Alert archive / New Jersey / Freeze Warnings in 2026
Freeze Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Apr 20, 2026, 2:25 AM EDT for 4 states. It took effect at Apr 20, 2026, 10:00 PM EDT. It was in force for 11 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
- Apr 20, 2026, 2:25 AM EDT (06:25 UTC)
- In effect from
- Apr 20, 2026, 10:00 PM EDT
- Expired
- Apr 21, 2026, 9:02 AM EDT
- In force
- 11 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 33 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, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 67 km from the middle of the area, began a volume at 06:25 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
Brookhaven, NY (KOKX), launched 00:00Z, 6.4 hours before the alert went out and 220 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
- 892 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- -337 m²/s²
- 0-3 km storm-relative helicity
- -374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
575 WWUS71 KPHI 200625 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 225 AM EDT Mon Apr 20 2026 NJZ001-PAZ054-055-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ /O.CON.KPHI.FZ.W.0003.000000T0000Z-260420T1400Z/ Sussex-Carbon-Monroe- Including the cities of Jim Thorpe, Newton, and Stroudsburg 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 26. For the second Freeze Warning, sub-freezing temperatures as low as 22 expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...For the first Freeze Warning, until 10 AM EDT this morning. For the second Freeze Warning, from midnight tonight to 9 AM EDT Tuesday. * 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. && $$ NJZ007>010-PAZ062-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ /O.CON.KPHI.FR.Y.0002.000000T0000Z-260420T1200Z/ Warren-Morris-Hunterdon-Somerset-Northampton- Including the cities of Easton, Morristown, Washington, Bethlehem, Flemington, and Somerville 225 AM EDT Mon Apr 20 2026 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...For the Frost Advisory, temperatures as low as 33 will result in frost formation. For the Freeze Warning, sub-freezing temperatures as low as 26 expected. * WHERE...In New Jersey, Morris, Somerset, Warren, and Hunterdon Counties. In Pennsylvania, Northampton County. * WHEN...For the Frost Advisory, until 8 AM EDT this morning. For the Freeze Warning, from midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001-PAZ070-071-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Philadelphia, and Wilmington 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * 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. && $$ DEZ002-003-MDZ012-015-019-020-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Georgetown, Chestertown, Easton, Denton, Dover, and Centreville 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ012-013-015>023-027-PAZ060-061-101>106-202000- /O.UPG.KPHI.FZ.A.0003.260421T0400Z-260421T1300Z/ /O.NEW.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Berks-Lehigh-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Perkasie, Oxford, West Chester, Hammonton, Wharton State Forest, Lansdale, Mount Holly, Millville, Jackson, Doylestown, Honey Brook, Cape May Court House, Allentown, Camden, Glassboro, Kennett Square, Cherry Hill, Morrisville, Trenton, Chalfont, Pennsville, Moorestown, Pottstown, Collegeville, Freehold, New Brunswick, Reading, and Norristown 225 AM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Portions of central, northern, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * 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. && $$ Guzzo
4 follow-up statements
658 WWUS71 KPHI 201417 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1017 AM EDT Mon Apr 20 2026 NJZ001-PAZ054-055-210400- /O.EXP.KPHI.FZ.W.0003.000000T0000Z-260420T1400Z/ /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 1017 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... ...FREEZE WARNING HAS EXPIRED... * WHAT...Sub-freezing temperatures as low as 22 degrees expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001-PAZ070-071-210400- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Wilmington, and Philadelphia 1017 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 degrees expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * 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. && $$ DEZ002-003-MDZ012-015-019-020-210400- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Centreville, Easton, Georgetown, Chestertown, Dover, and Denton 1017 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 29 degrees expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ007>010-012-013-015>023-027-PAZ060>062-101>106-210400- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Easton, Lansdale, New Brunswick, Kennett Square, Flemington, Hammonton, Oxford, Mount Holly, Pennsville, Freehold, Chalfont, Glassboro, Honey Brook, Reading, Millville, Morrisville, Cape May Court House, Camden, Bethlehem, Norristown, Perkasie, Trenton, Somerville, Cherry Hill, Moorestown, West Chester, Doylestown, Washington, Jackson, Morristown, Wharton State Forest, Pottstown, Allentown, and Collegeville 1017 AM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 26 degrees expected. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * 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. && $$ DeSilva
