUS51 KPHI 082242
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
642 PM EDT Tue Jul 8 2025

NJC005-021-PAC017-082252-
/O.CAN.KPHI.SV.W.0159.000000T0000Z-250708T2300Z/
Mercer NJ-Burlington NJ-Bucks PA-
642 PM EDT Tue Jul 8 2025

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MERCER...NORTH CENTRAL
BURLINGTON AND EASTERN BUCKS COUNTIES IS CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern, central and northern New Jersey...and southeastern
Pennsylvania.

LAT...LON 4012 7482 4028 7485 4039 7473 4019 7461
      4018 7461 4015 7459 4014 7459 4014 7460
TIME...MOT...LOC 2241Z 240DEG 15KT 4025 7474 

$$

MJL

Severe Thunderstorm Warnings in New Jersey, 2025Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.