Alert archive / New Jersey / Freeze Warnings in 2020
Freeze Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at May 9, 2020, 3:46 AM EDT for 4 states. It took effect at May 9, 2020, 11:00 PM EDT. It was in force for 10 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
- May 9, 2020, 3:46 AM EDT (07:46 UTC)
- In effect from
- May 9, 2020, 11:00 PM EDT
- Expired
- May 10, 2020, 8:37 AM EDT
- In force
- 10 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 23 counties
New Castle County, DE, Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Cape May County, NJ, Cumberland County, NJ, Hunterdon 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, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 65 km from the middle of the area, began a volume at 07:47 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, 7.8 hours before the alert went out and 200 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
- 1061 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 350 m²/s²
- 0-3 km storm-relative helicity
- 418 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
794 WWUS71 KPHI 090746 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 346 AM EDT Sat May 9 2020 NJZ001-PAZ054-055-091815- /O.NEW.KPHI.FZ.W.0007.200510T0300Z-200510T1300Z/ /O.CON.KPHI.FZ.W.0006.000000T0000Z-200509T1300Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 346 AM EDT Sat May 9 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 28. For the second Freeze Warning, sub-freezing temperatures as low as 30 expected. * WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon and Monroe. * WHEN...For the first Freeze Warning, until 9 AM EDT this morning. For the second Freeze Warning, from 11 PM this evening to 9 AM EDT Sunday. * 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. && $$ NJZ007>009-PAZ060>062-101-103-105-091300- /O.CON.KPHI.FZ.W.0006.000000T0000Z-200509T1300Z/ Warren-Morris-Hunterdon-Berks-Lehigh-Northampton-Western Chester- Western Montgomery-Upper Bucks- Including the cities of Washington, Morristown, Flemington, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 346 AM EDT Sat May 9 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...In New Jersey, Warren, Morris and Hunterdon. In Pennsylvania, Berks, Lehigh, Northampton, Western Chester, Western Montgomery and Upper Bucks. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
4 follow-up statements
883 WWUS71 KPHI 091251 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 851 AM EDT Sat May 9 2020 NJZ001-PAZ054-055-100200- /O.CAN.KPHI.FZ.W.0006.000000T0000Z-200509T1300Z/ /O.CON.KPHI.FZ.W.0007.200510T0300Z-200510T1300Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 851 AM EDT Sat May 9 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY... ...FREEZE WARNING IS CANCELLED... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon and Monroe. * WHEN...From 11 PM this evening to 9 AM EDT Sunday. * 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. && $$ NJZ007>009-PAZ060>062-101-103-105-091400- /O.CAN.KPHI.FZ.W.0006.000000T0000Z-200509T1300Z/ Warren-Morris-Hunterdon-Berks-Lehigh-Northampton-Western Chester- Western Montgomery-Upper Bucks- Including the cities of Washington, Morristown, Flemington, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 851 AM EDT Sat May 9 2020 ...FREEZE WARNING IS CANCELLED... Although conditions remain quite chilly with temps in the low 30s and wind gusts up to 30 mph the additional threat to sensitive vegetation will shortly come to an end. Temperatures should warm into the low to mid 40s this afternoon. $$
338 WWUS71 KPHI 091900 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 300 PM EDT Sat May 9 2020 NJZ007>010-PAZ060>062-101>103-105-101000- /O.EXA.KPHI.FZ.W.0007.200510T0300Z-200510T1300Z/ Warren-Morris-Hunterdon-Somerset-Berks-Lehigh-Northampton- Western Chester-Eastern Chester-Western Montgomery-Upper Bucks- Including the cities of Washington, Morristown, Flemington, Somerville, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie 300 PM EDT Sat May 9 2020 ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY... * WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...Portions of northern and northwest New Jersey and east central and southeast Pennsylvania. * WHEN...From 11 PM this evening to 9 AM EDT