Alert archive / New Jersey / Frost Advisories in 2025
Frost Advisory 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 26, 2025, 2:50 PM EDT for 4 states. It took effect at Oct 27, 2025, 1:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 26, 2025, 2:50 PM EDT (18:50 UTC)
- In effect from
- Oct 27, 2025, 1:00 AM EDT
- Expired
- Oct 27, 2025, 9:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 22 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, Burlington County, NJ, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Bucks County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 76 km from the middle of the area, began a volume at 18:49 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 12:00Z, 6.8 hours before the alert went out and 205 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1501 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
955 WWUS71 KPHI 261850 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 250 PM EDT Sun Oct 26 2025 NJZ012-013-015-271300- /O.NEW.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Middlesex-Western Monmouth-Mercer- Including the cities of Trenton, Freehold, and New Brunswick 250 PM EDT Sun Oct 26 2025 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mercer, Western Monmouth, and Middlesex Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * 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. && $$ NJZ016>023-027-271300- /O.NEW.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington- Including the cities of Mount Holly, Pennsville, Hammonton, Millville, Cape May Court House, Glassboro, Moorestown, Wharton State Forest, Cherry Hill, Jackson, and Camden 250 PM EDT Sun Oct 26 2025 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Atlantic, Camden, Cape May, Cumberland, Gloucester, Northwestern Burlington, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ PAZ070-071-104-106-271300- /O.NEW.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Delaware-Philadelphia-Eastern Montgomery-Lower Bucks- Including the cities of Morrisville, Norristown, Media, Philadelphia, Lansdale, and Doylestown 250 PM EDT Sun Oct 26 2025 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * 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. && $$ MJL
2 follow-up statements
109 WWUS71 KPHI 262141 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 541 PM EDT Sun Oct 26 2025 DEZ001>003-MDZ012-015-019-020-271045- /O.EXA.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Easton, Centreville, Wilmington, Denton, Dover, Chestertown, and Georgetown 541 PM EDT Sun Oct 26 2025 ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 35 degrees will result in frost formation. * WHERE...In Delaware, Kent, New Castle, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ012-013-015-271045- /O.CON.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Middlesex-Western Monmouth-Mercer- Including the cities of Freehold, New Brunswick, and Trenton 541 PM EDT Sun Oct 26 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Mercer, Western Monmouth, and Middlesex Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * 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. && $$ NJZ016>023-027-271045- /O.CON.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington- Including the cities of Millville, Cherry Hill, Camden, Hammonton, Cape May Court House, Moorestown, Pennsville, Jackson, Wharton State Forest, Glassboro, and Mount Holly 541 PM EDT Sun Oct 26 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Atlantic, Camden, Cape May, Cumberland, Gloucester, Northwestern Burlington, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ PAZ070-071-104-106-271045- /O.CON.KPHI.FR.Y.0007.251027T0500Z-251027T1300Z/ Delaware-Philadelphia-Eastern Montgomery-Lower Bucks- Including the cities of Philadelphia, Lansdale, Doylestown, Norristown, Media, and Morrisville 541 PM EDT Sun Oct 26 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...From 1 AM to 9 AM EDT Monday. * 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. && $$ AKL
865 WWUS71 KPHI 270503 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 103 AM EDT Mon Oct 27 2025 DEZ001>003-MDZ012-015-019-020-271300- /O.CON.KPHI.FR.Y.0007.000000T0000Z-251027T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Dover, Georgetown, Wilmington, Denton, Easton, Chestertown, and Centreville 103 AM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In Delaware, Kent, New Castle, and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ012-013-015-271300- /O.CON.KPHI.FR.Y.0007.000000T0000Z-251027T1300Z/ Middlesex-Western Monmouth-Mercer- Including the cities of New Brunswick, Trenton, and Freehold 103 AM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mercer, Western Monmouth, and Middlesex Counties. * WHEN...Until 9 AM EDT this morning. * 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. && $$ NJZ016>023-027-271300- /O.CON.KPHI.FR.Y.0007.000000T0000Z-251027T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington- Including the cities of Jackson, Wharton State Forest, Moorestown, Glassboro, Camden, Pennsville, Cape May Court House, Cherry Hill, Mount Holly, Hammonton, and Millville 103 AM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Atlantic, Camden, Cape May, Cumberland, Gloucester, Northwestern Burlington, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ PAZ070-071-104-106-271300- /O.CON.KPHI.FR.Y.0007.000000T0000Z-251027T1300Z/ Delaware-Philadelphia-Eastern Montgomery-Lower Bucks- Including the cities of Norristown, Philadelphia, Lansdale, Media, Doylestown, and Morrisville 103 AM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Delaware, Eastern Montgomery, Lower Bucks, and Philadelphia Counties. * WHEN...Until 9 AM EDT this morning. * 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. && $$ Fitzsimmons
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 26, 3:00 PM EDT | Gale Watch | PHI | 23 hr |
Nearby
Frost Advisories in New Jersey, 2025Frost Advisories in Maryland, 2025Frost Advisories in Pennsylvania, 2025Every frost advisory 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.