Alert archive / New Jersey / Frost Advisories in 2025
Frost Advisory 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 27, 2025, 2:40 PM EDT for 4 states. It took effect at Oct 28, 2025, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 27, 2025, 2:40 PM EDT (18:40 UTC)
- In effect from
- Oct 28, 2025, 2:00 AM EDT
- Expired
- Oct 28, 2025, 9:00 AM EDT
- 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, 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
The radar
The Philadelphia radar (KDIX), 78 km from the middle of the area, began a volume at 18:38 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, 6.7 hours before the alert went out and 204 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
- 1386 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
457 WWUS71 KPHI 271840 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 240 PM EDT Mon Oct 27 2025 DEZ001>003-MDZ012-015-019-020-281300- /O.NEW.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Dover, Wilmington, Chestertown, Easton, Denton, Georgetown, and Centreville 240 PM EDT Mon Oct 27 2025 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 36 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 2 AM to 9 AM EDT Tuesday. * 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. && $$ NJZ012-013-015-016-020>023-027-281300- /O.NEW.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Ocean-Cumberland-Atlantic- Cape May-Southeastern Burlington- Including the cities of Pennsville, Jackson, Wharton State Forest, Trenton, Freehold, Cape May Court House, New Brunswick, Hammonton, and Millville 240 PM EDT Mon Oct 27 2025 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Mercer, Western Monmouth, Middlesex, Atlantic, Cape May, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ017>019-PAZ070-106-281300- /O.NEW.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Gloucester-Camden-Northwestern Burlington-Delaware-Lower Bucks- Including the cities of Moorestown, Glassboro, Media, Cherry Hill, Mount Holly, Camden, Morrisville, and Doylestown 240 PM EDT Mon Oct 27 2025 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware and Lower Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * 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. && $$ MJL
4 follow-up statements
818 WWUS71 KPHI 272017 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 417 PM EDT Mon Oct 27 2025 DEZ001>003-MDZ019-020-NJZ023-272130- /O.CAN.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ New Castle-Kent-Inland Sussex-Talbot-Caroline-Cape May- Including the cities of Cape May Court House, Wilmington, Dover, Denton, Georgetown, and Easton 417 PM EDT Mon Oct 27 2025 ...FROST ADVISORY IS CANCELLED... Latest guidance indicates temperatures and winds will prevent widespread frost formation tonight, so the frost advisory has been cancelled. $$ MDZ012-015-280930- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Kent MD-Queen Annes- Including the cities of Centreville and Chestertown 417 PM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Kent MD and Queen Annes Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * 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. && $$ NJZ012-013-015-016-020>022-027-280930- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Ocean-Cumberland-Atlantic- Southeastern Burlington- Including the cities of Millville, New Brunswick, Jackson, Freehold, Trenton, Wharton State Forest, Hammonton, and Pennsville 417 PM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Mercer, Western Monmouth, Middlesex, Atlantic, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ017>019-PAZ070-106-280930- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Gloucester-Camden-Northwestern Burlington-Delaware-Lower Bucks- Including the cities of Moorestown, Mount Holly, Doylestown, Camden, Cherry Hill, Media, Glassboro, and Morrisville 417 PM EDT Mon Oct 27 2025 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware and Lower Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * 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. && $$ RCM
373 WWUS71 KPHI 280512 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 112 AM EDT Tue Oct 28 2025 MDZ012-015-281300- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Kent MD-Queen Annes- Including the cities of Chestertown and Centreville 112 AM EDT Tue Oct 28 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Kent MD and Queen Annes Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ012-013-015-016-020>022-027-281300- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Ocean-Cumberland-Atlantic- Southeastern Burlington- Including the cities of Wharton State Forest, Hammonton, New Brunswick, Trenton, Freehold, Jackson, Millville, and Pennsville 112 AM EDT Tue Oct 28 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, Middlesex, Atlantic, Cumberland, 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. && $$ NJZ017>019-PAZ070-106-281300- /O.CON.KPHI.FR.Y.0008.251028T0600Z-251028T1300Z/ Gloucester-Camden-Northwestern Burlington-Delaware-Lower Bucks- Including the cities of Moorestown, Mount Holly, Camden, Morrisville, Doylestown, Media, Cherry Hill, and Glassboro 112 AM EDT Tue Oct 28 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware and Lower Bucks Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Fitzsimmons
623 WWUS71 KPHI 280820 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 420 AM EDT Tue Oct 28 2025 MDZ012-015-280930- /O.CAN.KPHI.FR.Y.0008.000000T0000Z-251028T1300Z/ Kent MD-Queen Annes- Including the cities of Chestertown and Centreville 420 AM EDT Tue Oct 28 2025 ...FROST ADVISORY IS CANCELLED... Temperatures are generally in the low 40s at this hour and are not expected to get cold enough for frost. $$ NJZ012-013-015-016-020>022-027-281300- /O.CON.KPHI.FR.Y.0008.000000T0000Z-251028T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Ocean-Cumberland-Atlantic- Southeastern Burlington- Including the cities of Wharton State Forest, Hammonton, New Brunswick, Trenton, Freehold, Jackson, Millville, and Pennsville 420 AM EDT Tue Oct 28 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Mercer, Western Monmouth, Middlesex, Atlantic, Cumberland, Ocean, Salem, and Southeastern Burlington Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ017>019-PAZ070-106-281300- /O.CON.KPHI.FR.Y.0008.000000T0000Z-251028T1300Z/ Gloucester-Camden-Northwestern Burlington-Delaware-Lower Bucks- Including the cities of Moorestown, Mount Holly, Camden, Morrisville, Doylestown, Media, Cherry Hill, and Glassboro 420 AM EDT Tue Oct 28 2025 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware and Lower Bucks 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. && $$ Fitzsimmons
643 WWUS71 KPHI 281256 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 856 AM EDT Tue Oct 28 2025 NJZ012-013-015>022-027-PAZ070-106-281400- /O.EXP.KPHI.FR.Y.0008.000000T0000Z-251028T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Southeastern Burlington-Delaware-Lower Bucks- Including the cities of Media, Moorestown, New Brunswick, Millville, Morrisville, Wharton State Forest, Hammonton, Doylestown, Pennsville, Freehold, Trenton, Camden, Jackson, Mount Holly, Cherry Hill, and Glassboro 856 AM EDT Tue Oct 28 2025 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... The threat has ended. $$ MJL
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 27, 2:14 AM EDT | Small Craft Advisory | PHI | 64 hr | |
| Oct 27, 2:21 PM EDT | Gale Warning | PHI | 35 hr |
Nearby
Frost Advisories in New Jersey, 2025Frost Advisories in Maryland, 2025Frost Advisories in Delaware, 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.