Alert archive / Pennsylvania / Tornado Warnings in 2026

Tornado Warning 5, NWS Philadelphia/Mount Holly

June 22, 20264 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at Jun 22, 2026, 4:35 PM EDT for 4 counties in Pennsylvania. It was in force for 25 min. 2 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 22, 2026, 4:35 PM EDT (20:35 UTC)
Expired
Jun 22, 2026, 5:00 PM EDT
In force
25 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Berks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA

The radar

The Philadelphia radar (KDIX), 120 km from the middle of the area, began a volume at 20:35 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
Jun 22, 4:52 PM EDTHAIL 11 N Upper Uwchlan Twp, PAReport from mPING: Quarter (1.00 in.).
Jun 22, 5:00 PM EDTTSTM WND DMG1 Wnw Devault, PATrees and wires down reported around Charlestown Township. Time estimated by 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
Jun 22, 2:08 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.6 hours before the alert went out and 187 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, Washington/Dulle, VA at 12:00Z on 2026-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Washington/Dulle, VA at 12:00Z on 2026-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1417 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
286 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

596 
WFUS51 KPHI 222035
TORPHI
PAC011-029-045-091-222100-
/O.NEW.KPHI.TO.W.0005.260622T2035Z-260622T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
435 PM EDT Mon Jun 22 2026

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Southern Berks County in eastern Pennsylvania...
  West central Montgomery County in southeastern Pennsylvania...
  Northeastern Chester County in southeastern Pennsylvania...
  North central Delaware County in southeastern Pennsylvania...

* Until 500 PM EDT.

* At 435 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Honey Brook, or 10 miles east of New Holland,
  moving east at 35 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  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...
  Pottstown, Phoenixville, Coatesville, Downingtown, Collegeville,
  Royersford, Trappe, Honey Brook, Schwenksville, Elverson, New
  Morgan, Pughtown, Lionville-Marchwood, Valley Forge, Glenmoore,
  Paoli, Chester Springs, Lionville, Cedarville, and West Goshen.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 296 and 325.
 Interstate 176 in Pennsylvania between mile markers 1 and 2.

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 7593 4011 7594 4014 7588 4018 7594
      4027 7546 3997 7540 4000 7596
TIME...MOT...LOC 2035Z 262DEG 31KT 4010 7589 

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

$$

Cooper
1 follow-up statement
131 
WWUS51 KPHI 222047
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
447 PM EDT Mon Jun 22 2026

PAC011-222057-
/O.CAN.KPHI.TO.W.0005.000000T0000Z-260622T2100Z/
Berks PA-
447 PM EDT Mon Jun 22 2026

...THE TORNADO WARNING FOR SOUTHERN BERKS COUNTY 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 4016 7582 4023 7545 3997 7540 3999 7586
TIME...MOT...LOC 2047Z 262DEG 31KT 4011 7575 

$$

PAC029-045-091-222100-
/O.CON.KPHI.TO.W.0005.000000T0000Z-260622T2100Z/
Montgomery PA-Chester PA-Delaware PA-
447 PM EDT Mon Jun 22 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR WEST
CENTRAL MONTGOMERY...NORTHEASTERN CHESTER AND NORTH CENTRAL DELAWARE
COUNTIES...

At 447 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Glenmoore, or 13 miles northwest of West Chester,
moving east at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

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...
Phoenixville, Coatesville, Downingtown, Collegeville, Royersford,
Trappe, Elverson, Valley Forge, Glenmoore, Paoli, Chester Springs,
Pughtown, Lionville, Lionville-Marchwood, West Goshen, Spring City,
Malvern, Exton, Thorndale, and Chesterbrook.

This includes Pennsylvania Turnpike between mile markers 302 and 325.
 
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 4016 7582 4023 7545 3997 7540 3999 7586
TIME...MOT...LOC 2047Z 262DEG 31KT 4011 7575 

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

$$

Cooper

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 2:13 AM EDTFlood WatchPHIBucks, Chester, Delaware, Montgomery, Philadelphia25 hr
Jun 22, 2:20 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia40 min
Jun 22, 2:55 PM EDTSevere Thunderstorm WarningPHIBucks50 min
Jun 22, 4:15 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery45 min
Jun 22, 4:56 PM EDTTornado WarningPHIChester, Delaware, Montgomery34 min
Jun 22, 5:18 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery42 min
Jun 22, 5:22 PM EDTSevere Thunderstorm WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia53 min
Jun 22, 5:53 PM EDTSevere Thunderstorm WarningPHIBucks52 min
Jun 22, 6:02 PM EDTFlash Flood WarningPHIDelaware, Montgomery, Philadelphia4 hr
Jun 22, 6:02 PM EDTSevere Thunderstorm WarningPHIDelaware, Philadelphia43 min
Jun 22, 6:09 PM EDTSevere Thunderstorm WarningPHIBucks, Montgomery, Philadelphia51 min
Jun 22, 6:26 PM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia4 hr
Jun 22, 6:36 PM EDTFlash Flood WarningPHIPhiladelphia3 hr
Jun 22, 6:48 PM EDTFlash Flood WarningPHIBucks3 hr

Nearby

Tornado Warnings in Pennsylvania, 2026Every tornado warning in 2026Tornadoes in 2026

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.