Alert archive / New Jersey / Frost Advisories in 2022
Frost Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 17, 2022, 2:57 PM EDT for 11 counties in New Jersey; 4 counties in Pennsylvania; New Castle County, Delaware. It took effect at Apr 18, 2022, 12:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 17, 2022, 2:57 PM EDT (18:57 UTC)
- In effect from
- Apr 18, 2022, 12:00 AM EDT
- Expired
- Apr 18, 2022, 8:07 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties New Castle County, DE, 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
The radar
The Philadelphia radar (KDIX), 49 km from the middle of the area, began a volume at 18:56 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, 7.0 hours before the alert went out and 218 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
- 1287 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -205 m²/s²
- 0-3 km storm-relative helicity
- -8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
761 WWUS71 KPHI 171857 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 257 PM EDT Sun Apr 17 2022 PAZ060-101-103-180800- /O.CON.KPHI.FZ.W.0001.220418T0400Z-220418T1300Z/ Berks-Western Chester-Western Montgomery- Including the cities of Reading, Honey Brook, Oxford, Collegeville, and Pottstown 257 PM EDT Sun Apr 17 2022 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Berks, Western Chester and Western Montgomery. * WHEN...From midnight tonight to 9 AM EDT Monday. * 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. && $$ DEZ001-NJZ012-013-015>023-027-PAZ070-102-104-106-180800- /O.UPG.KPHI.FZ.A.0001.220418T0400Z-220418T1300Z/ /O.NEW.KPHI.FR.Y.0002.220418T0400Z-220418T1300Z/ New Castle-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Eastern Chester- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 257 PM EDT Sun Apr 17 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania and northern Delaware. * WHEN...From midnight tonight to 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Davis
4 follow-up statements
862 WWUS71 KPHI 171952 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 352 PM EDT Sun Apr 17 2022 PAZ060-101-103-180900- /O.CON.KPHI.FZ.W.0001.220418T0400Z-220418T1300Z/ Berks-Western Chester-Western Montgomery- Including the cities of Reading, Honey Brook, Oxford, Collegeville, and Pottstown 352 PM EDT Sun Apr 17 2022 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Berks, Western Chester and Western Montgomery. * WHEN...From midnight tonight to 9 AM EDT Monday. * 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. && $$ DEZ001-NJZ012-013-015>023-027-PAZ070-102-104-106-180900- /O.CON.KPHI.FR.Y.0002.220418T0400Z-220418T1300Z/ New Castle-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Eastern Chester- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 352 PM EDT Sun Apr 17 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Temperatures dropping into the low 30s will result in patchy frost formation. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania and northern Delaware. * WHEN...From midnight tonight to 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Davis
650 WWUS71 KPHI 180123 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 923 PM EDT Sun Apr 17 2022 PAZ060-101-103-181300- /O.CON.KPHI.FZ.W.0001.220418T0400Z-220418T1300Z/ Berks-Western Chester-Western Montgomery- Including the cities of Reading, Honey Brook, Oxford, Collegeville, and Pottstown 923 PM EDT Sun Apr 17 2022 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT MONDAY... * WHAT...Sub-freezing temperatures as low as 29 degrees expected. * WHERE...Berks, Western Chester and Western Montgomery. * WHEN...Until 9 AM EDT Monday. * 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. && $$ DEZ001-NJZ012-013-015>023-027-PAZ070-102-104-106-181300- /O.CON.KPHI.FR.Y.0002.220418T0400Z-220418T1300Z/ New Castle-Middlesex-Western Monmouth-Mercer-Salem-Gloucester- Camden-Northwestern Burlington-Ocean-Cumberland-Atlantic-Cape May- Southeastern Burlington-Delaware-Eastern Chester- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Media, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 923 PM EDT Sun Apr 17 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT MONDAY... * WHAT...Temperatures in the lower 30s will result in frost formation. * WHERE...Far southeastern Pennsylvania except Philadelphia, Central and Southern New Jersey except the coast, and northern Delaware. * WHEN...Until 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Johnson
