Alert archive / Pennsylvania / Tornado Warnings in 2026

Tornado Warning 17, NWS Philadelphia/Mount Holly

July 28, 2026Monroe County, Northampton County, Pennsylvania; Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this tornado warning at Jul 28, 2026, 1:49 PM EDT for Monroe County, Northampton County, Pennsylvania; Sussex County, Warren County, New Jersey. It was in force for 26 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 28, 2026, 1:49 PM EDT (17:49 UTC)
Expired
Jul 28, 2026, 2:15 PM EDT
In force
26 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Sussex County, NJ, Warren County, NJ, Monroe County, PA, Northampton County, PA

The radar

The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 17:51 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 28, 12:51 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 5.8 hours before the alert went out and 181 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 2026-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1266 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 2026-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.1939Sfc1 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
1266 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
63 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

229 
WFUS51 KPHI 281749
TORPHI
NJC037-041-PAC089-095-281815-
/O.NEW.KPHI.TO.W.0017.260728T1749Z-260728T1815Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
149 PM EDT Tue Jul 28 2026

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  Southwestern Sussex County in northwestern New Jersey...
  Northern Warren County in northwestern New Jersey...
  East central Monroe County in northeastern Pennsylvania...
  Northeastern Northampton County in eastern Pennsylvania...

* Until 215 PM EDT.

* At 149 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Columbia, or 17 miles southwest of Newton, moving
  northeast at 40 mph.

  HAZARD...Tornado.

  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...
  Newton, East Stroudsburg, Blairstown, Belvidere, Oxford, Hope,
  Andover, Flatbrookville, Allamuchy-Panther Valley, Lake Mohawk,
  Werry Lake, Greendell, Millbrook, Delaware Water Gap, Five Points,
  Columbia, Echo Lake, Great Meadows-Vienna, Stroudsburg, and
  Portland.

This includes the following highways...
 Interstate 80 in Pennsylvania between mile markers 312 and 314.
 Interstate 80 in New Jersey between mile markers 0 and 20.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4108 7503 4112 7494 4105 7458 4079 7503
      4092 7520 4114 7513 4114 7509
TIME...MOT...LOC 1749Z 226DEG 33KT 4092 7504 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

MJL
2 follow-up statements
155 
WWUS51 KPHI 281802
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
202 PM EDT Tue Jul 28 2026

PAC095-281811-
/O.CAN.KPHI.TO.W.0017.000000T0000Z-260728T1815Z/
Northampton PA-
202 PM EDT Tue Jul 28 2026

...THE TORNADO WARNING FOR NORTHEASTERN NORTHAMPTON 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 800 PM EDT for
northwestern New Jersey...and eastern and northeastern Pennsylvania.

LAT...LON 4114 7509 4108 7503 4112 7494 4105 7458
      4084 7495 4097 7514 4114 7513
TIME...MOT...LOC 1801Z 226DEG 33KT 4100 7493 

$$

NJC037-041-PAC089-281815-
/O.CON.KPHI.TO.W.0017.000000T0000Z-260728T1815Z/
Sussex NJ-Warren NJ-Monroe PA-
202 PM EDT Tue Jul 28 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM EDT FOR
SOUTHWESTERN SUSSEX...NORTHERN WARREN AND EAST CENTRAL MONROE
COUNTIES...

At 201 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Blairstown, or 9 miles west of Newton, moving
northeast at 40 mph.

HAZARD...Tornado.

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...
Newton, Blairstown, Hope, Delaware Water Gap, Andover,
Flatbrookville, Allamuchy-Panther Valley, Lake Mohawk, Werry Lake,
Greendell, Millbrook, Five Points, Echo Lake, Great Meadows-Vienna,
Shawnee, Marshalls Creek, and Hidden Lake.

This includes Interstate 80 in New Jersey between mile markers 0 and
2, and between mile markers 6 and 19.
 
