Alert archive / Pennsylvania / Tornado Warnings in 2025

Tornado Warning 22, NWS Philadelphia/Mount Holly

July 8, 20254 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 8, 2025, 5:20 PM EDT for 4 counties in Pennsylvania. It was in force for 25 min. 6 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
Jul 8, 2025, 5:20 PM EDT (21:20 UTC)
Expired
Jul 8, 2025, 5:45 PM EDT
In force
25 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 21:19 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

TimeReportWhereRemark
Jul 8, 5:24 PM EDTTSTM WND DMGWest Norriton, PACorrects previous tstm wnd dmg report from West Norriton. Trees and wires down throughout West Norriton. Time estimated from radar.
Jul 8, 5:27 PM EDTTSTM WND DMG1 N King Of Prussia, PATrees and wires down near Upper Merion Township, PA. Time estimated from radar.
Jul 8, 5:27 PM EDTTSTM WND DMGNorristown, PALarge tree down blocking roadway at the corner of Hillcrest Ave and Evergreen Rd. Time estimated from radar.
Jul 8, 5:40 PM EDTTSTM WND DMGConshohocken, PAtree down on i-76 near Gulph Mills.
Jul 8, 5:42 PM EDTTSTM WND DMG1 Se Whitpain Twp., PATrees and wires down around Whitpain Township. Time estimated from radar.
Jul 8, 5:42 PM EDTTSTM WND DMGGlenside, PA*Delayed Report* Multiple trees snapped and one uprooted with a shed destroyed. 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.

IssuedProductOfficeLasted
Jul 8, 1:42 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.3 hours before the alert went out and 215 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2025-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 986 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2025-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
986 J/kg
Mixed-layer CIN
-92 J/kg
Mixed-layer LCL
697 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

564 
WFUS51 KPHI 082120
TORPHI
PAC029-045-091-101-082145-
/O.NEW.KPHI.TO.W.0022.250708T2120Z-250708T2145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
520 PM EDT Tue Jul 8 2025

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Southeastern Montgomery County in southeastern Pennsylvania...
  East central Chester County in southeastern Pennsylvania...
  Northwestern Philadelphia County in southeastern Pennsylvania...
  Northern Delaware County in southeastern Pennsylvania...

* Until 545 PM EDT.

* At 520 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over King Of Prussia, or 14 miles northeast of West
  Chester, moving east at 40 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Weather spotters reported funnel cloud.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Philadelphia, Norristown, West Norriton, East Norriton,
  Conshohocken, Hatboro, Ambler, Jenkintown, Rockledge, Abington,
  Bryn Athyn, Willow Grove, Valley Forge, Plymouth Meeting, Chestnut
  Hill, King Of Prussia, Germantown, Paoli, Radnor Township, and
  Horsham.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4021 7514 4021 7513 4013 7503 4004 7513
      4004 7548 4015 7548
TIME...MOT...LOC 2120Z 264DEG 35KT 4010 7540 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

MJL
2 follow-up statements
397 
WWUS51 KPHI 082130
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
530 PM EDT Tue Jul 8 2025

PAC029-045-082139-
/O.CAN.KPHI.TO.W.0022.000000T0000Z-250708T2145Z/
Chester PA-Delaware PA-
530 PM EDT Tue Jul 8 2025

...THE TORNADO WARNING FOR EAST CENTRAL CHESTER AND NORTHERN DELAWARE
COUNTIES IS CANCELLED...

The tornadic 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
southeastern Pennsylvania.

LAT...LON 4004 7513 4005 7535 4015 7537 4021 7514
      4021 7513 4013 7503
TIME...MOT...LOC 2129Z 264DEG 35KT 4011 7528 

$$

PAC091-101-082145-
/O.CON.KPHI.TO.W.0022.000000T0000Z-250708T2145Z/
Montgomery PA-Philadelphia PA-
530 PM EDT Tue Jul 8 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR
SOUTHEASTERN MONTGOMERY AND NORTHWESTERN PHILADELPHIA COUNTIES...

At 529 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Plymouth Meeting, or 10 miles northwest of
Philadelphia, moving east at 40 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Weather spotters reported a funnel cloud.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Philadelphia, Norristown, West Norriton, East Norriton, Conshohocken,
Hatboro, Ambler, Jenkintown, Rockledge, Abington, Bryn Athyn, Willow
Grove, Plymouth Meeting, Chestnut Hill, King Of Prussia, Horsham,
Bridgeport, West Conshohocken, Fort Washington, and Blue Bell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 4004 7513 4005 7535 4015 7537 4021 7514
      4021 7513 4013 7503
TIME...MOT...LOC 2129Z 264DEG 35KT 4011 7528 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

MJL
469 
WWUS51 KPHI 082139
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
539 PM EDT Tue Jul 8 2025

PAC091-101-082148-
/O.EXP.KPHI.TO.W.0022.000000T0000Z-250708T2145Z/
Montgomery PA-Philadelphia PA-
539 PM EDT Tue Jul 8 2025

...THE TORNADO WARNING FOR SOUTHEASTERN MONTGOMERY AND NORTHWESTERN
PHILADELPHIA COUNTIES WILL EXPIRE AT 545 PM EDT...

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
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 for 
Western Philadelphia County and Southern Montgomery County until 615 
PM EDT.

LAT...LON 4004 7513 4005 7535 4015 7537 4021 7514
      4021 7513 4013 7503
TIME...MOT...LOC 2138Z 264DEG 35KT 4012 7517 

$$

MJL

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 10:59 PM EDTFlood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more23 hr
Jul 8, 3:04 PM EDTSevere Thunderstorm WarningPHIBerks41 min
Jul 8, 3:44 PM EDTSevere Thunderstorm WarningPHIBerks46 min
Jul 8, 4:05 PM EDTFlash Flood WarningPHIBerks4 hr
Jul 8, 4:20 PM EDTSevere Thunderstorm WarningPHIChester40 min
Jul 8, 4:25 PM EDTSevere Thunderstorm WarningPHIBerks35 min
Jul 8, 4:33 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery42 min
Jul 8, 4:39 PM EDTFlash Flood WarningPHIChester4 hr
Jul 8, 4:54 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIBerks, Chester, Montgomery51 min
Jul 8, 4:56 PM EDTSevere Thunderstorm WarningPHIChester19 min
Jul 8, 5:02 PM EDTFlash Flood WarningPHIChester4 hr
Jul 8, 5:16 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIBucks, Chester, Delaware, Montgomery, Philadelphia29 min
Jul 8, 5:19 PM EDTTornado WarningPHIBucks, Montgomery26 min
Jul 8, 5:31 PM EDTFlash Flood WarningPHIChester, Delaware4 hr
Jul 8, 5:34 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIBucks, Delaware, Montgomery, Philadelphia41 min
Jul 8, 5:45 PM EDTFlash Flood WarningPHIChester, Delaware, Montgomery, Philadelphia4 hr
Jul 8, 5:46 PM EDTSevere Thunderstorm WarningPHIDelaware, Philadelphia44 min
Jul 8, 5:52 PM EDTTornado WarningPHIBucks, Montgomery, Philadelphia13 min
Jul 8, 5:53 PM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia4 hr
Jul 8, 5:56 PM EDTSevere Thunderstorm Warning Considerable damage threatPHIBucks, Philadelphia49 min
Jul 8, 6:08 PM EDTSevere Thunderstorm WarningPHIBucks34 min

Nearby

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