334 WWUS71 KPHI 180716 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 316 AM EDT Mon Apr 18 2022 PAZ060-101-103-181300- /O.CON.KPHI.FZ.W.0001.000000T0000Z-220418T1300Z/ Berks-Western Chester-Western Montgomery- Including the cities of Reading, Honey Brook, Oxford, Collegeville, and Pottstown 316 AM EDT Mon Apr 18 2022 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 28. * WHERE...Western Chester, Western Montgomery and Berks. * 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. && $$ NJZ021-023-182000- /O.NEW.KPHI.WI.Y.0007.220419T0000Z-220419T0500Z/ /O.CON.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ Cumberland-Cape May- Including the cities of Millville and Cape May Court House 316 AM EDT Mon Apr 18 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT TUESDAY... * WHAT...For the Frost Advisory, temperatures as low as 31 will result in frost formation. For the Wind Advisory, east winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Cumberland and Cape May. * WHEN...For the Frost Advisory, until 9 AM EDT this morning. For the Wind Advisory, from 8 PM this evening to 1 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Take steps now to protect tender plants from the cold. && $$ NJZ013-020-022-027-182000- /O.NEW.KPHI.WI.Y.0007.220419T0200Z-220419T0900Z/ /O.CON.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ Western Monmouth-Ocean-Atlantic-Southeastern Burlington- Including the cities of Freehold, Jackson, Hammonton, and Wharton State Forest 316 AM EDT Mon Apr 18 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 5 AM EDT TUESDAY... * WHAT...For the Frost Advisory, temperatures as low as 31 will result in frost formation. For the Wind Advisory, southeast winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...Western Monmouth, Ocean, Atlantic and Southeastern Burlington. * WHEN...For the Frost Advisory, until 9 AM EDT this morning. For the Wind Advisory, from 10 PM this evening to 5 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Frost could kill sensitive outdoor vegetation if left uncovered. 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. && $$ DEZ002>004-NJZ024-182000- /O.NEW.KPHI.WI.Y.0007.220419T0000Z-220419T0500Z/ Kent-Inland Sussex-Delaware Beaches-Atlantic Coastal Cape May- Including the cities of Dover, Georgetown, Rehoboth Beach, and Ocean City 316 AM EDT Mon Apr 18 2022 ...WIND ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT TUESDAY... * WHAT...East winds 20 to 30 mph with gusts up to 50 mph expected. * WHERE...In New Jersey, Atlantic Coastal Cape May. In Delaware, Kent, Inland Sussex and Delaware Beaches. * WHEN...From 8 PM this evening to 1 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NJZ014-025-026-182000- /O.NEW.KPHI.WI.Y.0007.220419T0200Z-220419T0900Z/ Eastern Monmouth-Coastal Atlantic-Coastal Ocean- Including the cities of Sandy Hook, Atlantic City, and Long Beach Island 316 AM EDT Mon Apr 18 2022 ...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 5 AM EDT TUESDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Eastern Monmouth, Coastal Atlantic and Coastal Ocean. * WHEN...From 10 PM this evening to 5 AM EDT Tuesday. * 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. && $$ DEZ001-NJZ012-015>019-PAZ070-102-104-106-181300- /O.CON.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ New Castle-Middlesex-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Delaware-Eastern Chester- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 316 AM EDT Mon Apr 18 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 32 will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania and northern Delaware. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
668 WWUS71 KPHI 181207 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 807 AM EDT Mon Apr 18 2022 PAZ060-101-103-181315- /O.CAN.KPHI.FZ.W.0001.000000T0000Z-220418T1300Z/ Berks-Western Chester-Western Montgomery- Including the cities of Reading, Honey Brook, Oxford, Collegeville, and Pottstown 807 AM EDT Mon Apr 18 2022 ...FREEZE WARNING IS CANCELLED... Temperatures are warming above freezing this morning and any lingering frost will melt. $$ NJZ021-023-190115- /O.CAN.