Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 129, NWS Philadelphia/Mount Holly

July 4, 2026Carbon County, Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 4, 2026, 7:09 PM EDT for Carbon County, Monroe County, Pennsylvania. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 4, 2026, 7:09 PM EDT (23:09 UTC)
Expired
Jul 4, 2026, 7:50 PM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carbon County, PA, Monroe County, PA

The radar

The Binghamton radar (KBGM), 143 km from the middle of the area, began a volume at 23:11 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 4, 3:28 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.2 hours before the alert went out and 218 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 2026-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 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 2026-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
392 J/kg
Mixed-layer CIN
-206 J/kg
Mixed-layer LCL
1531 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

215 
WUUS51 KPHI 042309
SVRPHI
PAC025-089-050015-
/O.NEW.KPHI.SV.W.0129.260704T2309Z-260705T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
709 PM EDT Sat Jul 4 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Carbon County in northeastern Pennsylvania...
  Southern Monroe County in northeastern Pennsylvania...

* Until 815 PM EDT.

* At 708 PM EDT, a severe thunderstorm was located over Drums, or
  near Hazleton, moving southeast 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...
  Lehighton, Mount Pocono, East Stroudsburg, Palmerton, Jim Thorpe,
  Nesquehoning, Weatherly, Stormville, Pocono Pines, Lake Harmony,
  Tannersville, Long Pond, Kresgeville, Sun Valley, Reeders,
  Beltzville State Park, Saylorsburg, McMichael, Blakeslee, and Penn
  Forest Reservoir.

This includes the following highways...
 Northeast Extension between mile markers 72 and 97.
 Interstate 80 in Pennsylvania between mile markers 277 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 1.
 Interstate 380 in Pennsylvania between mile markers 0 and 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

In addition to damaging winds, frequent cloud to ground lightning is 
occurring with this storm. Move indoors immediately. Remember, if 
you can hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4102 7508 4099 7513 4098 7513 4097 7512
      4093 7522 4090 7523 4086 7530 4083 7538
      4078 7567 4073 7576 4091 7599 4101 7573
      4105 7577 4109 7577 4113 7569 4112 7564
      4118 7558
TIME...MOT...LOC 2308Z 292DEG 27KT 4101 7599 

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

$$

Gorse
3 follow-up statements
940 
WWUS51 KPHI 042322
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
722 PM EDT Sat Jul 4 2026

PAC025-089-050015-
/O.CON.KPHI.SV.W.0129.000000T0000Z-260705T0015Z/
Carbon PA-Monroe PA-
722 PM EDT Sat Jul 4 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR CARBON AND SOUTHERN MONROE COUNTIES...

At 722 PM EDT, severe thunderstorms were located along a line
extending from Arrowhead Lake to near Albrightsville to near Mcadoo,
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...
Lehighton, Mount Pocono, East Stroudsburg, Palmerton, Jim Thorpe,
Nesquehoning, Weatherly, Stormville, Pocono Pines, Lake Harmony,
Tannersville, Long Pond, Kresgeville, Sun Valley, Reeders, Beltzville
State Park, Saylorsburg, McMichael, Blakeslee, and Penn Forest
Reservoir.

This includes the following highways...
 Northeast Extension between mile markers 72 and 97.
 Interstate 80 in Pennsylvania between mile markers 277 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 1.
 Interstate 380 in Pennsylvania between mile markers 0 and 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 4102 7508 4099 7513 4098 7513 4097 7512
      4093 7522 4090 7523 4086 7530 4083 7538
      4078 7567 4073 7576 4091 7599 4095 7585
      4101 7573 4105 7577 4109 7577 4113 7569
      4112 7564 4118 7558
TIME...MOT...LOC 2322Z 276DEG 31KT 4114 7555 4104 7564 4092 7602 

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

$$

Gorse
539 
WWUS51 KPHI 042337
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
737 PM EDT Sat Jul 4 2026

PAC025-089-050015-
/O.CON.KPHI.SV.W.0129.000000T0000Z-260705T0015Z/
Carbon PA-Monroe PA-
737 PM EDT Sat Jul 4 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM EDT
FOR CARBON AND CENTRAL MONROE COUNTIES...

At 737 PM EDT, severe thunderstorms were located along a line
extending from near Mount Pocono to Sun Valley to Nesquehoning,
moving east at 40 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Lehighton, Mount Pocono, East Stroudsburg, Palmerton, Jim Thorpe,
Weatherly, Stormville, Brodheadsville, Kunkletown, Pocono Pines,
Gilbert, Pocono Raceway, Lake Harmony, Delaware Water Gap,
Tannersville, Rossland, Long Pond, Albrightsville, Kresgeville, and
Sun Valley.

This includes the following highways...
 Northeast Extension between mile markers 72 and 92.
 Interstate 80 in Pennsylvania between mile markers 287 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 1.
 Interstate 380 in Pennsylvania between mile markers 0 and 3.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4102 7508 4099 7513 4098 7513 4097 7512
      4093 7522 4090 7523 4086 7530 4083 7538
      4078 7567 4094 7590 4095 7585 4101 7573
      4102 7574 4114 7546
TIME...MOT...LOC 2337Z 290DEG 33KT 4109 7535 4099 7544 4087 7582 

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

$$

Gorse
690 
WWUS51 KPHI 042350 RRA
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
750 PM EDT Sat Jul 4 2026

PAC025-089-050000-
/O.CAN.KPHI.SV.W.0129.000000T0000Z-260705T0015Z/
Carbon PA-Monroe PA-
750 PM EDT Sat Jul 4 2026

...THE SEVERE THUNDERSTORM WARNING FOR CARBON AND CENTRAL MONROE
COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northwestern New Jersey...and eastern and northeastern Pennsylvania.

LAT...LON 4102 7508 4099 7513 4098 7513 4097 7512
      4093 7522 4090 7523 4086 7530 4083 7538
      4078 7567 4094 7590 4095 7585 4101 7573
      4102 7574 4114 7546
TIME...MOT...LOC 2349Z 292DEG 27KT 4105 7524 4096 7533 4084 7571 

$$

Gorse

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 8:15 PM EDTSevere Thunderstorm WarningPHIBucks, Philadelphia45 min
Jul 3, 8:21 PM EDTSevere Thunderstorm WarningPHIBucks54 min
Jul 4, 6:04 PM EDTSevere Thunderstorm WarningPHIMonroe41 min
Jul 4, 6:37 PM EDTSevere Thunderstorm WarningPHIMonroe68 min
Jul 4, 7:44 PM EDTSevere Thunderstorm WarningPHIBerks, Chester61 min

Nearby

Severe Thunderstorm Warnings in Pennsylvania, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.