523 WWUS71 KPHI 201830 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 230 PM EDT Mon Apr 20 2026 NJZ014-210900- /O.EXA.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Eastern Monmouth- Including the cities of Sandy Hook 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 30 degrees expected. * WHERE...Eastern Monmouth County. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ001-PAZ054-055-210900- /O.EXT.KPHI.FZ.W.0004.260421T0200Z-260421T1400Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 10 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 20 degrees expected. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...From 10 PM this evening to 10 AM EDT Tuesday. * 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. && $$ DEZ002-003-MDZ012-015-019-020-210900- /O.EXT.KPHI.FZ.W.0004.260421T0600Z-260421T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Centreville, Easton, Georgetown, Chestertown, Dover, and Denton 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING NOW IN EFFECT FROM 2 AM TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 28 degrees expected. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...From 2 AM to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001-PAZ070-071-210900- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Wilmington, and Philadelphia 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 27 degrees expected. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * 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. && $$ NJZ007>010-012-013-015>023-027-PAZ060>062-101>106-210900- /O.CON.KPHI.FZ.W.0004.260421T0400Z-260421T1300Z/ Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Easton, Lansdale, New Brunswick, Kennett Square, Flemington, Hammonton, Oxford, Mount Holly, Pennsville, Freehold, Chalfont, Glassboro, Honey Brook, Reading, Millville, Morrisville, Cape May Court House, Camden, Bethlehem, Norristown, Perkasie, Trenton, Somerville, Cherry Hill, Moorestown, West Chester, Doylestown, Washington, Jackson, Morristown, Wharton State Forest, Pottstown, Allentown, and Collegeville 230 PM EDT Mon Apr 20 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 24 degrees expected. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DeSilva
211 WWUS71 KPHI 210638 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 238 AM EDT Tue Apr 21 2026 DEZ001-PAZ070-071-211300- /O.CON.KPHI.FZ.W.0004.000000T0000Z-260421T1300Z/ New Castle-Delaware-Philadelphia- Including the cities of Media, Philadelphia, and Wilmington 238 AM EDT Tue Apr 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 24. * WHERE...In Delaware, New Castle County. In Pennsylvania, Delaware and Philadelphia Counties. * WHEN...Until 9 AM EDT this morning. * 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. && $$ DEZ002-003-MDZ012-015-019-020-211300- /O.CON.KPHI.FZ.W.0004.000000T0000Z-260421T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Including the cities of Easton, Centreville, Dover, Chestertown, Denton, and Georgetown 238 AM EDT Tue Apr 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 25. * WHERE...In Delaware, Kent and Inland Sussex Counties. In Maryland, Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ001-PAZ054-055-211400- /O.CON.KPHI.FZ.W.0004.000000T0000Z-260421T1400Z/ Sussex-Carbon-Monroe- Including the cities of Jim Thorpe, Stroudsburg, and Newton 238 AM EDT Tue Apr 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 18. * WHERE...In New Jersey, Sussex County. In Pennsylvania, Carbon and Monroe Counties. * WHEN...Until 10 AM EDT this morning. * 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. && $$ NJZ007>010-012>023-027-PAZ060>062-101>106-211300- /O.CON.KPHI.FZ.W.0004.000000T0000Z-260421T1300Z/ Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh-Northampton-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Glassboro, Moorestown, Wharton State Forest, Kennett Square, Pennsville, Reading, Chalfont, Doylestown, Honey Brook, Cape May Court House, Somerville, Millville, Jackson, Perkasie, Pottstown, Oxford, Easton, Washington, Bethlehem, Hammonton, Collegeville, Lansdale, Freehold, Camden, Mount Holly, Norristown, Flemington, Cherry Hill, Allentown, New Brunswick, Trenton, Morrisville, Sandy Hook, West Chester, and Morristown 238 AM EDT Tue Apr 21 2026 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 22. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central and southeast Pennsylvania. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Guzzo
005 WWUS71 KPHI 211302 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 902 AM EDT Tue Apr 21 2026 NJZ001-PAZ054-055-211415- /O.CAN.KPHI.FZ.W.0004.000000T0000Z-260421T1400Z/ Sussex-Carbon-Monroe- Including the cities of Jim Thorpe, Newton, and Stroudsburg 902 AM EDT Tue Apr 21 2026 ...FREEZE WARNING IS CANCELLED... Temperatures have mainly risen above freezing, thus the threat has ended. $$ DEZ001>003-MDZ012-015-019-020-NJZ007>010-012>023-027-PAZ060>062-070- 071-101>106-211415- /O.EXP.KPHI.FZ.W.0004.000000T0000Z-260421T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Eastern Monmouth-Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh-Northampton-Delaware-Philadelphia-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery- Upper Bucks-Lower Bucks- Including the cities of New Brunswick, Sandy Hook, West Chester, Hammonton, Doylestown, Reading, Georgetown, Pennsville, Allentown, Pottstown, Norristown, Glassboro, Wharton State Forest, Chestertown, Camden, Mount Holly, Somerville, Easton, Trenton, Morristown, Dover, Kennett Square, Washington, Jackson, Honey Brook, Cape May Court House, Millville, Moorestown, Philadelphia, Collegeville, Cherry Hill, Perkasie, Freehold, Media, Lansdale, Oxford, Denton, Morrisville, Centreville, Chalfont, Wilmington, Flemington, and Bethlehem 902 AM EDT Tue Apr 21 2026 ...FREEZE WARNING HAS EXPIRED... Temperatures have risen above freezing, thus the threat has ended. $$ DeSilva
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 20, 11:44 AM EDT | Special Marine Warning | PHI | 61 min | |
| Apr 20, 12:10 PM EDT | Special Marine Warning | PHI | 41 min |
Nearby
Freeze Warnings in New Jersey, 2026Freeze Warnings in Pennsylvania, 2026Freeze Warnings in Maryland, 2026Every freeze warning 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.