Alert archive / New Jersey / Freeze Warnings in 2019
Freeze Warning 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 1, 2019, 9:12 AM EDT for 4 states. It took effect at Nov 2, 2019, 2:00 AM EDT. It was in force for 8 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 1, 2019, 9:12 AM EDT (13:12 UTC)
- In effect from
- Nov 2, 2019, 2:00 AM EDT
- Expired
- Nov 2, 2019, 10:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 29 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, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Salem County, NJ, Somerset County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 71 km from the middle of the area, began a volume at 13:16 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
Wallops Is Stn, VA (KWAL), launched 12:00Z, 1.2 hours before the alert went out and 211 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
- 1385 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- -268 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
256 WWUS71 KPHI 011312 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 912 AM EDT Fri Nov 1 2019 MDZ008-NJZ008>010-016>022-027-PAZ060>062-101>103-105-020200- /O.CAN.KPHI.WI.Y.0010.000000T0000Z-191101T1600Z/ /O.UPG.KPHI.FZ.A.0001.191102T0600Z-191102T1300Z/ /O.NEW.KPHI.FZ.W.0003.191102T0600Z-191102T1400Z/ Cecil-Morris-Hunterdon-Somerset-Salem-Gloucester-Camden- Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Berks-Lehigh-Northampton-Western Chester- Eastern Chester-Western Montgomery-Upper Bucks- Including the cities of Elkton, Morristown, Flemington, Somerville, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Chalfont, and Perkasie 912 AM EDT Fri Nov 1 2019 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... ...WIND ADVISORY IS CANCELLED... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northern, northwest and southern New Jersey, east central and southeast Pennsylvania and northeast Maryland. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Wind gusts will be less than 50 mph. Therefore, the Wind Advisory that was in effect until noon has been cancelled. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001>003-MDZ012-015-019-020-NJZ012-013-015-023-PAZ070-104-106- 020200- /O.CAN.KPHI.WI.Y.0010.000000T0000Z-191101T1600Z/ /O.NEW.KPHI.FZ.W.0003.191102T0600Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Western Monmouth-Mercer-Cape May-Delaware- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Trenton, Cape May Court House, Media, Norristown, Lansdale, Morrisville, and Doylestown 912 AM EDT Fri Nov 1 2019 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... ...WIND ADVISORY IS CANCELLED... * WHAT...Sub-freezing temperatures as low as 32 expected. * WHERE...Portions of central, northern and southern New Jersey, southeast Pennsylvania, northeast Maryland and central, northern and southern Delaware. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. * ADDITIONAL DETAILS...Wind gusts will be less than 50 mph. Therefore, the Wind Advisory that was in effect until noon has been cancelled. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ004-NJZ001-007-014-024>026-PAZ054-055-071-011415- /O.CAN.KPHI.WI.Y.0010.000000T0000Z-191101T1600Z/ Delaware Beaches-Sussex-Warren-Eastern Monmouth- Atlantic Coastal Cape May-Coastal Atlantic-Coastal Ocean-Carbon- Monroe-Philadelphia- Including the cities of Rehoboth Beach, Newton, Washington, Sandy Hook, Ocean City, Atlantic City, Long Beach Island, Jim Thorpe, Stroudsburg, and Philadelphia 912 AM EDT Fri Nov 1 2019 ...WIND ADVISORY IS CANCELLED... Wind gusts will be less than 50 mph. Therefore, the Wind Advisory has been cancelled. $$ MPS
5 follow-up statements
184 WWUS71 KPHI 011330 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 930 AM EDT Fri Nov 1 2019 DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ060>062-070-101>106-020300- /O.CON.KPHI.FZ.W.0003.191102T0600Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Delaware-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 930 AM EDT Fri Nov 1 2019 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of northern, northwest and southern New Jersey, east central and southeast Pennsylvania and northeast Maryland. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
879 WWUS71 KPHI 011659 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1259 PM EDT Fri Nov 1 2019 DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ060>062-070-101>106-020600- /O.CON.KPHI.FZ.W.0003.191102T0600Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Delaware-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 1259 PM EDT Fri Nov 1 2019 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of central, northern, northwest and southern New Jersey, east central and southeast Pennsylvania, northeast Maryland and central, northern and southern Delaware. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