Sunday. * IMPACTS...Freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001-MDZ008-NJZ012-013-016-020>023-027-101000- /O.EXA.KPHI.FZ.W.0007.200510T0300Z-200510T1300Z/ New Castle-Cecil-Middlesex-Western Monmouth-Salem-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington- Including the cities of Wilmington, Elkton, New Brunswick, Freehold, Pennsville, Jackson, Millville, Hammonton, Cape May Court House, and Wharton State Forest 300 PM EDT Sat May 9 2020 ...FREEZE WARNING IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY... * WHAT...Sub-freezing temperatures as low as 31 expected. * WHERE...In New Jersey, Middlesex, Western Monmouth, Salem, Ocean, Cumberland, Atlantic, Cape May and Southeastern Burlington. In Maryland, Cecil. In Delaware, New Castle. * WHEN...From 11 PM this evening to 9 AM EDT Sunday. * IMPACTS...Freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ001-PAZ054-055-101000- /O.CON.KPHI.FZ.W.0007.200510T0300Z-200510T1300Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 300 PM EDT Sat May 9 2020 ...FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM EDT SUNDAY... * WHAT...Sub-freezing temperatures as low as 27 expected. * WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon and Monroe. * WHEN...From 11 PM this evening to 9 AM EDT Sunday. * IMPACTS...Freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Deal
708 WWUS71 KPHI 100702 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 302 AM EDT Sun May 10 2020 NJZ001-PAZ054-055-101300- /O.CON.KPHI.FZ.W.0007.000000T0000Z-200510T1300Z/ Sussex-Carbon-Monroe- Including the cities of Newton, Jim Thorpe, and Stroudsburg 302 AM EDT Sun May 10 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 29. * WHERE...In New Jersey, Sussex. In Pennsylvania, Carbon and Monroe. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ007>010-PAZ060>062-101>103-105-101300- /O.CON.KPHI.FZ.W.0007.000000T0000Z-200510T1300Z/ Warren-Morris-Hunterdon-Somerset-Berks-Lehigh-Northampton- Western Chester-Eastern Chester-Western Montgomery-Upper Bucks- Including the cities of Washington, Morristown, Flemington, Somerville, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie 302 AM EDT Sun May 10 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 31. * WHERE...Portions of northern and northwest New Jersey and east central and southeast Pennsylvania. * 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. && $$ DEZ001-MDZ008-NJZ012-013-016-020>023-027-101300- /O.CON.KPHI.FZ.W.0007.000000T0000Z-200510T1300Z/ New Castle-Cecil-Middlesex-Western Monmouth-Salem-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington- Including the cities of Wilmington, Elkton, New Brunswick, Freehold, Pennsville, Jackson, Millville, Hammonton, Cape May Court House, and Wharton State Forest 302 AM EDT Sun May 10 2020 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 32. * WHERE...In New Jersey, Cape May, Ocean, Salem, Western Monmouth, Middlesex, Atlantic, Southeastern Burlington and Cumberland. In Maryland, Cecil. In Delaware, New Castle. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost and freeze conditions will kill crops and other sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
638 WWUS71 KPHI 101237 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 837 AM EDT Sun May 10 2020 DEZ001-MDZ008-NJZ001-007>010-012-013-016-020>023-027-PAZ054-055- 060>062-101>103-105-101345- /O.CAN.KPHI.FZ.W.0007.000000T0000Z-200510T1300Z/ New Castle-Cecil-Sussex-Warren-Morris-Hunterdon-Somerset- Middlesex-Western Monmouth-Salem-Ocean-Cumberland-Atlantic- Cape May-Southeastern Burlington-Carbon-Monroe-Berks-Lehigh- Northampton-Western Chester-Eastern Chester-Western Montgomery- Upper Bucks- Including the cities of Wilmington, Elkton, Newton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Pennsville, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie 837 AM EDT Sun May 10 2020 ...FREEZE WARNING IS CANCELLED... Temperatures have warmed above freezing across the region and sub-freezing temperatures no longer remain a threat. $$ Deal
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 11:39 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Gloucester, Mercer, Salem | 36 min |
| May 9, 12:09 AM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Monmouth, Ocean | 36 min |
| May 9, 11:22 AM EDT | Small Craft Advisory | PHI | 19 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.