Alert archive / New Jersey / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 78, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2025, 5:40 PM EDT for Burlington County, Hunterdon County, Mercer County, New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 50 min. 26 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 19, 2025, 5:40 PM EDT (21:40 UTC)
- Expired
- Jun 19, 2025, 6:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties Burlington County, NJ, Hunterdon County, NJ, Mercer County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 45 km from the middle of the area, began a volume at 21:40 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 19, 5:41 PM EDT | TSTM WND DMG | Lower Moreland Twp, PA | Significant tree damage, with one tree falling onto a house resulting in significant damage to the structure. Report delayed due to power outage. |
| Jun 19, 5:41 PM EDT | TSTM WND GST 71 | Lower Moreland Twp, PA | A measured 71 mph wind gust associated with a bow echo. Report delayed due to power outage. |
| Jun 19, 5:42 PM EDT | TSTM WND DMG | 1 Nw Holmesburg, PA | Pictures show several trees down at Rhawn Street and Roosevelt Boulevard. Time estimated from radar. |
| Jun 19, 5:42 PM EDT | TSTM WND DMG | 1 Wnw Bustleton, PA | Large tree down in the 1100 block of Surrey Road blocking the road. Power pole leaning. Time estimated from radar. |
| Jun 19, 5:42 PM EDT | TSTM WND DMG | 1 Wnw Bustleton, PA | Power pole and wires down with another pole leaning in the 9200 block of Krewstown road. Time estimated from radar. |
| Jun 19, 5:43 PM EDT | TSTM WND DMG | 1 Ene Hatboro, PA | Several large branches blown down. Time estimated from radar. |
| Jun 19, 5:43 PM EDT | TSTM WND DMG | Bensalem, PA | Multiple trees snapped. Time estimated from radar. |
| Jun 19, 5:44 PM EDT | TSTM WND DMG | Warminster, PA | Pictures show trees down, some snapped or uprooted. Time estimated from radar. |
| Jun 19, 5:45 PM EDT | TSTM WND DMG | 1 E Andalusia, PA | Trees and branches onto I-95. |
| Jun 19, 5:45 PM EDT | TSTM WND DMG | Bensalem, PA | Trees downed onto cars, time estimated. |
| Jun 19, 5:45 PM EDT | TSTM WND DMG | Upper Southampton Twp, PA | Large tree snapped. Time estimated from radar. |
| Jun 19, 5:48 PM EDT | TSTM WND DMG | 1 Sse Northampton Twp, PA | Multiple trees and wires blown down. |
| Jun 19, 5:48 PM EDT | TSTM WND DMG | Langhorne, PA | Multiple large tree branches blown down. Time estimated from radar. |
| Jun 19, 5:48 PM EDT | TSTM WND DMG | Lower Southampton Twp, PA | Large section of a tree blown down in Feasterville. Time estimated from Radar. |
| Jun 19, 5:49 PM EDT | TSTM WND DMG | Richboro, PA | Multiple large branches blown down. Time estimated from radar. |
| Jun 19, 5:51 PM EDT | TSTM WND DMG | Newtown, PA | Multiple large tree branches blown down in Newtown. Time estimated from radar. |
| Jun 19, 5:52 PM EDT | TSTM WND DMG | Fairless Hills, PA | Tree down on shed. Time estimated from radar. |
| Jun 19, 5:54 PM EDT | TSTM WND DMG | Upper Makefield Twp., PA | Multiple large tree branches blown down in Upper Makefield Township. Time estimated from radar. |
| Jun 19, 5:55 PM EDT | TSTM WND DMG | 1 Nw Tullytown, PA | Trees down along Quarter Turn West Rd. Time estimated from radar. |
| Jun 19, 6:00 PM EDT | TSTM WND DMG | Washington Crossing, NJ | Several large tree limbs downed , time approx. |
| Jun 19, 6:01 PM EDT | TSTM WND DMG | Ewing, NJ | Corrects previous tstm wnd dmg report from Ewing. Many scattered trees down in the western portion of Ewing and northwestern Trenton along Route 29 and around Banchoff Park and Mountain View Golf Course. A few trees landed on cars and houses. |
| Jun 19, 6:01 PM EDT | TSTM WND GST 51 | Trenton Mercer Airport, NJ | |
| Jun 19, 6:03 PM EDT | TSTM WND GST 56 | Trenton Mercer Airport, NJ | Corrects previous tstm wnd gst report from Trenton Mercer Airport. |
