Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 119, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 1, 2025, 2:58 PM EDT for Burlington County, New Jersey; Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 47 min. 1 report 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 1, 2025, 2:58 PM EDT (18:58 UTC)
- Expired
- Jul 1, 2025, 3:45 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Burlington County, NJ, Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 59 km from the middle of the area, began a volume at 19:02 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 1, 3:05 PM EDT | TSTM WND DMG | 1 Wsw Bustleton, PA | Trees down on Bustleton Ave and Winchester Ave blocking much of the roadway. 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 1, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 205 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
- 513 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 775 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 3.7
The text
As transmitted.
268
WUUS51 KPHI 011858
SVRPHI
NJC005-PAC017-091-101-011945-
/O.NEW.KPHI.SV.W.0119.250701T1858Z-250701T1945Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
258 PM EDT Tue Jul 1 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Northern Philadelphia County in southeastern Pennsylvania...
* Until 345 PM EDT.
* At 258 PM EDT, a severe thunderstorm was located over Jenkintown,
or near Philadelphia, moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to
roofs, siding, trees, and power lines is possible.
* Locations impacted include...
Philadelphia, Bensalem, Burlington, Bristol, Hatboro, Ambler,
Jenkintown, Beverly, Rockledge, Newtown, Abington, Langhorne, Bryn
Athyn, Ivyland, Feasterville-Trevose, Richboro, Langhorn, Willow
Grove, Germantown, and Northeast Philadelphia.
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 4002 7521 4016 7525 4028 7487 4005 7480
TIME...MOT...LOC 1858Z 255DEG 17KT 4011 7511
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Staarmann3 follow-up statements
771
WWUS51 KPHI 011905
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
305 PM EDT Tue Jul 1 2025
NJC005-PAC017-091-101-011945-
/O.CON.KPHI.SV.W.0119.000000T0000Z-250701T1945Z/
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
305 PM EDT Tue Jul 1 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN
BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES...
At 305 PM EDT, a severe thunderstorm was located over Bryn Athyn, or
8 miles north of Philadelphia, moving east at 20 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
Locations impacted include...
Philadelphia, Bensalem, Burlington, Bristol, Hatboro, Ambler,
Jenkintown, Beverly, Rockledge, Newtown, Abington, Langhorne, Bryn
Athyn, Ivyland, Feasterville-Trevose, Willow Grove, Germantown,
Northeast Philadelphia, Feasterville, and Woodside.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with this storm. Move
indoors immediately. Lightning is one of nature's leading killers.
Remember, if you can hear thunder, you are close enough to be struck
by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4004 7519 4015 7522 4028 7487 4005 7480
TIME...MOT...LOC 1905Z 253DEG 17KT 4013 7507
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Staarmann088
WWUS51 KPHI 011915
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
315 PM EDT Tue Jul 1 2025
NJC005-PAC017-091-101-011945-
/O.CON.KPHI.SV.W.0119.000000T0000Z-250701T1945Z/
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
315 PM EDT Tue Jul 1 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTHEASTERN
BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES...
At 315 PM EDT, a severe thunderstorm was located over
Feasterville-Trevose, or 10 miles northeast of Philadelphia, moving
east at 20 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, Bensalem, Burlington, Bristol, Hatboro, Jenkintown,
Beverly, Rockledge, Newtown, Abington, Langhorne, Bryn Athyn,
Feasterville-Trevose, Willow Grove, Germantown, Northeast
Philadelphia, Feasterville, Woodside, Andalusia, and Langhorn.
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 4004 7519 4009 7520 4019 7508 4028 7487
4005 7480
TIME...MOT...LOC 1915Z 254DEG 17KT 4014 7502
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Staarmann779
WWUS51 KPHI 011928
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
328 PM EDT Tue Jul 1 2025
NJC005-PAC017-091-101-011945-
/O.CON.KPHI.SV.W.0119.000000T0000Z-250701T1945Z/
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
328 PM EDT Tue Jul 1 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHWESTERN BURLINGTON...EAST CENTRAL MONTGOMERY...SOUTHEASTERN
BUCKS AND NORTHEASTERN PHILADELPHIA COUNTIES...
At 328 PM EDT, severe thunderstorms were located along a line
extending from near Langhorn to Bensalem to Rockledge, moving east at
20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Philadelphia, Bensalem, Burlington, Bristol, Jenkintown, Beverly,
Rockledge, Newtown, Langhorne, Bryn Athyn, Feasterville-Trevose,
Germantown, Northeast Philadelphia, Feasterville, Woodside,
Andalusia, Langhorn, Levittown, Richboro, and Florence-Roebling.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4004 7519 4024 7496 4028 7487 4005 7480
TIME...MOT...LOC 1928Z 259DEG 17KT 4020 7490 4013 7494 4006 7510
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
StaarmannThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 9:38 PM EDT | Special Marine Warning | PHI | 67 min | |
| Jun 30, 9:41 PM EDT | Severe Thunderstorm Warning | PHI | Salem | 64 min |
| Jul 1, 12:05 AM EDT | Special Marine Warning | PHI | 37 min | |
| Jul 1, 2:30 AM EDT | Flood Watch | PHI | Burlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 3 more | 19 hr |
| Jul 1, 1:47 PM EDT | Special Marine Warning | PHI | 58 min | |
| Jul 1, 3:22 PM EDT | Special Marine Warning | PHI | 83 min | |
| Jul 1, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Mercer, Monmouth | 66 min |
| Jul 1, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 50 min |
| Jul 1, 4:36 PM EDT | Special Marine Warning | PHI | 84 min | |
| Jul 1, 5:00 PM EDT | Flash Flood Warning | PHI | Monmouth, Ocean | 4 hr |
| Jul 1, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Warren | 38 min |
| Jul 1, 5:10 PM EDT | Special Marine Warning | PHI | 2 hr | |
| Jul 1, 5:14 PM EDT | Special Marine Warning | PHI | 91 min | |
| Jul 1, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Monmouth, Ocean | 61 min |
| Jul 1, 5:43 PM EDT | Special Marine Warning | PHI | 98 min | |
| Jul 1, 6:11 PM EDT | Flash Flood Warning | PHI | Ocean | 4 hr |
| Jul 1, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Ocean | 58 min |
| Jul 1, 6:35 PM EDT | Special Marine Warning | PHI | 115 min | |
| Jul 1, 6:39 PM EDT | Special Marine Warning | PHI | 96 min | |
| Jul 1, 6:44 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Ocean | 46 min |
| Jun 30, 11:20 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jun 30, 11:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 43 min |
| Jul 1, 12:38 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 36 min |
| Jul 1, 6:15 AM EDT | River Flood Warning | PHI | Chester | 3 hr |
| Jul 1, 6:21 AM EDT | Areal Flood Warning | PHI | Delaware | 2 hr |
| Jul 1, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 43 min |
| Jul 1, 3:00 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 1, 3:06 PM EDT | River Flood Warning | PHI | Chester, Delaware | 8 hr |
| Jul 1, 3:31 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Jul 1, 3:34 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery | 63 min |
| Jul 1, 4:44 PM EDT | Flash Flood Warning | PHI | Chester | 4 hr |
| Jul 1, 4:47 PM EDT | Tornado Warning | PHI | Berks, Montgomery | 28 min |
| Jul 1, 4:55 PM EDT | Flash Flood Warning | PHI | Berks, Chester, Montgomery | 4 hr |
| Jul 1, 5:14 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 4 hr |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2025Severe Thunderstorm Warnings in New Jersey, 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.