Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2025
Severe Thunderstorm Warning 74, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 19, 2025, 5:13 PM EDT for New Castle County, Delaware; 5 counties in Pennsylvania; Burlington County, New Jersey. It was in force for 47 min. 20 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, 5:13 PM EDT (21:13 UTC)
- Expired
- Jun 19, 2025, 6:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Philadelphia/Mount Holly
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 1.0 in
- Wind
- 70.0 mph
Counties New Castle County, DE, Burlington County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 21:14 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, 5:13 PM EDT | TSTM WND DMG | Chester Heights, PA | Numerous trees down. Time estimated from radar. |
| Jun 19, 5:15 PM EDT | TSTM WND DMG | 1 Nw Perth, DE | Trees into house. Time estimated from radar. |
| Jun 19, 5:15 PM EDT | TSTM WND DMG | Thornton, PA | Tree into house. Time estimated from radar. |
| Jun 19, 5:16 PM EDT | TSTM WND DMG | 1 W Upper Providence Tw, PA | Multiple trees snapped at Calvary Cemetery. Time estimated from radar. |
| Jun 19, 5:20 PM EDT | TSTM WND DMG | Media, PA | Several trees down. A few trees blocking roadways. Time estimated from radar. |
| Jun 19, 5:25 PM EDT | TSTM WND DMG | Ardmore, PA | Numerous trees downed, some onto homes and cars. Time approx. |
| Jun 19, 5:25 PM EDT | TSTM WND DMG | Havertown, PA | Corrects time of previous tstm wnd dmg report from Havertown. Tree down on car. Time estimated from radar. |
| Jun 19, 5:25 PM EDT | TSTM WND DMG | Lower Merion Twp., PA | Numerous trees downed, some onto homes and cars. Time approx. |
| Jun 19, 5:30 PM EDT | TSTM WND DMG | 1 W Whitpain Twp., PA | Three trees toppled/uprooted and toppled or blown into the house, resulting in siding and roof damage and a large hole in the attic wall. Time estimated from radar. |
| Jun 19, 5:30 PM EDT | TSTM WND DMG | Bala Cynwyd, PA | Part of the roof blew off a building damaging cars in the parking lot. |
| Jun 19, 5:30 PM EDT | TSTM WND DMG | Roxborough, PA | Numerous trees down across the Roxborough/Ivy Ridge/Andorra section of the city including Bells Mill Rd, and the Ridge Avenue United Methodist Church. Time estimated from radar. |
| Jun 19, 5:33 PM EDT | TSTM WND DMG | 1 Nnw Olney - Philadelp, PA | *** 2 INJ *** 2 people were injured when a tree fell and trapped the individuals in the East Oak Lane Neighborhood of Philadelphia. Time estimated from radar. |
| 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, 5:45 PM EDT | TSTM WND DMG | 1 E Andalusia, PA | Trees and branches onto I-95. |
| Jun 19, 5:52 PM EDT | TSTM WND DMG | Newtown Twp, PA | Multiple trees snapped near Hansell Road, Malin Road, and Briarwood Road. 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 |
|---|---|---|---|
| Jun 19, 1:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 12:00Z, 9.2 hours before the alert went out and 206 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
- 428 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1226 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 85 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
491
WUUS51 KPHI 192113
SVRPHI
DEC003-NJC005-PAC017-029-045-091-101-192200-
/O.NEW.KPHI.SV.W.0074.250619T2113Z-250619T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
513 PM EDT Thu Jun 19 2025
The National Weather Service in Mount Holly NJ has issued a
* Severe Thunderstorm Warning for...
North central New Castle County in northern Delaware...
Northwestern Burlington County in southern New Jersey...
Southeastern Montgomery County in southeastern Pennsylvania...
South central Bucks County in southeastern Pennsylvania...
Southeastern Chester County in southeastern Pennsylvania...
Philadelphia County in southeastern Pennsylvania...
Delaware County in southeastern Pennsylvania...
* Until 600 PM EDT.