| Jun 19, 6:18 PM EDT | TSTM WND DMG | Lambertville, NJ | Multiple trees and power lines down. Time estimated from radar. |
| Jun 19, 6:18 PM EDT | TSTM WND DMG | Lawrence Twp, NJ | Multiple trees and wires down. Time estimated from radar. |
| Jun 19, 6:30 PM EDT | TSTM WND DMG | Three Bridges, NJ | Several trees and large limbs downed; time estimated. |
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 19, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.7 hours before the alert went out and 169 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
- 14 J/kg
- Mixed-layer CIN
- -197 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
241
WUUS51 KPHI 192140
SVRPHI
NJC005-019-021-PAC017-091-101-192230-
/O.NEW.KPHI.SV.W.0078.250619T2140Z-250619T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
540 PM EDT Thu Jun 19 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Hunterdon County in northwestern New Jersey...
Mercer County in central New Jersey...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
* Until 630 PM EDT.
* At 540 PM EDT, a severe thunderstorm was located over Abington, or
7 miles north of Philadelphia, moving northeast at 60 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
* Locations impacted include...
Philadelphia, Trenton, Bensalem, Ewing, Lansdale, East Norriton,
Princeton, Florence, Burlington, Bristol, Doylestown, Riverside,
Palmyra, Hatboro, Ambler, Hightstown, Jenkintown, Chalfont,
Bordentown, and Pennington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4018 7457 4018 7461 4017 7461 3995 7515
4019 7535 4053 7480 4052 7479 4038 7473
4039 7463 4037 7462 4033 7462 4029 7456
4029 7453 4026 7448
TIME...MOT...LOC 2140Z 236DEG 54KT 4011 7512
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS3 follow-up statements
744
WWUS51 KPHI 192200 RRB
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
600 PM EDT Thu Jun 19 2025
PAC091-101-192210-
/O.CAN.KPHI.SV.W.0078.000000T0000Z-250619T2230Z/
Montgomery PA-Philadelphia PA-
600 PM EDT Thu Jun 19 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY AND
PHILADELPHIA COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern, central, northern and northwestern New Jersey...and
southeastern Pennsylvania.
LAT...LON 4018 7457 4018 7461 4017 7462 4006 7488
4027 7523 4053 7480 4038 7473 4037 7472
4039 7463 4033 7462 4029 7456 4028 7451
4025 7448
TIME...MOT...LOC 2200Z 235DEG 43KT 4024 7486
$$
NJC005-019-021-PAC017-192230-
/O.CON.KPHI.SV.W.0078.000000T0000Z-250619T2230Z/
Hunterdon NJ-Mercer NJ-Burlington NJ-Bucks PA-
600 PM EDT Thu Jun 19 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN HUNTERDON...MERCER...NORTH CENTRAL BURLINGTON AND
SOUTHEASTERN BUCKS COUNTIES...
At 600 PM EDT, a severe thunderstorm was located over Woodside, or
near Trenton, moving northeast at 50 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Trenton, Bensalem, Ewing, Princeton, Florence, Burlington, Bristol,
Doylestown, Hightstown, Chalfont, Bordentown, Pennington, New Hope,
Yardley, Newtown, Hopewell, Tullytown, Allentown, Langhorne, and
Ivyland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should seek shelter inside a well-built structure and away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4018 7457 4018 7461 4017 7462 4006 7488
4027 7523 4053 7480 4038 7473 4037 7472
4039 7463 4033 7462 4029 7456 4028 7451
4025 7448
TIME...MOT...LOC 2200Z 235DEG 43KT 4024 7486
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS403
WWUS51 KPHI 192218
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
618 PM EDT Thu Jun 19 2025
NJC005-192228-
/O.CAN.KPHI.SV.W.0078.000000T0000Z-250619T2230Z/
Burlington NJ-
618 PM EDT Thu Jun 19 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL BURLINGTON
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.