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ /O.CON.KPHI.WI.Y.0007.220419T0000Z-220419T0500Z/ Cumberland-Cape May- Including the cities of Millville and Cape May Court House 807 AM EDT Mon Apr 18 2022 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT TUESDAY... ...FROST ADVISORY IS CANCELLED... * WHAT...East winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Cape May and Cumberland. * WHEN...From 8 PM this evening to 1 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NJZ013-020-022-027-190115- /O.CAN.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ /O.CON.KPHI.WI.Y.0007.220419T0200Z-220419T0900Z/ Western Monmouth-Ocean-Atlantic-Southeastern Burlington- Including the cities of Freehold, Jackson, Hammonton, and Wharton State Forest 807 AM EDT Mon Apr 18 2022 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 5 AM EDT TUESDAY... ...FROST ADVISORY IS CANCELLED... * WHAT...Southeast winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Ocean, Western Monmouth, Southeastern Burlington and Atlantic. * WHEN...From 10 PM this evening to 5 AM EDT Tuesday. * 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. && $$ DEZ001-NJZ012-015>019-PAZ070-102-104-106-181315- /O.CAN.KPHI.FR.Y.0002.000000T0000Z-220418T1300Z/ New Castle-Middlesex-Mercer-Salem-Gloucester-Camden- Northwestern Burlington-Delaware-Eastern Chester- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Media, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 807 AM EDT Mon Apr 18 2022 ...FROST ADVISORY IS CANCELLED... Temperatures are warming above freezing this morning and any lingering frost will melt. $$ DEZ002>004-NJZ024-190115- /O.CON.KPHI.WI.Y.0007.220419T0000Z-220419T0500Z/ Kent-Inland Sussex-Delaware Beaches-Atlantic Coastal Cape May- Including the cities of Dover, Georgetown, Rehoboth Beach, and Ocean City 807 AM EDT Mon Apr 18 2022 ...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 1 AM EDT TUESDAY... * WHAT...East winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...In New Jersey, Atlantic Coastal Cape May. In Delaware, Delaware Beaches, Kent and Inland Sussex. * WHEN...From 8 PM this evening to 1 AM EDT Tuesday. * 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. && $$ NJZ014-025-026-190115- /O.CON.KPHI.WI.Y.0007.220419T0200Z-220419T0900Z/ Eastern Monmouth-Coastal Atlantic-Coastal Ocean- Including the cities of Sandy Hook, Atlantic City, and Long Beach Island 807 AM EDT Mon Apr 18 2022 ...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 5 AM EDT TUESDAY... * WHAT...Southeast winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Coastal Ocean, Coastal Atlantic and Eastern Monmouth. * WHEN...From 10 PM this evening to 5 AM EDT Tuesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 16, 8:11 PM EDT | Special Weather Statement | PHI | Burlington | 34 min |
| Apr 16, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Burlington, Monmouth, Ocean | 47 min |
| Apr 16, 8:29 PM EDT | Special Weather Statement | PHI | Cumberland | 31 min |
| Apr 16, 8:33 PM EDT | Special Marine Warning | PHI | 42 min | |
| Apr 16, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Cape May, Cumberland | 41 min |
| Apr 16, 8:45 PM EDT | Special Weather Statement | PHI | Camden | 30 min |
| Apr 16, 8:57 PM EDT | Special Weather Statement | PHI | Cape May | 48 min |
| Apr 16, 9:10 PM EDT | Special Weather Statement | PHI | Atlantic | 50 min |
| Apr 16, 9:20 PM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cumberland, Ocean | 40 min |
| Apr 16, 9:57 PM EDT | Special Weather Statement | PHI | Mercer | 33 min |
| Apr 16, 10:20 PM EDT | Special Weather Statement | PHI | Monmouth | 25 min |
| Apr 16, 10:32 PM EDT | Special Weather Statement | PHI | Ocean | 28 min |
| Apr 16, 11:09 PM EDT | Special Weather Statement | PHI | Ocean | 21 min |
| Apr 16, 11:48 PM EDT | Special Weather Statement | PHI | Atlantic | 12 min |
| Apr 16, 11:55 PM EDT | Special Marine Warning | PHI | 50 min | |
| Apr 17, 3:20 AM EDT | Gale Watch | PHI | 12 hr | |
| Apr 17, 2:59 PM EDT | Gale Warning | PHI | 43 hr | |
| Apr 17, 3:22 AM EDT | Freeze Warning | PHI | Berks, Chester, Montgomery | 29 hr |
| Apr 16, 8:38 PM EDT | Special Weather Statement | PHI | Sussex | 52 min |
| Apr 16, 9:16 PM EDT | Special Weather Statement | PHI | Kent | 29 min |
| Apr 16, 9:53 PM EDT | Special Weather Statement | PHI | Kent | 22 min |
| Apr 16, 10:00 PM EDT | Special Weather Statement | PHI | Sussex | 30 min |
Nearby
Frost Advisories in New Jersey, 2022Frost Advisories in Pennsylvania, 2022Frost Advisories in Delaware, 2022Every frost advisory in 2022
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.