Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 31, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 3, 2025, 8:10 PM EDT for Bucks County, Montgomery County, Philadelphia County, Pennsylvania. It was in force for 50 min. 3 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
- May 3, 2025, 8:10 PM EDT (00:10 UTC)
- Expired
- May 3, 2025, 9:00 PM EDT
- In force
- 50 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bucks County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 00:11 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 |
|---|---|---|---|
| May 3, 8:27 PM EDT | TSTM WND DMG | 1 E Jenkintown, PA | Multiple trees down in Abington Township including a tree into a house. Time estimated from radar. |
| May 3, 8:27 PM EDT | HAIL 1 | Rockledge, PA | Report from mPING: Quarter (1.00 in.). |
| May 3, 8:29 PM EDT | HAIL 0.5 | 1 N Rockledge, PA | Report from mPING: Half-inch (0.50 in.). |
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 |
|---|---|---|---|
| May 3, 5:51 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.2 hours before the alert went out and 200 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
- 25 J/kg
- Mixed-layer CIN
- -247 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 180 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
047
WUUS51 KPHI 040010
SVRPHI
PAC017-091-101-040100-
/O.NEW.KPHI.SV.W.0031.250504T0010Z-250504T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
810 PM EDT Sat May 3 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
Southeastern Montgomery County in southeastern Pennsylvania...
Southeastern Bucks County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
* Until 900 PM EDT.
* At 810 PM EDT, a severe thunderstorm was located over Roxborough,
or near Philadelphia, moving northeast at 25 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...
Cornwells Heights-Eddington, Wissinoming, Feasterville-Trevose,
Churchville, Hulmeville, Abington, Rockledge, Morris Park, Fort
Washington, Hatboro, Bryn Mawr, Flourtown, Village Shires, Bristol,
Tacony, Richboro, Penn Wynne, Jenkintown, Kensington, and
Woodbourne.
This includes the following highways...
Pennsylvania Turnpike between mile markers 337 and 358.
Interstate 95 in Pennsylvania between mile markers 26 and 40.
Interstate 76 in Pennsylvania between mile markers 333 and 344.
Interstate 676 in Pennsylvania between mile markers 0 and 1.
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.
&&
LAT...LON 4012 7478 4013 7482 4008 7487 4007 7494
4002 7501 4002 7504 3999 7506 3998 7514
3995 7517 3994 7522 4004 7534 4034 7494
4014 7474
TIME...MOT...LOC 0010Z 232DEG 21KT 4002 7521
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich3 follow-up statements
007
WWUS51 KPHI 040029
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
829 PM EDT Sat May 3 2025
PAC017-091-101-040100-
/O.CON.KPHI.SV.W.0031.000000T0000Z-250504T0100Z/
Montgomery PA-Bucks PA-Philadelphia PA-
829 PM EDT Sat May 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN MONTGOMERY...SOUTHEASTERN BUCKS AND NORTHEASTERN
PHILADELPHIA COUNTIES...
At 829 PM EDT, a severe thunderstorm was located over Abington, or
near Philadelphia, moving northeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Cornwells Heights-Eddington, Wissinoming, Feasterville-Trevose,
Churchville, Hulmeville, Willow Grove, Bryn Athyn, Abington,
Rockledge, Horsham, Newtown, Fort Washington, Hatboro, Northeast
Philadelphia, Flourtown, Village Shires, Feasterville, Tacony,
Penndel, and Woodside.
This includes the following highways...
Pennsylvania Turnpike between mile markers 337 and 358.
Interstate 95 in Pennsylvania between mile markers 28 and 40.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4002 7510 4011 7524 4013 7522 4034 7494
4016 7476 4013 7482 4008 7490 4007 7494
4002 7501 4002 7504 4001 7506
TIME...MOT...LOC 0029Z 225DEG 23KT 4010 7510
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich578
WWUS51 KPHI 040042
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
842 PM EDT Sat May 3 2025
PAC091-101-040052-
/O.CAN.KPHI.SV.W.0031.000000T0000Z-250504T0100Z/
Montgomery PA-Philadelphia PA-
842 PM EDT Sat May 3 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONTGOMERY 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 1100 PM EDT for
southern New Jersey...and southeastern Pennsylvania.
LAT...LON 4009 7488 4006 7495 4008 7497 4012 7496
4014 7503 4021 7509 4032 7493 4031 7491
4019 7478 4016 7477
TIME...MOT...LOC 0042Z 233DEG 35KT 4018 7495
$$
PAC017-040100-
/O.CON.KPHI.SV.W.0031.000000T0000Z-250504T0100Z/
Bucks PA-
842 PM EDT Sat May 3 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR SOUTHEASTERN BUCKS COUNTY...
At 842 PM EDT, a severe thunderstorm was located over Langhorne, or 9
miles west of Trenton, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor damage to vehicles is possible. Wind damage to roofs,
siding, trees, and power lines is possible.
Locations impacted include...
Yardley, Richboro, Bensalem, Cornwells Heights-Eddington, Tullytown,
Feasterville-Trevose, Churchville, Hulmeville, Ivyland, Woodbourne,
Newtown, Croydon, Village Shires, Langhorne, Langhorn, Levittown,
Feasterville, Langhorne Manor, Newtown Grant, and Penndel.
This includes the following highways...
Pennsylvania Turnpike between mile markers 347 and 358.
Interstate 95 in Pennsylvania between mile markers 35 and 40.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4009 7488 4006 7495 4008 7497 4012 7496
4014 7503 4021 7509 4032 7493 4031 7491
4019 7478 4016 7477
TIME...MOT...LOC 0042Z 233DEG 35KT 4018 7495
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Hoeflich602
WWUS51 KPHI 040050
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
850 PM EDT Sat May 3 2025
PAC017-040100-
/O.EXP.KPHI.SV.W.0031.000000T0000Z-250504T0100Z/
Bucks PA-
850 PM EDT Sat May 3 2025
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN BUCKS COUNTY WILL
EXPIRE AT 900 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
southern 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 4009 7488 4006 7495 4008 7497 4012 7496
4014 7503 4021 7509 4032 7493 4031 7491
4019 7478 4016 7477
TIME...MOT...LOC 0050Z 232DEG 21KT 4020 7491
$$
HoeflichThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 43 min |
| May 3, 9:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 17 min |
Nearby
Severe 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.