Alert archive / Pennsylvania / Tornado Warnings in 2025

Tornado Warning 19, NWS Philadelphia/Mount Holly

June 19, 2025New Castle County, Delaware; Chester County, Delaware County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 19, 2025, 5:02 PM EDT for New Castle County, Delaware; Chester County, Delaware County, Pennsylvania. It was in force for 15 min. 14 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, 5:02 PM EDT (21:02 UTC)
Expired: Jun 19, 2025, 5:17 PM EDT
In force: 15 min
Issued by: NWS Philadelphia/Mount Holly
Area: Storm-based polygon
Tornado: Radar indicated
Damage threat: Considerable
Hail: 1.0 in

Counties New Castle County, DE, Chester County, PA, Delaware County, PA

The radar

The Philadelphia radar (KDIX), 107 km from the middle of the area, began a volume at 21:05 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, 5:04 PM EDT	TSTM WND DMG	2 Nw Talleyville, DE	* 1 INJ * Tree fell onto a car resulting in an injury to the occupant. Time estimated from radar.
Jun 19, 5:05 PM EDT	TSTM WND DMG	1 Nw Birmingham Twp, PA	Numerous trees down. Time estimated from radar.
Jun 19, 5:07 PM EDT	TSTM WND DMG	1 Ne Talleyville, DE	A tree into a house. Time estimated from radar.
Jun 19, 5:07 PM EDT	TSTM WND DMG	1 Nw Concordville, PA	Significant tree damage occurred in the vicinity of Natalie Road and Carter Road near Thornton. Spotter provided photos showing numerous snapped and uprooted trees and crop damage in this area. The damage was most significant within a distinct narrow corridor,
Jun 19, 5:07 PM EDT	TSTM WND DMG	Westtown, PA	Multiple trees down. Time estimated from radar.
Jun 19, 5:08 PM EDT	TSTM WND DMG	1 Ne Talleyville, DE	Tree fell through the roof of a home on Emma Drive. No injuries reported. Time estimated from radar.
Jun 19, 5:08 PM EDT	TSTM WND GST 50	Wilmington, DE
Jun 19, 5:09 PM EDT	TSTM WND DMG	Westtown, PA	A tree fell onto a house. Time estimated from radar.
Jun 19, 5:09 PM EDT	TSTM WND DMG	Westtown, PA	Route 202 southbound vicinity of Skiles Blvd is completely blocked due to trees and wires down. Time estimated from radar.
Jun 19, 5:10 PM EDT	TSTM WND DMG	Concord Twp, PA	Numerout limbs downed onto roads. Time estimated.
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, 5:17 PM EDT	TSTM WND DMG	Phillips Heights, DE	Tree into house. 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, 9.0 hours before the alert went out and 178 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted.

371 
WFUS51 KPHI 192102
TORPHI
DEC003-PAC029-045-192130-
/O.NEW.KPHI.TO.W.0019.250619T2102Z-250619T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
502 PM EDT Thu Jun 19 2025

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Northern New Castle County in northern Delaware...
  Southeastern Chester County in southeastern Pennsylvania...
  Southwestern Delaware County in southeastern Pennsylvania...

* Until 530 PM EDT.

* At 502 PM EDT, a large and extremely dangerous tornado was located
  over Landenberg, or 7 miles north of Newark, moving northeast at 40
  mph.

  This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW!

  HAZARD...Damaging tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Considerable damage to homes, 
           businesses, and vehicles is likely and complete 
           destruction is possible.

* Locations impacted include...
  Wilmington, Newark, West Chester, Chester, Westtown, Elsmere,
  Kennett Square, West Grove, Newport, Arden, Stanton, Cheyney, North
  Star, Talleyville, Elam, Lima, Pike Creek, Chelsea, Ashland, and
  Gradyville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a large, extremely dangerous and potentially deadly
tornado is developing. To protect your life, TAKE COVER NOW! Move to
a basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

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 4000 7549 3983 7537 3976 7546 3967 7578
      3969 7579 3972 7579 3972 7581 3984 7587
TIME...MOT...LOC 2102Z 247DEG 33KT 3979 7574 

TORNADO...RADAR INDICATED
TORNADO DAMAGE THREAT...CONSIDERABLE
MAX HAIL SIZE...1.00 IN

$$

MPS

1 follow-up statement

537 
WWUS51 KPHI 192117
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
517 PM EDT Thu Jun 19 2025

DEC003-PAC029-045-192127-
/O.CAN.KPHI.TO.W.0019.000000T0000Z-250619T2130Z/
New Castle DE-Chester PA-Delaware PA-
517 PM EDT Thu Jun 19 2025

...THE TORNADO WARNING FOR NORTHERN NEW CASTLE...SOUTHEASTERN CHESTER
AND SOUTHWESTERN DELAWARE COUNTIES IS CANCELLED...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.  However
small hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM EDT for
northern Delaware...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.

Remember, a Severe Thunderstorm Warning still remains in effect 
until 6 pm.

LAT...LON 4000 7549 3983 7537 3976 7546 3967 7578
      3969 7579 3972 7579 3972 7581 3984 7587
TIME...MOT...LOC 2114Z 247DEG 33KT 3984 7557 

$$

MPS

The 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 Considerable damage threat	PHI	New Castle	41 min
Jun 19, 5:08 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	Kent, New Castle	52 min
Jun 19, 5:13 PM EDT	Severe Thunderstorm Warning Considerable damage threat	PHI	New Castle	47 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 Considerable damage threat	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 Considerable damage threat	PHI	Bucks, Montgomery, Philadelphia	50 min
Jun 19, 6:14 PM EDT	Severe Thunderstorm Warning	PHI	Bucks	31 min

Nearby

Tornado Warnings in Pennsylvania, 2025 Tornado Warnings in Delaware, 2025 Every tornado warning in 2025 Tornadoes 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.