Alert archive / New Jersey / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 158, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2025, 5:56 PM EDT for Burlington County, Camden County, Mercer County, New Jersey; Bucks County, Philadelphia County, Pennsylvania. It was in force for 49 min. 8 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 8, 2025, 5:56 PM EDT (21:56 UTC)
- Expired
- Jul 8, 2025, 6:45 PM EDT
- In force
- 49 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Burlington County, NJ, Camden County, NJ, Mercer County, NJ, Bucks County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 21:59 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 5:58 PM EDT | TSTM WND GST 53 | Northeast Philadelphia, PA | |
| Jul 8, 6:10 PM EDT | TSTM WND DMG | 1 W Bensalem, PA | Trees and wires down. Time estimated from radar. |
| Jul 8, 6:15 PM EDT | TSTM WND DMG | Burlington, NJ | Numerous trees and wires down, with some roadways blocked. Time estimated from radar. |
| Jul 8, 6:15 PM EDT | TSTM WND DMG | Cinnaminson, NJ | wires down. |
| Jul 8, 6:21 PM EDT | TSTM WND DMG | Westampton Twp, NJ | Several tree limbs down. estimated 60 mph gust. |
| Jul 8, 6:28 PM EDT | TSTM WND DMG | 2 N Jacksonville, NJ | As of 7:00pm, theres a Downed tree on I-295 southbound South of Exit 52 - Columbus Rd in Florence Twp. 1 left lane of 3 lanes closed. Time estimated from radar. |
| Jul 8, 6:35 PM EDT | TSTM WND GST 47 | Columbus, NJ | NJWxNet. |
| Jul 8, 6:38 PM EDT | TSTM WND DMG | Pemberton, NJ | Numerous trees and wires down. Time estimated from radar. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 8, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.9 hours before the alert went out and 192 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 986 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 697 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
839
WUUS51 KPHI 082156
SVRPHI
NJC005-007-021-PAC017-101-082245-
/O.NEW.KPHI.SV.W.0158.250708T2156Z-250708T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
556 PM EDT Tue Jul 8 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Camden County in southern New Jersey...
South central Mercer County in central New Jersey...
Northern Burlington County in southern New Jersey...
Southeastern Bucks County in southeastern Pennsylvania...
Northeastern Philadelphia County in southeastern Pennsylvania...
* Until 645 PM EDT.
* At 556 PM EDT, a severe thunderstorm was located over Riverside, or
9 miles east of Philadelphia, moving east at 35 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Philadelphia, Bensalem, Willingboro, Lumberton, Florence,
Burlington, Bristol, Mount Holly, Riverside, Palmyra, Bordentown,
Presidential Lakes Estates, Beverly, Tullytown, Pemberton,
Wrightstown, Florence-Roebling, Northeast Philadelphia, Tacony, and
Jacksonville.
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 3997 7505 4010 7506 4018 7461 3987 7444
TIME...MOT...LOC 2156Z 272DEG 29KT 4005 7496
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MJL3 follow-up statements
894
WWUS51 KPHI 082218
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
618 PM EDT Tue Jul 8 2025
NJC007-PAC101-082227-
/O.CAN.KPHI.SV.W.0158.000000T0000Z-250708T2245Z/
Camden NJ-Philadelphia PA-
618 PM EDT Tue Jul 8 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN CAMDEN AND
NORTHEASTERN PHILADELPHIA COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern and central New Jersey...and southeastern Pennsylvania.
LAT...LON 3995 7495 4012 7495 4018 7461 3987 7444
TIME...MOT...LOC 2217Z 272DEG 29KT 4004 7473
$$
NJC005-021-PAC017-082245-
/O.CON.KPHI.SV.W.0158.000000T0000Z-250708T2245Z/
Mercer NJ-Burlington NJ-Bucks PA-
618 PM EDT Tue Jul 8 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTH CENTRAL MERCER...NORTHERN BURLINGTON AND SOUTHEASTERN BUCKS
COUNTIES...
At 617 PM EDT, a severe thunderstorm was located over Jacksonville,
or 12 miles south of Trenton, moving east at 35 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Emergency management. At 615 PM EDT, powerlines were
reported down in Willingboro.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Willingboro, Lumberton, Florence, Burlington, Bristol, Mount Holly,
Bordentown, Presidential Lakes Estates, Beverly, Tullytown,
Pemberton, Wrightstown, Florence-Roebling, Jacksonville, Georgetown,
Crosswicks, Presidential Lakes, Browns Mills, Jobstown, and Columbus.
