Alert archive / New Jersey / Freeze Warnings in 2020
Freeze Warning 11, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Oct 29, 2020, 3:21 PM EDT for 4 states. It took effect at Oct 31, 2020, 2:00 AM EDT. 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
- Oct 29, 2020, 3:21 PM EDT (19:21 UTC)
- In effect from
- Oct 31, 2020, 2:00 AM EDT
- Expired
- Oct 31, 2020, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 24 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline County, MD, Cecil 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, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 79 km from the middle of the area, began a volume at 19:23 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 7.4 hours before the alert went out and 189 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
- 920 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
849 WWUS71 KPHI 291921 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 321 PM EDT Thu Oct 29 2020 DEZ003-NJZ023-300830- /O.NEW.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ /O.CON.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ Inland Sussex-Cape May- Including the cities of Georgetown and Cape May Court House 321 PM EDT Thu Oct 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 34 expected. For the Wind Advisory, southwest winds 30 to 40 mph with gusts up to 50 mph. * WHERE...In New Jersey, Cape May. In Delaware, Inland Sussex. * WHEN...For the Freeze Warning, from 2 AM to 9 AM EDT Saturday. For the Wind Advisory, until 8 PM EDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ DEZ001-002-MDZ008-012-015-019-020-NJZ012-013-015>022-027-PAZ070- 071-101-102-104-106-300830- /O.NEW.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 321 PM EDT Thu Oct 29 2020 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central and northern Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ004-NJZ024-300000- /O.CON.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ Delaware Beaches-Atlantic Coastal Cape May- Including the cities of Rehoboth Beach and Ocean City 321 PM EDT Thu Oct 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...South winds 30 to 40 mph with gusts up to 50 mph. * WHERE...In New Jersey, Atlantic Coastal Cape May. In Delaware, Delaware Beaches. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Johnson
6 follow-up statements
235 WWUS71 KPHI 291936 CCA NPWPHI URGENT - WEATHER MESSAGE...CORRECTED National Weather Service Mount Holly NJ 336 PM EDT Thu Oct 29 2020 DEZ003-NJZ023-300830- /O.COR.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ /O.COR.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ Inland Sussex-Cape May- Including the cities of Georgetown and Cape May Court House 336 PM EDT Thu Oct 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 31 expected. For the Wind Advisory, southwest winds 30 to 40 mph with gusts up to 50 mph. * WHERE...In New Jersey, Cape May. In Delaware, Inland Sussex. * WHEN...For the Freeze Warning, from 2 AM to 9 AM EDT Saturday. For the Wind Advisory, until 8 PM EDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ DEZ001-002-MDZ008-012-015-019-020-NJZ012-013-015>022-027-PAZ070- 071-101-102-104-106-300830- /O.COR.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 336 PM EDT Thu Oct 29 2020 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central and northern Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ004-NJZ024-300000- /O.CON.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ Delaware Beaches-Atlantic Coastal Cape May- Including the cities of Rehoboth Beach and Ocean City 336 PM EDT Thu Oct 29 2020 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...South winds 30 to 40 mph with gusts up to 50 mph. * WHERE...In New Jersey, Atlantic Coastal Cape May. In Delaware, Delaware Beaches. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ Johnson
978 WWUS71 KPHI 292352 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 752 PM EDT Thu Oct 29 2020 DEZ003-NJZ023-301300- /O.EXP.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ /O.CON.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ Inland Sussex-Cape May- Including the cities of Georgetown and Cape May Court House 752 PM EDT Thu Oct 29 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... ...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Sub-freezing temperatures expected. * WHERE...Inland portions of Cape May County in New Jersey and Sussex County in Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ004-NJZ024-300100- /O.EXP.KPHI.WI.Y.0012.000000T0000Z-201030T0000Z/ Delaware Beaches-Atlantic Coastal Cape May- Including the cities of Rehoboth Beach and Ocean City 752 PM EDT Thu Oct 29 2020 ...WIND ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... Winds have diminished below advisory criteria. Therefore, the wind advisory will be allowed to expire. $$ DEZ001-002-MDZ008-012-015-019-020-NJZ012-013-015>022-027-PAZ070- 071-101-102-104-106-301300- /O.CON.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ New Castle-Kent-Cecil-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 752 PM EDT Thu Oct 29 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central and northern Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ CMS
575 WWUS71 KPHI 300736 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 336 AM EDT Fri Oct 30 2020 DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027-PAZ070- 071-101-102-104-106-302100- /O.CON.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 336 AM EDT Fri Oct 30 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central and northern Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
871 WWUS71 KPHI 302012 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 412 PM EDT Fri Oct 30 2020 DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027-PAZ070- 071-101-102-104-106-310900- /O.CON.KPHI.FZ.W.0011.201031T0600Z-201031T1300Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 412 PM EDT Fri Oct 30 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures in the upper 20s to lower 30s expected. * WHERE...Portions of northern to southern New Jersey, southeast Pennsylvania, northeast Maryland and Delaware. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take protective measures now as freezing temperatures could damage or kill tender plants and vegetation. Potted plants should be brought inside. && $$
098 WWUS71 KPHI 310853 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 453 AM EDT Sat Oct 31 2020 DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027-PAZ070- 071-101-102-104-106-311300- /O.CON.KPHI.FZ.W.0011.000000T0000Z-201031T1300Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 453 AM EDT Sat Oct 31 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central, northern and southern Delaware. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
343 WWUS71 KPHI 311249 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 849 AM EDT Sat Oct 31 2020 DEZ001>003-MDZ008-012-015-019-020-NJZ012-013-015>023-027-PAZ070- 071-101-102-104-106-311400- /O.EXP.KPHI.FZ.W.0011.000000T0000Z-201031T1300Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Philadelphia-Western Chester- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 849 AM EDT Sat Oct 31 2020 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures continue to rise, and will soon warm above freezing in any areas where they have not already. The Freeze Warning will be allowed to expire. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 29, 3:16 AM EDT | Wind Advisory | PHI | Sussex | 17 hr |
| Oct 29, 3:33 PM EDT | Coastal Flood Advisory | PHI | Sussex | 21 hr |
Nearby
Freeze Warnings in New Jersey, 2020Freeze Warnings in Pennsylvania, 2020Freeze Warnings in Maryland, 2020Every freeze warning in 2020
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.