Alert archive / New Jersey / Freeze Warnings in 2018
Freeze Warning 6, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Oct 21, 2018, 3:18 PM EDT for 7 counties in New Jersey; 5 counties in Pennsylvania. It took effect at Oct 22, 2018, 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
- Oct 21, 2018, 3:18 PM EDT (19:18 UTC)
- In effect from
- Oct 22, 2018, 12:00 AM EDT
- Expired
- Oct 22, 2018, 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, Monmouth County, NJ, Ocean County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Montgomery County, PA
The radar
The Philadelphia radar (KDIX), 55 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.3 hours before the alert went out and 209 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
- 948 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -213 m²/s²
- 0-3 km storm-relative helicity
- -71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
728 WWUS71 KPHI 211918 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 318 PM EDT Sun Oct 21 2018 PAZ060-061-101-103-105-221000- /O.UPG.KPHI.FR.Y.0004.181022T0400Z-181022T1300Z/ /O.NEW.KPHI.FZ.W.0006.181022T0400Z-181022T1300Z/ Berks-Lehigh-Western Chester-Western Montgomery-Upper Bucks- Including the cities of Reading, Allentown, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 318 PM EDT Sun Oct 21 2018 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... The National Weather Service in Mount Holly has issued a Freeze Warning, which is in effect from midnight tonight to 9 AM EDT Monday. The Frost Advisory is no longer in effect. * TEMPERATURES...Dropping to around freezing. * TIMING...From midnight to 9 am Monday. * IMPACTS...Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ NJZ013-017>022-027-221000- /O.UPG.KPHI.FR.Y.0004.181022T0400Z-181022T1300Z/ /O.NEW.KPHI.FZ.W.0006.181022T0400Z-181022T1300Z/ Western Monmouth-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Southeastern Burlington- Including the cities of Freehold, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 318 PM EDT Sun Oct 21 2018 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... The National Weather Service in Mount Holly has issued a Freeze Warning, which is in effect from midnight tonight to 9 AM EDT Monday. The Frost Advisory is no longer in effect. * TEMPERATURES....Dropping to around freezing. * TIMING...From midnight to 9 am Monday. * IMPACTS...Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ DEZ001-MDZ008-NJZ012-015-016-PAZ070-071-102-104-106-221000- /O.CON.KPHI.FR.Y.0004.181022T0400Z-181022T1300Z/ New Castle-Cecil-Middlesex-Mercer-Salem-Delaware-Philadelphia- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Trenton, Pennsville, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 318 PM EDT Sun Oct 21 2018 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * TEMPERATURES....Dropping to the low to mid 30s. * TIMING...From midnight to 9 am Monday. * IMPACTS...Frost and freeze conditions may damage sensitive vegetation. Take steps now to protect tender plants from the cold. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$
2 follow-up statements
807 WWUS71 KPHI 220734 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 334 AM EDT Mon Oct 22 2018 PAZ060-061-101-103-105-221300- /O.CAN.KPHI.FZ.W.0006.000000T0000Z-181022T1300Z/ /O.EXA.KPHI.FR.Y.0004.000000T0000Z-181022T1300Z/ Berks-Lehigh-Western Chester-Western Montgomery-Upper Bucks- Including the cities of Reading, Allentown, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 334 AM EDT Mon Oct 22 2018 ...FROST ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... ...FREEZE WARNING IS CANCELLED... The National Weather Service in Mount Holly has issued a Frost Advisory, which is in effect until 9:00 AM this morning. The Freeze Warning has been cancelled. * TEMPERATURES...In the middle and upper 30s. * IMPACTS...Frost may damage sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ NJZ013-017>022-027-221300- /O.CON.KPHI.FZ.W.0006.000000T0000Z-181022T1300Z/ Western Monmouth-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Southeastern Burlington- Including the cities of Freehold, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 334 AM EDT Mon Oct 22 2018 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * TEMPERATURES...In the upper 20s to the middle 30s. * IMPACTS...Frost and freezing conditions may damage sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means that sub-freezing temperatures are expected. These conditions will kill crops and other sensitive vegetation. && $$ DEZ001-MDZ008-NJZ012-015-016-PAZ070-071-102-104-106-221300- /O.CON.KPHI.FR.Y.0004.000000T0000Z-181022T1300Z/ New Castle-Cecil-Middlesex-Mercer-Salem-Delaware-Philadelphia- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Trenton, Pennsville, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 334 AM EDT Mon Oct 22 2018 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * TEMPERATURES...In the middle and upper 30s. * IMPACTS...Frost may damage sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ Iovino
952 WWUS71 KPHI 221256 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 856 AM EDT Mon Oct 22 2018 NJZ013-017>022-027-221400- /O.EXP.KPHI.FZ.W.0006.000000T0000Z-181022T1300Z/ Western Monmouth-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Southeastern Burlington- Including the cities of Freehold, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, and Wharton State Forest 856 AM EDT Mon Oct 22 2018 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... $$ DEZ001-MDZ008-NJZ012-015-016-PAZ070-071-102-104-106-221400- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-181022T1300Z/ New Castle-Cecil-Middlesex-Mercer-Salem-Delaware-Philadelphia- Eastern Chester-Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Elkton, New Brunswick, Trenton, Pennsville, Media, Philadelphia, West Chester, Kennett Square, Norristown, Lansdale, Morrisville, and Doylestown 856 AM EDT Mon Oct 22 2018 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... $$ PAZ060-061-101-103-105-221400- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-181022T1300Z/ Berks-Lehigh-Western Chester-Western Montgomery-Upper Bucks- Including the cities of Reading, Allentown, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 856 AM EDT Mon Oct 22 2018 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 20, 10:31 PM EDT | Special Weather Statement | PHI | Hunterdon | 29 min |
| Oct 20, 10:38 PM EDT | Special Weather Statement | PHI | Cumberland, Gloucester, Salem | 22 min |
| Oct 20, 10:40 PM EDT | Special Marine Warning | PHI | 65 min | |
| Oct 20, 10:58 PM EDT | Special Weather Statement | PHI | Burlington, Camden, Cumberland, Gloucester, Salem | 32 min |
| Oct 20, 11:16 PM EDT | Special Weather Statement | PHI | Cumberland | 59 min |
| Oct 20, 11:22 PM EDT | Special Marine Warning | PHI | 53 min | |
| Oct 20, 11:25 PM EDT | Special Weather Statement | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 35 min |
| Oct 20, 11:56 PM EDT | Special Weather Statement | PHI | Atlantic, Cape May, Monmouth, Ocean | 34 min |
| Oct 21, 12:09 AM EDT | Special Marine Warning | PHI | 66 min | |
| Oct 21, 3:07 AM EDT | Frost Advisory | PHI | Atlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more | 30 hr |
| Oct 21, 5:52 PM EDT | Small Craft Advisory | PHI | 10 hr |
Nearby
Freeze Warnings in New Jersey, 2018Freeze Warnings in Pennsylvania, 2018Every freeze warning in 2018
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.