Alert archive / New Jersey / Tornado Warnings in 2025

Tornado Warning 7, NWS Philadelphia/Mount Holly

May 6, 2025Sussex County, Warren County, New Jersey; Monroe County, Pennsylvania

NWS Philadelphia/Mount Holly issued this tornado warning at May 6, 2025, 4:31 PM EDT for Sussex County, Warren County, New Jersey; Monroe County, Pennsylvania. It was in force for 44 min. 1 report 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
May 6, 2025, 4:31 PM EDT (20:31 UTC)
Expired
May 6, 2025, 5:15 PM EDT
In force
44 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

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

The radar

The Philadelphia radar (KDIX), 132 km from the middle of the area, began a volume at 20:34 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
May 6, 4:40 PM EDTTSTM WND DMGJenny Jump State Park, NJA few trees down and wires down. 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
May 6, 1:06 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 178 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 2025-05-06Temperature 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 2025-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 96 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
96 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

080 
WFUS51 KPHI 062031
TORPHI
NJC037-041-PAC089-062115-
/O.NEW.KPHI.TO.W.0007.250506T2031Z-250506T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mount Holly NJ
431 PM EDT Tue May 6 2025

The National Weather Service in Mount Holly NJ has issued a

* Tornado Warning for...
  West central Sussex County in northwestern New Jersey...
  North central Warren County in northwestern New Jersey...
  East central Monroe County in northeastern Pennsylvania...

* Until 515 PM EDT.

* At 431 PM EDT, a severe thunderstorm capable of producing a tornado
  was located over Hope, or 15 miles southwest of Newton, moving
  north at 30 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...
  Flatbrookville, Five Points, Crandon Lakes, Blairstown, Echo Lake,
  Hidden Lake, Werry Lake, Millbrook, Hope, and Great Meadows-Vienna.

This includes Interstate 80 in New Jersey between mile markers 8 and
15.
 
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 4113 7483 4084 7491 4083 7501 4112 7510
      4112 7506 4108 7503 4109 7500 4113 7494
TIME...MOT...LOC 2031Z 179DEG 25KT 4089 7496 

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

$$

Staarmann
2 follow-up statements
295 
WWUS51 KPHI 062041
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
441 PM EDT Tue May 6 2025

NJC037-041-PAC089-062115-
/O.CON.KPHI.TO.W.0007.000000T0000Z-250506T2115Z/
Sussex NJ-Warren NJ-Monroe PA-
441 PM EDT Tue May 6 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR WEST
CENTRAL SUSSEX...NORTH CENTRAL WARREN AND EAST CENTRAL MONROE
COUNTIES...

At 440 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Blairstown, or 12 miles southwest of Newton, moving
north at 30 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.

This dangerous storm will be near...
  Blairstown around 445 PM EDT.
  Millbrook around 450 PM EDT.
  Flatbrookville around 455 PM EDT.
  Crandon Lakes and Five Points around 500 PM EDT.

Other locations impacted by this tornadic thunderstorm include Hidden
Lake.

This includes Interstate 80 in New Jersey between mile markers 8 and
15.
 
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 4113 7483 4090 7491 4089 7503 4112 7510
      4112 7506 4108 7503 4109 7500 4113 7494
TIME...MOT...LOC 2040Z 185DEG 25KT 4096 7495 

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

$$

Staarmann
736 
WWUS51 KPHI 062053
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
453 PM EDT Tue May 6 2025

NJC037-041-PAC089-062115-
/O.CON.KPHI.TO.W.0007.000000T0000Z-250506T2115Z/
Sussex NJ-Warren NJ-Monroe PA-
453 PM EDT Tue May 6 2025

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR WEST
CENTRAL SUSSEX...NORTH CENTRAL WARREN AND EAST CENTRAL MONROE
COUNTIES...

At 453 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Millbrook, or 9 miles west of Newton, moving north
at 30 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.

This dangerous storm will be near...
  Flatbrookville, Five Points, Millbrook, and Crandon Lakes around 
  500 PM EDT.

Other locations impacted by this tornadic thunderstorm include Hidden
Lake.

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 4113 7483 4098 7489 4096 7505 4112 7510
      4112 7506 4108 7503 4109 7500 4113 7494
TIME...MOT...LOC 2053Z 189DEG 26KT 4104 7494 

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

$$

Staarmann

The office that day

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

IssuedProductOfficeCountiesLasted
May 6, 4:18 PM EDTSevere Thunderstorm WarningPHIWarren57 min
May 6, 5:11 PM EDTTornado WarningPHISussex34 min
May 6, 1:08 PM EDTSevere Thunderstorm WarningPHIBerks37 min
May 6, 1:31 PM EDTSevere Thunderstorm WarningPHIChester44 min
May 6, 2:12 PM EDTSevere Thunderstorm WarningPHIBerks, Lehigh48 min
May 6, 2:46 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh59 min
May 6, 3:41 PM EDTSevere Thunderstorm WarningPHIMonroe, Northampton49 min
May 6, 3:57 PM EDTTornado WarningPHIMonroe, Northampton33 min
May 6, 4:19 PM EDTTornado WarningPHIMonroe26 min
May 6, 4:44 PM EDTSevere Thunderstorm WarningPHICarbon, Lehigh, Monroe, Northampton46 min

Nearby

Tornado Warnings in New Jersey, 2025Tornado 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.