* At 513 PM EDT, a severe thunderstorm was located over Westtown, or
over West Chester, moving northeast at 55 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, West Chester, Bensalem, Norristown, Chester, West
Norriton, East Norriton, Yeadon, Westtown, Downingtown,
Conshohocken, Palmyra, Hatboro, Folcroft, Ambler, Swarthmore,
Jenkintown, Narberth, East Lansdowne, and Beverly.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3977 7557 4001 7577 4025 7519 4007 7488
TIME...MOT...LOC 2113Z 239DEG 46KT 3993 7557
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
MPS2 follow-up statements
583
WWUS51 KPHI 192137
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
537 PM EDT Thu Jun 19 2025
DEC003-PAC029-045-192147-
/O.CAN.KPHI.SV.W.0074.000000T0000Z-250619T2200Z/
New Castle DE-Chester PA-Delaware PA-
537 PM EDT Thu Jun 19 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL NEW CASTLE...
SOUTHEASTERN CHESTER AND DELAWARE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern New Jersey...and southeastern Pennsylvania.
LAT...LON 3993 7521 4018 7537 4025 7519 4007 7488
4007 7489
TIME...MOT...LOC 2137Z 240DEG 47KT 4009 7521
$$
NJC005-PAC017-091-101-192200-
/O.CON.KPHI.SV.W.0074.000000T0000Z-250619T2200Z/
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
537 PM EDT Thu Jun 19 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTH CENTRAL
BUCKS AND PHILADELPHIA COUNTIES...
At 537 PM EDT, a severe thunderstorm was located over Chestnut Hill,
or near Philadelphia, moving northeast at 55 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...
Philadelphia, Bensalem, Norristown, East Norriton, Conshohocken,
Palmyra, Hatboro, Ambler, Jenkintown, Narberth, Beverly, Rockledge,
Abington, Bryn Athyn, Wissinoming, Willow Grove, Germantown,
Northeast Philadelphia, Center City, and Tacony.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Mount Holly NJ.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3993 7521 4018 7537 4025 7519 4007 7488
4007 7489
TIME...MOT...LOC 2137Z 240DEG 47KT 4009 7521
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
MPS337
WWUS51 KPHI 192152
SVSPHI
Severe Weather Statement
National Weather Service Mount Holly NJ
552 PM EDT Thu Jun 19 2025
NJC005-PAC017-091-101-192200-
/O.EXP.KPHI.SV.W.0074.000000T0000Z-250619T2200Z/
Burlington NJ-Montgomery PA-Bucks PA-Philadelphia PA-
552 PM EDT Thu Jun 19 2025
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BURLINGTON...
SOUTHEASTERN MONTGOMERY...SOUTH CENTRAL BUCKS AND PHILADELPHIA
COUNTIES WILL EXPIRE AT 600 PM EDT...
The storm which prompted the warning is moving out of the area.
Therefore, the warning will be allowed to expire. However, gusty
winds and heavy rain are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
southern New Jersey...and southeastern Pennsylvania.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.
Another Severe Thunderstorm Warning still remains in effect for
portions of these counties until 630 PM EDT.
LAT...LON 3993 7521 4018 7537 4025 7519 4007 7488
4007 7489
TIME...MOT...LOC 2150Z 239DEG 46KT 4017 7504
$$
MPSThe office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 41 min |
| Jun 19, 5:02 PM EDT | Tornado Warning | PHI | New Castle | 15 min |
| Jun 19, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 52 min |
| Jun 19, 5:22 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 38 min |
| Jun 19, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 52 min |
| Jun 19, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | New Castle | 49 min |
| Jun 19, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 39 min |
| Jun 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Sussex | 46 min |
| Jun 19, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 50 min |
| Jun 19, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 47 min |
| Jun 19, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Sussex | 27 min |
| Jun 19, 12:06 AM EDT | Areal Flood Warning | PHI | Berks | 2 hr |
| Jun 19, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 44 min |
| Jun 19, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 50 min |
| Jun 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 31 min |
| 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, 5:27 PM EDT | Special Marine Warning | PHI | 63 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, 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 |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2025Severe Thunderstorm Warnings in Delaware, 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.