Alert archive / New Jersey / Freeze Warnings in 2025

Freeze Warning 3, NWS Philadelphia/Mount Holly

November 6, 2025Kent County, New Castle County, Sussex County, Delaware; 4 counties in Maryland; 6 counties in New Jersey

NWS Philadelphia/Mount Holly issued this freeze warning at Nov 6, 2025, 11:54 PM EST for Kent County, New Castle County, Sussex County, Delaware; 4 counties in Maryland; 6 counties in New Jersey. It took effect at Nov 7, 2025, 1:00 AM EST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 6, 2025, 11:54 PM EST (04:54 UTC)
In effect from
Nov 7, 2025, 1:00 AM EST
Expired
Nov 7, 2025, 8:00 AM EST
In force
7 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ

The radar

The Dover AFB radar (KDOX), 47 km from the middle of the area, began a volume at 04:53 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 nearest sounding before it

Washington/Dulle, VA (KIAD), launched 00:00Z, 4.9 hours before the alert went out and 172 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 00:00Z on 2025-11-07Temperature 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 00:00Z on 2025-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
2570 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

895 
WWUS71 KPHI 070454
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
1154 PM EST Thu Nov 6 2025

DEZ001>003-MDZ012-015-019-020-NJZ016>018-021>023-071300-
/O.UPG.KPHI.FR.Y.0010.251107T0600Z-251107T1300Z/
/O.NEW.KPHI.FZ.W.0003.251107T0600Z-251107T1300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Salem-Gloucester-Camden-Cumberland-Atlantic-Cape May-
Including the cities of Cape May Court House, Hammonton,
Glassboro, Easton, Georgetown, Centreville, Chestertown,
Pennsville, Camden, Cherry Hill, Dover, Denton, Wilmington, and
Millville
1154 PM EST Thu Nov 6 2025

...FREEZE WARNING IN EFFECT UNTIL 8 AM EST FRIDAY...

* WHAT...Sub-freezing temperatures as low as 30 expected.

* WHERE...Portions of central, northern, and southern Delaware, 
  northeast Maryland, and southern New Jersey.

* WHEN...Until 8 AM EST Friday.

* IMPACTS...Frost and freeze conditions could kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

PAZ070-071-071300-
/O.CON.KPHI.FR.Y.0010.251107T0600Z-251107T1300Z/
Delaware-Philadelphia-
Including the cities of Media and Philadelphia
1154 PM EST Thu Nov 6 2025

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST FRIDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Delaware and Philadelphia Counties.

* WHEN...Until 8 AM EST Friday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

RCM
1 follow-up statement
640 
WWUS71 KPHI 071246
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
746 AM EST Fri Nov 7 2025

DEZ001>003-MDZ012-015-019-020-NJZ016>018-021>023-071400-
/O.EXP.KPHI.FZ.W.0003.000000T0000Z-251107T1300Z/
New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline-
Salem-Gloucester-Camden-Cumberland-Atlantic-Cape May-
Including the cities of Millville, Easton, Pennsville, Cape May
Court House, Hammonton, Glassboro, Camden, Cherry Hill,
Georgetown, Dover, Chestertown, Centreville, Denton, and
Wilmington
746 AM EST Fri Nov 7 2025

...FREEZE WARNING WILL EXPIRE AT 8 AM EST THIS MORNING...

Temperatures are rising this morning above freezing. Thus, the 
Freeze Warning will expire. The growing season has ended with 
temperatures falling below freezing, and no further frost or freeze 
products will be issued for 2025.

$$

PAZ070-071-071400-
/O.EXP.KPHI.FR.Y.0010.000000T0000Z-251107T1300Z/
Delaware-Philadelphia-
Including the cities of Philadelphia and Media
746 AM EST Fri Nov 7 2025

...FROST ADVISORY WILL EXPIRE AT 8 AM EST THIS MORNING...

Temperatures are rising this morning. Thus, the Frost Advisory will 
expire. The growing season has ended with temperatures falling below 
freezing outside of the city, and no further frost or freeze 
products will be issued for 2025.

$$

Hoeflich

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 9:47 PM ESTSmall Craft AdvisoryPHI39 hr

Nearby

Freeze Warnings in New Jersey, 2025Freeze Warnings in Maryland, 2025Freeze Warnings in Delaware, 2025Every freeze warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.