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 3995 7495 4012 7495 4018 7461 3987 7444
TIME...MOT...LOC 2217Z 272DEG 29KT 4004 7473
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
MJL222
WWUS51 KPHI 082236
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
636 PM EDT Tue Jul 8 2025
NJC005-021-PAC017-082245-
/O.CON.KPHI.SV.W.0158.000000T0000Z-250708T2245Z/
Mercer NJ-Burlington NJ-Bucks PA-
636 PM EDT Tue Jul 8 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTH CENTRAL MERCER...NORTHEASTERN BURLINGTON AND SOUTHEASTERN
BUCKS COUNTIES...
At 634 PM EDT, a severe thunderstorm was located near Browns Mills,
or 17 miles southeast of Trenton, moving east at 35 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Emergency management. At 615 PM EDT, emergency management
reported power lines down in Cinnaminson, NJ.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Lumberton, Florence, Mount Holly, Bordentown, Presidential Lakes
Estates, Tullytown, Pemberton, Wrightstown, Crosswicks, Presidential
Lakes, Florence-Roebling, Browns Mills, Jobstown, Columbus,
Jacksonville, Georgetown, Leisuretowne, Fieldsboro, Country Lake
Estates, and Nws Office.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3993 7483 4014 7482 4018 7461 3987 7444
TIME...MOT...LOC 2234Z 272DEG 29KT 4003 7454
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
MJL626 WWUS51 KPHI 082244 SVSPHI Severe Weather Statement National Weather Service Mount Holly NJ 644 PM EDT Tue Jul 8 2025 NJC005-021-PAC017-082253- /O.EXP.KPHI.SV.W.0158.000000T0000Z-250708T2245Z/ Mercer NJ-Burlington NJ-Bucks PA- 644 PM EDT Tue Jul 8 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MERCER... NORTHEASTERN BURLINGTON AND SOUTHEASTERN BUCKS COUNTIES WILL EXPIRE AT 645 PM EDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However gusty winds and heavy rain are still possible with this thunderstorm. A Severe Thunderstorm Watch remains in effect until 900 PM EDT for southern and central New Jersey...and southeastern Pennsylvania. Remember, a Severe Thunderstorm Warning still remains in effect for Northeastern Burlington County in New Jersey. LAT...LON 3993 7483 4014 7482 4018 7461 3987 7444 TIME...MOT...LOC 2243Z 272DEG 29KT 4003 7446 $$ MJL
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 10:59 PM EDT | Flood Watch | PHI | Atlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 10 more | 23 hr |
| Jul 8, 1:24 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 51 min |
| Jul 8, 5:35 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jul 8, 5:45 PM EDT | Flash Flood Warning | PHI | Camden, Gloucester, Salem | 4 hr |
| Jul 8, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester | 44 min |
| Jul 8, 5:53 PM EDT | Flash Flood Warning | PHI | Burlington, Camden | 4 hr |
| Jul 8, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer | 34 min |
| Jul 8, 6:22 PM EDT | Severe Thunderstorm Warning | PHI | Mercer, Middlesex, Monmouth, Somerset | 38 min |
| Jul 8, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth, Ocean | 43 min |
| Jul 8, 6:41 PM EDT | Tornado Warning | PHI | Burlington, Monmouth, Ocean | 34 min |
| Jul 8, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 48 min |
| Jul 8, 6:52 PM EDT | Special Marine Warning | PHI | 113 min | |
| Jul 8, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Middlesex, Monmouth | 52 min |
| Jul 8, 6:57 PM EDT | Special Marine Warning | PHI | 101 min | |
| Jul 8, 7:04 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 41 min |
| Jul 8, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Camden, Cumberland, Gloucester, Salem | 46 min |
| Jul 8, 7:18 PM EDT | Special Marine Warning | PHI | 117 min | |
| Jul 8, 7:19 PM EDT | Special Marine Warning | PHI | 116 min | |
| Jul 8, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 41 min |
| Jul 8, 3:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 46 min |
| Jul 8, 4:05 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jul 8, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 40 min |
| Jul 8, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 35 min |
| Jul 8, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 42 min |
| Jul 8, 4:39 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 8, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 51 min |
| Jul 8, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 19 min |
| Jul 8, 5:02 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 8, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 29 min |
| Jul 8, 5:19 PM EDT | Tornado Warning | PHI | Bucks, Montgomery | 26 min |
| Jul 8, 5:20 PM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 25 min |
| Jul 8, 5:31 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 8, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 8, 5:52 PM EDT | Tornado Warning | PHI | Bucks, Montgomery, Philadelphia | 13 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2025Severe Thunderstorm Warnings in Pennsylvania, 2025Every severe thunderstorm warning in 2025
Sources
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.