Alert archive / New Jersey / Freeze Warnings in 2018
Freeze Warning 7, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 9, 2018, 2:03 PM EST for 5 counties in New Jersey; 5 counties in Maryland; Delaware County, Philadelphia County, Pennsylvania. It took effect at Nov 10, 2018, 10:00 PM EST. It was in force for 11 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 9, 2018, 2:03 PM EST (19:03 UTC)
- In effect from
- Nov 10, 2018, 10:00 PM EST
- Expired
- Nov 11, 2018, 9:00 AM EST
- In force
- 11 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Caroline County, MD, Cecil County, MD, Kent County, MD, Queen Anne's County, MD, Talbot County, MD, Atlantic County, NJ, Camden County, NJ, Cape May County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Dover AFB radar (KDOX), 66 km from the middle of the area, began a volume at 19:06 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, 7.1 hours before the alert went out and 166 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
- 1073 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
845 WWUS71 KPHI 091903 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 203 PM EST Fri Nov 9 2018 MDZ008-012-015-019-020-NJZ016>018-022>025-PAZ070-071-101000- /O.NEW.KPHI.FZ.W.0007.181111T0600Z-181111T1400Z/ Cecil-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 203 PM EST Fri Nov 9 2018 ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY... The National Weather Service in Mount Holly has issued a Freeze Warning, which is in effect from 1 AM to 9 AM EST Sunday. * TEMPERATURES...As low as 30. * TIMING...Temperatures are expected to fall below freezing late Saturday night through Sunday morning. * 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. && $$ Staarmann
4 follow-up statements
273 WWUS71 KPHI 100811 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 311 AM EST Sat Nov 10 2018 MDZ008-012-015-019-020-NJZ016>018-022>025-PAZ070-071-102200- /O.CON.KPHI.FZ.W.0007.181111T0600Z-181111T1400Z/ Cecil-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 311 AM EST Sat Nov 10 2018 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM EST SUNDAY... * TEMPERATURES...As low as 30. * TIMING...Temperatures are expected to fall below freezing late tonight through Sunday morning. * IMPACTS...Frost and freeze conditions will damage sensitive vegetation. Take steps now to protect tender plants from the cold. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$
835 WWUS71 KPHI 102019 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 319 PM EST Sat Nov 10 2018 MDZ008-012-015-019-020-NJZ016>018-022>025-PAZ070-071-111000- /O.EXT.KPHI.FZ.W.0007.181111T0300Z-181111T1400Z/ Cecil-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 319 PM EST Sat Nov 10 2018 ...FREEZE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 9 AM EST SUNDAY... * TEMPERATURES...Dropping into the upper 20s. * TIMING...Temperatures will fall below freezing later tonight and Sunday morning. * IMPACTS...Crops and other remaining sensitive vegetation will be killed if left exposed. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ Gorse
126 WWUS71 KPHI 110829 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 329 AM EST Sun Nov 11 2018 MDZ008-012-015-019-020-NJZ016>018-022>025-PAZ070-071-111400- /O.CON.KPHI.FZ.W.0007.000000T0000Z-181111T1400Z/ Cecil-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 329 AM EST Sun Nov 11 2018 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * TEMPERATURES...In the upper 20s. * TIMING...Temperatures will remain below freezing through early Sunday morning. * IMPACTS...Frost and freeze conditions may damage sensitive vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$
858 WWUS71 KPHI 111409 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 909 AM EST Sun Nov 11 2018 MDZ008-012-015-019-020-NJZ016>018-022>025-PAZ070-071-111515- /O.EXP.KPHI.FZ.W.0007.000000T0000Z-181111T1400Z/ Cecil-Kent MD-Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 909 AM EST Sun Nov 11 2018 ...FREEZE WARNING HAS EXPIRED... It appears that temperatures last night fell below freezing for several hours in most of the warned area. Therefore the growing season will be considered officially over for all counties included in the freeze warning. Some localities near bodies of water may have remained above freezing. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 1:37 AM EST | Gale Warning | PHI | 40 hr | |
| Nov 9, 3:23 AM EST | Coastal Flood Advisory | PHI | Cape May, Cumberland, Salem | 11 hr |
| Nov 9, 3:23 AM EST | Coastal Flood Advisory | PHI | Burlington, Camden, Gloucester, Mercer | 14 hr |
| Nov 9, 4:42 PM EST | Areal Flood Advisory | PHI | Burlington, Camden, Cumberland, Gloucester, Hunterdon, Mercer and 1 more | 4 hr |
| Nov 9, 5:52 PM EST | Areal Flood Advisory | PHI | Atlantic, Cape May | 4 hr |
| Nov 9, 5:57 PM EST | Special Marine Warning | PHI | 63 min | |
| Nov 9, 6:53 PM EST | Special Marine Warning | PHI | 67 min | |
| Nov 9, 6:58 PM EST | Areal Flood Advisory | PHI | Atlantic, Burlington, Ocean | 4 hr |
Nearby
Freeze Warnings in New Jersey, 2018Freeze Warnings in Maryland, 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.