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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. 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 4114 7509 4108 7503 4112 7494 4105 7458
      4084 7495 4097 7514 4114 7513
TIME...MOT...LOC 1801Z 226DEG 33KT 4100 7493 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

MJL
846 
WWUS51 KPHI 281810
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
210 PM EDT Tue Jul 28 2026

NJC037-041-PAC089-281820-
/O.EXP.KPHI.TO.W.0017.000000T0000Z-260728T1815Z/
Sussex NJ-Warren NJ-Monroe PA-
210 PM EDT Tue Jul 28 2026

...THE TORNADO WARNING FOR SOUTHWESTERN SUSSEX...NORTHERN WARREN AND
EAST CENTRAL MONROE COUNTIES WILL EXPIRE AT 215 PM EDT...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However heavy rain is still possible with this
thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northwestern New Jersey...and eastern and northeastern Pennsylvania.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4114 7509 4108 7503 4112 7494 4105 7458
      4084 7495 4097 7514 4114 7513
TIME...MOT...LOC 1810Z 226DEG 33KT 4105 7486 

$$

MJL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 8:01 PM EDTSevere Thunderstorm WarningPHIChester23 min
Jul 28, 1:02 PM EDTFlash Flood WarningPHILehigh, Monroe, Northampton4 hr
Jul 28, 1:22 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton38 min
Jul 28, 1:31 PM EDTSevere Thunderstorm WarningPHINorthampton44 min
Jul 28, 2:15 PM EDTSevere Thunderstorm WarningPHINorthampton45 min
Jul 28, 5:08 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton15 min
Jul 28, 5:22 PM EDTSevere Thunderstorm WarningPHIBucks34 min
Jul 28, 5:29 PM EDTSevere Thunderstorm WarningPHIChester61 min
Jul 28, 5:47 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton43 min
Jul 28, 5:55 PM EDTFlash Flood WarningPHIBerks3 hr
Jul 28, 6:16 PM EDTTornado WarningPHIChester29 min
Jul 28, 6:17 PM EDTFlash Flood WarningPHIBucks, Lehigh, Northampton6 hr
Jul 28, 6:23 PM EDTSevere Thunderstorm WarningPHIChester, Delaware67 min
Jul 28, 6:46 PM EDTTornado WarningPHIDelaware29 min
Jul 28, 6:56 PM EDTFlash Flood WarningPHIBucks, Lehigh, Northampton5 hr
Jul 28, 7:06 PM EDTSevere Thunderstorm WarningPHIChester, Delaware, Montgomery, Philadelphia54 min
Jul 28, 7:08 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Montgomery35 min
Jul 28, 7:11 PM EDTFlash Flood WarningPHIDelaware, Philadelphia3 hr
Jul 28, 7:24 PM EDTFlash Flood WarningPHIChester4 hr
Jul 28, 7:31 PM EDTSevere Thunderstorm WarningPHIBucks, Northampton44 min
Jul 28, 7:55 PM EDTFlash Flood WarningPHIBucks, Montgomery4 hr
Jul 28, 2:04 PM EDTFlash Flood WarningPHIWarren10 hr
Jul 28, 2:11 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Somerset4 hr
Jul 28, 2:45 PM EDTFlash Flood WarningPHIHunterdon, Morris, Warren9 hr
Jul 28, 2:56 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex49 min
Jul 28, 3:04 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Monmouth41 min
Jul 28, 3:43 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren23 min
Jul 28, 4:02 PM EDTFlash Flood WarningPHIMiddlesex2 hr
Jul 28, 6:10 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 6:16 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset25 min
Jul 28, 6:55 PM EDTSevere Thunderstorm WarningPHICumberland, Gloucester, Salem50 min
Jul 28, 7:23 PM EDTSpecial Marine WarningPHI2 hr
Jul 28, 7:37 PM EDTSevere Thunderstorm WarningPHIAtlantic, Cape May, Cumberland, Salem23 min

Nearby

Tornado Warnings in Pennsylvania, 2026Tornado Warnings in New Jersey, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.