Alert archive / New Jersey / Freeze Warnings in 2017
Freeze Warning 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this freeze warning at Nov 9, 2017, 2:15 PM EST for 4 states. It took effect at Nov 10, 2017, 7:00 PM EST. It was in force for 15 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, 2017, 2:15 PM EST (19:15 UTC)
- In effect from
- Nov 10, 2017, 7:00 PM EST
- Expired
- Nov 11, 2017, 10:00 AM EST
- In force
- 15 hr
- Issued by
- NWS Philadelphia/Mount Holly
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, Camden County, NJ, Cape May County, NJ, Cumberland County, NJ, Gloucester County, NJ, Salem County, NJ, Delaware County, PA, Philadelphia County, PA
The radar
The Dover AFB radar (KDOX), 59 km from the middle of the area, began a volume at 19:15 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, 7.3 hours before the alert went out and 159 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
- 733 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 38 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
847 WWUS71 KPHI 091915 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 215 PM EST Thu Nov 9 2017 ...Widespread Freeze Expected Friday Night... DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 101000- /O.UPG.KPHI.FZ.A.0001.171111T0000Z-171111T1500Z/ /O.NEW.KPHI.FZ.W.0004.171111T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 215 PM EST Thu Nov 9 2017 ...FREEZE WARNING IN EFFECT FROM 7 PM FRIDAY TO 10 AM EST SATURDAY... The National Weather Service in Mount Holly has issued a Freeze Warning, which is in effect from 7 PM Friday to 10 AM EST Saturday. The Freeze Watch is no longer in effect. * TEMPERATURES...Dropping to between 15 and 25 degrees. * TIMING...The lowest temperatures should occur near daybreak Saturday. * IMPACTS...Crops and other sensitive outdoor plants will likely be killed. Take steps to protect remaining tender plants from freeze conditions. This will likely bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ Gorse
5 follow-up statements
804 WWUS71 KPHI 100845 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 345 AM EST Fri Nov 10 2017 ...Widespread Freeze Expected Tonight... DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 102300- /O.CON.KPHI.FZ.W.0004.171111T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 345 AM EST Fri Nov 10 2017 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SATURDAY... * TEMPERATURES...In the teens to lower 20s. * TIMING...The lowest temperatures should occur near daybreak Saturday. * IMPACTS...Crops and other sensitive outdoor plants will likely be killed. Take steps to protect remaining tender plants from freeze conditions. This will bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ MPS
423 WWUS71 KPHI 102035 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 335 PM EST Fri Nov 10 2017 ...Widespread Freeze Expected Tonight... DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 110900- /O.CON.KPHI.FZ.W.0004.171111T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 335 PM EST Fri Nov 10 2017 ...FREEZE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM EST SATURDAY... * TEMPERATURES...In the teens in the Pine Barrens to the middle 20s in the urban corridor and at the beaches. * TIMING...The lowest temperatures should occur near daybreak Saturday. * IMPACTS...Crops and other sensitive outdoor plants will likely be killed. Take steps to protect remaining tender plants from freeze conditions. This will bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ CMS
172 WWUS71 KPHI 110307 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1007 PM EST Fri Nov 10 2017 ...Widespread Freeze Tonight... DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 111500- /O.CON.KPHI.FZ.W.0004.000000T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 1007 PM EST Fri Nov 10 2017 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EST SATURDAY... * TEMPERATURES...Temperatures are already below freezing across the region late this evening. Lows tonight range from 20 to 25 degrees. * TIMING...The lowest temperatures will occur near daybreak Saturday morning. * IMPACTS...Crops and other cold-sensitive outdoor plants will be killed if not protected. This will bring an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent. These conditions will kill crops and other sensitive vegetation. && $$ JRK
514 WWUS71 KPHI 110837 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 337 AM EST Sat Nov 11 2017 DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 111500- /O.CON.KPHI.FZ.W.0004.000000T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 337 AM EST Sat Nov 11 2017 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * TEMPERATURES...In the 20s. * TIMING...The lowest temperatures will occur around daybreak. * IMPACTS...The end of the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent. These conditions will kill crops and other sensitive vegetation. && $$
417 WWUS71 KPHI 111458 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 958 AM EST Sat Nov 11 2017 DEZ001>004-MDZ008-012-015-019-020-NJZ016>018-021>025-PAZ070-071- 111600- /O.EXP.KPHI.FZ.W.0004.000000T0000Z-171111T1500Z/ New Castle-Kent-Inland Sussex-Delaware Beaches-Cecil-Kent MD- Queen Annes-Talbot-Caroline-Salem-Gloucester-Camden-Cumberland- Atlantic-Cape May-Atlantic Coastal Cape May-Coastal Atlantic- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Rehoboth Beach, Elkton, Chestertown, Centreville, Easton, Denton, Pennsville, Glassboro, Camden, Cherry Hill, Millville, Hammonton, Cape May Court House, Ocean City, Atlantic City, Media, and Philadelphia 958 AM EST Sat Nov 11 2017 ...FREEZE WARNING WILL EXPIRE AT 10 AM EST THIS MORNING... Temperatures are beginning to increase to near or above freezing late this morning. Therefore, the freeze warning will be allowed to expire as scheduled. The growing season has ended across the area. $$ CMS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 9, 3:21 AM EST | Gale Warning | PHI | 39 hr | |
| Nov 9, 3:21 AM EST | Small Craft Advisory | PHI | 6 hr | |
| Nov 9, 3:34 AM EST | Freeze Watch | PHI | Atlantic, Camden, Cape May, Cumberland, Gloucester, Salem | 11 hr |
Nearby
Freeze Warnings in New Jersey, 2017Freeze Warnings in Maryland, 2017Freeze Warnings in Delaware, 2017Every freeze warning in 2017
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.