LAT...LON 4019 7463 4034 7511 4053 7480 4038 7473
4037 7472 4039 7463 4033 7462 4029 7456
4028 7451 4025 7448 4018 7457 4018 7461
TIME...MOT...LOC 2218Z 236DEG 31KT 4032 7473
$$
NJC019-021-PAC017-192230-
/O.CON.KPHI.SV.W.0078.000000T0000Z-250619T2230Z/
Hunterdon NJ-Mercer NJ-Bucks PA-
618 PM EDT Thu Jun 19 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHEASTERN HUNTERDON...MERCER AND EAST CENTRAL BUCKS
COUNTIES...
At 618 PM EDT, a severe thunderstorm was located over Lawrenceville,
or near Trenton, moving northeast at 35 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, Princeton, Hightstown, Pennington, New Hope,
Hopewell, Allentown, Stockton, Washington Crossing, Edinburg,
Windsor, Mercerville-Hamilton Square, Cloverhill, Lawrenceville, Twin
Rivers, White Horse, Lambertville, Princeton Junction, and Princeton
North.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should seek shelter inside a well-built structure and away from
windows.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4019 7463 4034 7511 4053 7480 4038 7473
4037 7472 4039 7463 4033 7462 4029 7456
4028 7451 4025 7448 4018 7457 4018 7461
TIME...MOT...LOC 2218Z 236DEG 31KT 4032 7473
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS781
WWUS51 KPHI 192225
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
625 PM EDT Thu Jun 19 2025
NJC019-021-PAC017-192234-
/O.EXP.KPHI.SV.W.0078.000000T0000Z-250619T2230Z/
Hunterdon NJ-Mercer NJ-Bucks PA-
625 PM EDT Thu Jun 19 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HUNTERDON...
MERCER AND EAST CENTRAL BUCKS COUNTIES WILL EXPIRE AT 630 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
central, northern and northwestern New Jersey...and southeastern
Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
LAT...LON 4019 7463 4034 7511 4053 7480 4038 7473
4037 7472 4039 7463 4033 7462 4029 7456
4028 7451 4025 7448 4018 7457 4018 7461
TIME...MOT...LOC 2224Z 236DEG 54KT 4037 7464
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 2:27 PM EDT | Small Craft Advisory | PHI | 16 hr | |
| Jun 19, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Somerset | 31 min |
| Jun 19, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Morris, Somerset | 46 min |
| Jun 19, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Morris, Sussex | 29 min |
| Jun 19, 4:48 PM EDT | Special Marine Warning | PHI | 42 min | |
| Jun 19, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Burlington | 47 min |
| Jun 19, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Camden, Gloucester, Salem | 52 min |
| Jun 19, 5:27 PM EDT | Special Marine Warning | PHI | 63 min | |
| Jun 19, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland, Gloucester, Salem | 49 min |
| Jun 19, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Cumberland | 39 min |
| Jun 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Middlesex, Monmouth, Morris, Somerset and 1 more | 31 min |
| Jun 19, 6:34 PM EDT | Special Marine Warning | PHI | 56 min | |
| Jun 19, 6:52 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 19, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 50 min |
| Jun 19, 7:02 PM EDT | Special Marine Warning | PHI | 43 min | |
| Jun 19, 7:06 PM EDT | Special Marine Warning | PHI | 54 min | |
| Jun 19, 7:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Jun 19, 12:06 AM EDT | Areal Flood Warning | PHI | Berks | 2 hr |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 41 min |
| Jun 19, 5:02 PM EDT | Tornado Warning | PHI | Chester, Delaware | 15 min |
| Jun 19, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 44 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.