Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 59, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 6, 2026, 7:19 PM EDT for 8 counties in New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 41 min. 12 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
- Jun 6, 2026, 7:19 PM EDT (23:19 UTC)
- Expired
- Jun 6, 2026, 8:00 PM EDT
- In force
- 41 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Camden County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Somerset County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 29 km from the middle of the area, began a volume at 23:19 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 |
|---|---|---|---|
| Jun 6, 7:20 PM EDT | TSTM WND DMG | 1 Wsw Summerdale, PA | Multiple reports of downed trees in Philadelphia. Time estimated from radar. |
| Jun 6, 7:25 PM EDT | TSTM WND GST 47 | Northeast Philadelphia, PA | ASOS station KPNE Philadelphia Northeast. |
| Jun 6, 7:28 PM EDT | TSTM WND DMG | Delanco, NJ | Tree blown down in Delanco. Time estimated from radar. |
| Jun 6, 7:30 PM EDT | TSTM WND DMG | 1 Se Fieldsboro, NJ | Damaging winds caused damage to roof and vehicle. Report from mping. |
| Jun 6, 7:30 PM EDT | TSTM WND DMG | Cinnaminson, NJ | Tree blown down in Cinnaminson. |
| Jun 6, 7:35 PM EDT | TSTM WND GST 47 | 1 Ssw Palmyra, NJ | Mesonet station NJ71 Pennsauken. |
| Jun 6, 7:45 PM EDT | TSTM WND DMG | 1 Ene Freehold, NJ | Very large branch was blown down. Time estimated from radar. |
| Jun 6, 7:45 PM EDT | TSTM WND DMG | 1 Wnw Wrightstown, NJ | Tree blown down in Springfield Township. |
| Jun 6, 7:45 PM EDT | TSTM WND DMG | 3 Ssw Colts Neck, NJ | Tree blown into a home. Time estimated from radar. |
| Jun 6, 7:45 PM EDT | TSTM WND GST 41 | 2 Sw Rancocas, NJ | Mesonet station NJ70 Moorestown. |
| Jun 6, 7:50 PM EDT | TSTM WND GST 43 | 2 E Fort Dix, NJ | AWOS station KWRI McGuire AFB. |
| Jun 6, 8:00 PM EDT | TSTM WND DMG | Browns Mills, NJ | Report of a tree down in Pemberton. |
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 |
|---|---|---|---|
| Jun 6, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.3 hours before the alert went out and 150 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1811 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 124 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
468
WUUS51 KPHI 062319
SVRPHI
NJC005-007-019-021-023-025-029-035-PAC017-091-101-070000-
/O.NEW.KPHI.SV.W.0059.260606T2319Z-260607T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
719 PM EDT Sat Jun 6 2026
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Ocean County in southern New Jersey...
Southeastern Hunterdon County in northwestern New Jersey...
Northwestern Camden County in southern New Jersey...
Mercer County in central New Jersey...
Northern Burlington County in southern New Jersey...
Southwestern Somerset County in northern New Jersey...
Monmouth County in central New Jersey...
Southern Middlesex County in northern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Northern Philadelphia County in southeastern Pennsylvania...
* Until 800 PM EDT.
* At 719 PM EDT, severe thunderstorms were located along a line
extending from Kingston to Rockledge, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
* Locations impacted include...
Philadelphia, Toms River, Trenton, Long Branch, Asbury Park,
Lakewood, Middletown, Old Bridge, Bensalem, Jackson, Howell, East
Brunswick, South Brunswick, North Brunswick, Marlboro, Manalapan,
Ewing, Norristown, Willingboro, and Medford.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3981 7451 4009 7542 4048 7482 4043 7407
4041 7403 4041 7398 4021 7397
TIME...MOT...LOC 2319Z 275DEG 38KT 4039 7459 4008 7506
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cooper2 follow-up statements
209
WWUS51 KPHI 062342
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
742 PM EDT Sat Jun 6 2026
NJC019-PAC091-062352-
/O.CAN.KPHI.SV.W.0059.000000T0000Z-260607T0000Z/
Hunterdon NJ-Montgomery PA-
742 PM EDT Sat Jun 6 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON AND
SOUTHEASTERN MONTGOMERY COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern, central and northern New Jersey...and southeastern
Pennsylvania.
LAT...LON 3981 7451 4000 7512 4045 7464 4043 7407
4040 7398 4021 7397
TIME...MOT...LOC 2342Z 270DEG 38KT 4037 7429 4006 7476
$$
NJC005-007-021-023-025-029-035-PAC017-101-070000-
/O.CON.KPHI.SV.W.0059.000000T0000Z-260607T0000Z/
Ocean NJ-Camden NJ-Mercer NJ-Burlington NJ-Somerset NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-Philadelphia PA-
742 PM EDT Sat Jun 6 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN OCEAN...NORTHWESTERN CAMDEN...MERCER...NORTHERN
BURLINGTON...SOUTH CENTRAL SOMERSET...MONMOUTH...SOUTHERN
MIDDLESEX...SOUTHEASTERN BUCKS AND NORTHEASTERN PHILADELPHIA
COUNTIES...
At 742 PM EDT, severe thunderstorms were located along a line
extending from near Robertsville to Jacksonville, moving east at 45
mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Damage to roofs, siding, trees, and power lines is
possible.
Locations impacted include...
Philadelphia, Toms River, Trenton, Long Branch, Asbury Park,
Lakewood, Middletown, Old Bridge, Bensalem, Jackson, Howell, East
Brunswick, South Brunswick, Marlboro, Manalapan, Ewing, Willingboro,
Medford, Tinton Falls, and Holmdel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with these storms will occur before any rain or
lightning. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
LAT...LON 3981 7451 4000 7512 4045 7464 4043 7407
4040 7398 4021 7397
TIME...MOT...LOC 2342Z 270DEG 38KT 4037 7429 4006 7476
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Cooper148
WWUS51 KPHI 062352
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
752 PM EDT Sat Jun 6 2026
NJC005-007-021-023-025-029-035-PAC017-101-070002-
/O.EXP.KPHI.SV.W.0059.000000T0000Z-260607T0000Z/
Ocean NJ-Camden NJ-Mercer NJ-Burlington NJ-Somerset NJ-Monmouth NJ-
Middlesex NJ-Bucks PA-Philadelphia PA-
752 PM EDT Sat Jun 6 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OCEAN...
NORTHWESTERN CAMDEN...MERCER...NORTHERN BURLINGTON...SOUTH CENTRAL
SOMERSET...MONMOUTH...SOUTHERN MIDDLESEX...SOUTHEASTERN BUCKS AND
NORTHEASTERN PHILADELPHIA COUNTIES WILL EXPIRE AT 800 PM EDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southern, central and northern New Jersey...and southeastern
Pennsylvania.
LAT...LON 3981 7451 4000 7512 4045 7464 4043 7407
4040 7398 4021 7397
TIME...MOT...LOC 2352Z 270DEG 38KT 4036 7417 4005 7464
$$
CooperThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Warren | 67 min |
| Jun 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Morris, Somerset, Sussex, Warren | 47 min |
| Jun 6, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Somerset | 58 min |
| Jun 6, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Middlesex, Monmouth, Morris, Somerset, Sussex and 1 more | 61 min |
| Jun 6, 7:03 PM EDT | Special Marine Warning | PHI | 57 min | |
| Jun 6, 7:05 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jun 6, 7:36 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 6, 7:55 PM EDT | Special Marine Warning | PHI | 35 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2026Severe Thunderstorm Warnings in Pennsylvania, 2026Every severe thunderstorm warning in 2026
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.