Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 92, NWS Philadelphia/Mount Holly

June 22, 2026Burlington County, New Jersey; 5 counties in Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jun 22, 2026, 5:22 PM EDT for Burlington County, New Jersey; 5 counties in Pennsylvania. It was in force for 53 min. 8 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, 5:22 PM EDT (21:22 UTC)
Expired
Jun 22, 2026, 6:15 PM EDT
In force
53 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Possible
Hail
0.75 in
Wind
60.0 mph

Counties Burlington County, NJ, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA

The radar

The Philadelphia radar (KDIX), 60 km from the middle of the area, began a volume at 21:22 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, 5:38 PM EDTTSTM WND DMG2 N Gladwyne, PADowned tree on I-76 westbound 2.5 miles east of Exit 332: PA 23 southeast of Conshohocken. There is a lane restriction. Time estimated from radar.
Jun 22, 6:04 PM EDTTSTM WND DMGCheltenham, PATrees down around Tookany Creek Park. Time estimated by radar.
Jun 22, 6:04 PM EDTTSTM WND DMGFox Chase, PALarge tree limb downed near intersection of Jeanes Street and Solly Ave. Time estimated by radar.
Jun 22, 6:04 PM EDTTSTM WND DMGFox Chase, PALarge tree limb downed near intersection of Rockwell Ave and Conard Street. Time estimated by radar.
Jun 22, 6:04 PM EDTTSTM WND DMGFox Chase, PATree limb downed near intersection of Ferndale Street and Rhawn Street. Time estimated by radar.
Jun 22, 6:04 PM EDTTSTM WND DMGFox Chase, PATree limb fell on vehicle causing some damage to the vehicle near intersection of Jeanes Street and Arthur Street. Time estimated by radar.
Jun 22, 6:04 PM EDTTSTM WND DMGRockledge, PASeveral large tree limbs downed within the 8000 block of Burholme Ave. Time estimated by radar.
Jun 22, 6:05 PM EDTTSTM WND DMGRockledge, PALarge tree limb downed within 8100 block of Pine Road. 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

Brookhaven, NY (KOKX), launched 12:00Z, 9.4 hours before the alert went out and 210 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 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, Brookhaven, NY at 12:00Z on 2026-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
1598 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

899 
WUUS51 KPHI 222122
SVRPHI
NJC005-PAC017-029-045-091-101-222215-
/O.NEW.KPHI.SV.W.0092.260622T2122Z-260622T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
522 PM EDT Mon Jun 22 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northwestern Burlington County in southern New Jersey...
  Southeastern Montgomery County in southeastern Pennsylvania...
  South central Bucks County in southeastern Pennsylvania...
  Northeastern Chester County in southeastern Pennsylvania...
  Philadelphia County in southeastern Pennsylvania...
  Northeastern Delaware County in southeastern Pennsylvania...

* Until 615 PM EDT.

* At 522 PM EDT, a severe thunderstorm was located over King Of
  Prussia, or 14 miles northwest of Philadelphia, moving east at 35
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Philadelphia, Bensalem, Norristown, West Norriton, East Norriton,
  Riverside, Conshohocken, Palmyra, Hatboro, Ambler, Jenkintown,
  Narberth, Beverly, Rockledge, Abington, Langhorne, Bryn Athyn,
  Wissinoming, Feasterville-Trevose, and Bryn Mawr.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 323 and 354.
 Northeast Extension between mile markers 21 and 24.
 Interstate 95 in Pennsylvania between mile markers 26 and 38.
 Interstate 76 in Pennsylvania between mile markers 327 and 341.
 Interstate 476 in Pennsylvania between mile markers 11 and 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3998 7490 3998 7502 4000 7504 3999 7506
      4000 7548 4016 7548 4022 7492
TIME...MOT...LOC 2122Z 267DEG 31KT 4010 7539 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann
1 follow-up statement
563 
WWUS51 KPHI 222150
SVSPHI

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

NJC005-PAC017-029-045-091-101-222215-
/O.CON.KPHI.SV.W.0092.000000T0000Z-260622T2215Z/
Burlington NJ-Montgomery PA-Bucks PA-Chester PA-Philadelphia PA-
Delaware PA-
550 PM EDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT
FOR NORTHWESTERN BURLINGTON...SOUTHEASTERN MONTGOMERY...SOUTH CENTRAL
BUCKS...NORTHEASTERN CHESTER...PHILADELPHIA AND NORTHEASTERN DELAWARE
COUNTIES...

At 550 PM EDT, severe thunderstorms were located along a line
extending from Chestnut Hill to Radnor Township, moving east at 30
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Damage to roofs, siding, trees, and power lines is 
         possible.

Locations impacted include...
Philadelphia, Bensalem, Norristown, West Norriton, East Norriton,
Riverside, Conshohocken, Palmyra, Hatboro, Ambler, Jenkintown,
Narberth, Beverly, Rockledge, Abington, Langhorne, Bryn Athyn,
Wissinoming, Feasterville-Trevose, and Bryn Mawr.

This includes the following highways...
 Pennsylvania Turnpike between mile markers 323 and 354.
 Northeast Extension between mile markers 21 and 24.
 Interstate 95 in Pennsylvania between mile markers 26 and 38.
 Interstate 76 in Pennsylvania between mile markers 327 and 341.
 Interstate 476 in Pennsylvania between mile markers 11 and 19.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Frequent cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3998 7490 3998 7502 4000 7504 3999 7506
      4000 7548 4011 7548 4018 7528 4022 7492
TIME...MOT...LOC 2150Z 259DEG 26KT 4007 7524 4005 7537 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 2:13 AM EDTFlood WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 4 more25 hr
Jun 22, 2:20 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden40 min
Jun 22, 2:55 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean50 min
Jun 22, 3:23 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean22 min
Jun 22, 3:26 PM EDTSpecial Marine WarningPHI84 min
Jun 22, 5:18 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer42 min
Jun 22, 5:53 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Middlesex, Monmouth52 min
Jun 22, 6:02 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Gloucester43 min
Jun 22, 6:09 PM EDTSevere Thunderstorm WarningPHIBurlington, Camden, Mercer, Monmouth51 min
Jun 22, 6:21 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester39 min
Jun 22, 6:26 PM EDTFlash Flood WarningPHIBurlington4 hr
Jun 22, 6:36 PM EDTFlash Flood WarningPHIBurlington3 hr
Jun 22, 6:36 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean39 min
Jun 22, 6:48 PM EDTFlash Flood WarningPHIBurlington, Mercer, Middlesex, Monmouth3 hr
Jun 22, 6:59 PM EDTSpecial Marine WarningPHI61 min
Jun 22, 6:59 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester46 min
Jun 22, 7:06 PM EDTFlash Flood WarningPHICamden, Gloucester3 hr
Jun 22, 7:30 PM EDTSpecial Marine WarningPHI60 min
Jun 22, 7:40 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Ocean50 min
Jun 22, 4:15 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery45 min
Jun 22, 4:35 PM EDTTornado WarningPHIBerks, Chester, Delaware, Montgomery25 min
Jun 22, 4:56 PM EDTTornado WarningPHIChester, Delaware, Montgomery34 min
Jun 22, 6:02 PM EDTFlash Flood WarningPHIDelaware, Montgomery, Philadelphia4 hr

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 2026Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning 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.