760 WWUS71 KPHI 011916 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 316 PM EDT Fri Nov 1 2019 DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ060>062-070-101>106-021000- /O.CON.KPHI.FZ.W.0003.191102T0600Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Delaware-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 316 PM EDT Fri Nov 1 2019 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of New Jersey, southeast Pennsylvania, the eastern shores of Maryland, and Delaware. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ PAZ071-021000- /O.NEW.KPHI.FR.Y.0004.191102T0600Z-191102T1400Z/ Philadelphia- Including the city of Philadelphia 316 PM EDT Fri Nov 1 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 10 AM EDT SATURDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Philadelphia County. * WHEN...From 2 AM to 10 AM EDT Saturday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
032 WWUS71 KPHI 020727 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 327 AM EDT Sat Nov 2 2019 DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ060>062-070-101>106-021400- /O.CON.KPHI.FZ.W.0003.000000T0000Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Delaware-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 327 AM EDT Sat Nov 2 2019 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Portions of New Jersey, southeast Pennsylvania, the eastern shores of Maryland, and Delaware. * WHEN...Through 10 AM EDT today. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ PAZ071-021400- /O.CON.KPHI.FR.Y.0004.000000T0000Z-191102T1400Z/ Philadelphia- Including the city of Philadelphia 327 AM EDT Sat Nov 2 2019 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Philadelphia County. * WHEN...Through 10 AM EDT today. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
731 WWUS71 KPHI 021356 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 956 AM EDT Sat Nov 2 2019 DEZ001>003-MDZ008-012-015-019-020-NJZ008>010-012-013-015>023-027- PAZ060>062-070-101>106-021500- /O.EXP.KPHI.FZ.W.0003.000000T0000Z-191102T1400Z/ New Castle-Kent-Inland Sussex-Cecil-Kent MD-Queen Annes-Talbot- Caroline-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Salem-Gloucester-Camden-Northwestern Burlington-Ocean- Cumberland-Atlantic-Cape May-Southeastern Burlington-Berks-Lehigh- Northampton-Delaware-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Elkton, Chestertown, Centreville, Easton, Denton, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Allentown, Bethlehem, Media, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 956 AM EDT Sat Nov 2 2019 ...FREEZE WARNING WILL EXPIRE AT 10 AM EDT THIS MORNING... Temperatures have risen well above freezing, so the Freeze Warning will be allowed to expire. $$ PAZ071-021500- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-191102T1400Z/ Philadelphia- Including the city of Philadelphia 956 AM EDT Sat Nov 2 2019 ...FROST ADVISORY WILL EXPIRE AT 10 AM EDT THIS MORNING... Temperatures have risen into the 40s, so the Frost Advisory 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 31, 8:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 64 min |
| Oct 31, 8:58 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 62 min |
| Oct 31, 9:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 55 min |
| Oct 31, 9:41 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Oct 31, 9:56 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 4 hr |
| Oct 31, 9:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 64 min |
| Oct 31, 10:23 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 67 min |
| Oct 31, 10:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 77 min |
| Oct 31, 10:45 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 4 hr |
| Oct 31, 11:08 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 4 hr |
| Oct 31, 11:14 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe, Northampton | 4 hr |
| Oct 31, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 60 min |
| Oct 31, 11:32 PM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 14 min |
| Oct 31, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| Oct 31, 11:54 PM EDT | Tornado Warning | PHI | Bucks | 36 min |
| Nov 1, 1:43 AM EDT | Areal Flood Warning | PHI | Berks | 4 hr |
| Nov 1, 2:28 AM EDT | River Flood Warning | PHI | Chester | 4 hr |
| Nov 1, 3:02 AM EDT | Areal Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 5 hr |
| Nov 1, 3:06 AM EDT | Areal Flood Warning | PHI | Carbon, Monroe, Northampton | 4 hr |
| Nov 1, 3:31 AM EDT | Freeze Watch | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 6 hr |
| Nov 1, 3:16 PM EDT | Frost Advisory | PHI | Philadelphia | 19 hr |
| Oct 31, 10:47 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Cecil, Kent, Queen Anne's, Talbot | 73 min |
| Oct 31, 11:10 PM EDT | Tornado Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 35 min |
| Oct 31, 11:28 PM EDT | Severe Thunderstorm Warning | PHI | Kent, New Castle | 62 min |
| Nov 1, 12:10 AM EDT | Severe Thunderstorm Warning | PHI | Sussex | 95 min |
| Oct 31, 11:24 PM EDT | Severe Thunderstorm Warning | PHI | Hunterdon, Mercer, Morris, Somerset | 66 min |
| Oct 31, 11:31 PM EDT | Special Marine Warning | PHI | 89 min | |
| Nov 1, 12:07 AM EDT | Severe Thunderstorm Warning | PHI | Atlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean | 83 min |
| Nov 1, 12:24 AM EDT | Special Marine Warning | PHI | 96 min | |
| Nov 1, 12:31 AM EDT | Special Marine Warning | PHI | 89 min | |
| Nov 1, 9:13 AM EDT | Small Craft Advisory | PHI | 9 hr |
Nearby
Freeze Warnings in New Jersey, 2019Freeze Warnings in Pennsylvania, 2019Freeze Warnings in Maryland, 2019Every freeze warning in 2019
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.