Alert archive / New Jersey / Freeze Warnings in 2021
Freeze Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 3, 2021, 1:52 PM EDT for 7 counties in New Jersey. It took effect at Nov 4, 2021, 12:00 AM EDT. It was in force for 9 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 3, 2021, 1:52 PM EDT (17:52 UTC)
- In effect from
- Nov 4, 2021, 12:00 AM EDT
- Expired
- Nov 4, 2021, 9:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Atlantic County, NJ, Burlington County, NJ, Camden County, NJ, Cumberland County, NJ, Gloucester County, NJ, Ocean County, NJ, Salem County, NJ
The radar
The Philadelphia radar (KDIX), 51 km from the middle of the area, began a volume at 17:51 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, 5.9 hours before the alert went out and 198 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
- 1690 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -150 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
052 WWUS71 KPHI 031752 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 152 PM EDT Wed Nov 3 2021 NJZ016>022-027-040900- /O.NEW.KPHI.FZ.W.0006.211104T0400Z-211104T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Southeastern Burlington- Including the cities of Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 152 PM EDT Wed Nov 3 2021 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. The coldest temperatures will be away from the coast. * WHERE...Most of southern New Jersey. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect remaining tender plants from the cold. && $$ PAZ070-071-040900- /O.NEW.KPHI.FR.Y.0003.211104T0400Z-211104T1300Z/ Delaware-Philadelphia- Including the cities of Media and Philadelphia 152 PM EDT Wed Nov 3 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 35 will result in frost formation. The coldest temperatures will be outside of the urban centers. * WHERE...Delaware and Philadelphia counties. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect remaining tender plants from the cold. && $$ DEZ001>003-MDZ012-015-019-020-NJZ023-040900- /O.NEW.KPHI.FR.Y.0003.211104T0400Z-211104T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Cape May- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, and Cape May Court House 152 PM EDT Wed Nov 3 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. The coldest temperatures will be away from the coasts. * WHERE...Delaware, Marylands Eastern Shore and Cape May County New Jersey. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect remaining tender plants from the cold. && $$ NJZ012-013-040900- /O.NEW.KPHI.FR.Y.0003.211104T0400Z-211104T1300Z/ Middlesex-Western Monmouth- Including the cities of New Brunswick and Freehold 152 PM EDT Wed Nov 3 2021 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT THURSDAY... * WHAT...Temperatures as low as 33 will result in frost formation. The coldest temperatures will be outside of the urban centers and away from the coast. * WHERE...Middlesex and Western Monmouth counties. * WHEN...From midnight tonight to 9 AM EDT Thursday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect remaining tender plants from the cold. && $$ Gorse
2 follow-up statements
103 WWUS71 KPHI 040556 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 156 AM EDT Thu Nov 4 2021 NJZ016>022-027-041300- /O.CON.KPHI.FZ.W.0006.000000T0000Z-211104T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Southeastern Burlington- Including the cities of Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 156 AM EDT Thu Nov 4 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 degrees are expected. The coldest temperatures will be outside of urban areas, and away from large bodies of water. * WHERE...Much of southern New Jersey. * WHEN...Until 9:00 AM this morning. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect susceptible plants from the cold. && $$ PAZ070-071-041300- /O.CON.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ Delaware-Philadelphia- Including the cities of Media and Philadelphia 156 AM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as the middle 30s will allow for the development of frost. The coldest temperatures will be away from urban centers. * WHERE...The Pennsylvania counties of Delaware and Philadelphia. * WHEN...Until 9:00 AM this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect susceptible plants from the cold. && $$ DEZ001>003-MDZ012-015-019-020-NJZ023-041300- /O.CON.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Cape May- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, and Cape May Court House 156 AM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as the middle 30s will allow for the development of frost. The coldest temperatures will be outside of urban areas, and away from large bodies of water. * WHERE...The Maryland counties of Kent, Queen Anne's, Talbot and Caroline. Also, most of Delaware and Cape May County in New Jersey. * WHEN...Until 9:00 AM this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect susceptible plants from the cold. && $$ NJZ012-013-041300- /O.CON.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ Middlesex-Western Monmouth- Including the cities of New Brunswick and Freehold 156 AM EDT Thu Nov 4 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as the middle 30s will allow for the development of frost. The coldest temperatures will be outside of urban areas, and away from large bodies of water. * WHERE...The New Jersey counties of Middlesex and Monmouth. * WHEN...Until 9:00 AM this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect susceptible plants from the cold. && $$ Iovino
561 WWUS71 KPHI 041254 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 854 AM EDT Thu Nov 4 2021 NJZ016>022-027-041400- /O.EXP.KPHI.FZ.W.0006.000000T0000Z-211104T1300Z/ Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Southeastern Burlington- Including the cities of Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 854 AM EDT Thu Nov 4 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will continue to rise this morning. Thus, the freeze warning will be allowed to expire. In many locations the growing season ended with the freeze this morning. However, even in areas where that didn't occur, a freeze is possible tonight into Saturday morning. $$ PAZ070-071-041400- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ Delaware-Philadelphia- Including the cities of Media and Philadelphia 854 AM EDT Thu Nov 4 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will continue to rise this morning. Thus, the frost advisory will be allowed to expire. The growing season ended with the freeze this morning. Thus, no additional frost or freeze headlines will be issued until Spring. $$ DEZ001>003-MDZ012-015-019-020-NJZ023-041400- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Cape May- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, and Cape May Court House 854 AM EDT Thu Nov 4 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will continue to rise this morning. Thus, the frost advisory will be allowed to expire. In New Castle County the growing season ended with the freeze this morning. However, even in areas where that didn't occur this morning, a freeze is possible tonight into Saturday morning. $$ NJZ012-013-041400- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-211104T1300Z/ Middlesex-Western Monmouth- Including the cities of New Brunswick and Freehold 854 AM EDT Thu Nov 4 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will continue to rise this morning. Thus, the frost advisory will be allowed to expire. The growing season ended with the freeze this morning. Thus, no additional frost or freeze headlines will be issued until Spring. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 3, 1:52 PM EDT | Frost Advisory | PHI | Cape May, Middlesex, Monmouth | 19 hr |
Nearby
Freeze Warnings in New Jersey, 2021Every freeze warning in 2021
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.