Alert archive / New Jersey / Frost Advisories in 2022
Frost Advisory 1, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Apr 9, 2022, 9:34 PM EDT for 4 states. It took effect at Apr 11, 2022, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Apr 9, 2022, 9:34 PM EDT (01:34 UTC)
- In effect from
- Apr 11, 2022, 12:00 AM EDT
- Expired
- Apr 11, 2022, 9:00 AM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 24 counties
Kent County, DE, New Castle County, DE, Sussex County, DE, Caroline 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, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ, Salem County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Delaware County, PA, Montgomery County, PA, Philadelphia County, PA
The radar
The Philadelphia radar (KDIX), 77 km from the middle of the area, began a volume at 01:34 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 00:00Z, 1.6 hours before the alert went out and 193 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
- 9 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 1656 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -54 m²/s²
- 0-3 km storm-relative helicity
- -19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
584 WWUS71 KPHI 100134 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 934 PM EDT Sat Apr 9 2022 DEZ001-NJZ012>023-027-PAZ060-070-071-101>104-106-101100- /O.NEW.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ New Castle-Middlesex-Western Monmouth-Eastern Monmouth-Mercer- Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 934 PM EDT Sat Apr 9 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO 9 AM EDT MONDAY... * WHAT...Minimum temperatures ranging from 33 to 36 degrees will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey, east central and southeast Pennsylvania and northern Delaware. * WHEN...From midnight Sunday night 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. && $$ Staarmann
5 follow-up statements
041 WWUS71 KPHI 100742 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 342 AM EDT Sun Apr 10 2022 DEZ001-NJZ012>023-027-PAZ060-070-071-101>104-106-102045- /O.CON.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ New Castle-Middlesex-Western Monmouth-Eastern Monmouth-Mercer- Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 342 AM EDT Sun Apr 10 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey, east central and southeast Pennsylvania and northern Delaware. * WHEN...From midnight tonight to 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Davis
104 WWUS71 KPHI 101759 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 159 PM EDT Sun Apr 10 2022 DEZ002-003-MDZ012-015-020-110800- /O.EXA.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ Kent-Inland Sussex-Kent MD-Queen Annes-Caroline- Including the cities of Dover, Georgetown, Chestertown, Centreville, and Denton 159 PM EDT Sun Apr 10 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In Maryland, Kent MD, Queen Annes and Caroline. In Delaware, Kent and Inland Sussex. * 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. && $$ DEZ001-NJZ012>023-027-PAZ060-070-071-101>104-106-110800- /O.CON.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ New Castle-Middlesex-Western Monmouth-Eastern Monmouth-Mercer- Salem-Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 159 PM EDT Sun Apr 10 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey, east central and southeast Pennsylvania and northern Delaware. * WHEN...From midnight tonight to 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
199 WWUS71 KPHI 101941 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 341 PM EDT Sun Apr 10 2022 MDZ019-110900- /O.EXA.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ Talbot- Including the city of Easton 341 PM EDT Sun Apr 10 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Minimum temperatures ranging from 36 to 38 degrees will result in frost formation. * WHERE...Talbot. * 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. && $$ NJZ012>023-027-PAZ060-101>104-106-110900- /O.CON.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Lower Bucks- Including the cities of New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 341 PM EDT Sun Apr 10 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Minimum temperatures ranging from 32 to 35 degrees will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey and east central and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001>003-MDZ012-015-020-PAZ070-071-110900- /O.CON.KPHI.FR.Y.0001.220411T0400Z-220411T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Caroline- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Denton, Media, and Philadelphia 341 PM EDT Sun Apr 10 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT MONDAY... * WHAT...Minimum temperatures ranging from 34 to 37 degrees will result in frost formation. * WHERE...In Pennsylvania, Delaware and Philadelphia. In Maryland, Caroline, Kent MD and Queen Annes. In Delaware, New Castle, Kent and Inland Sussex. * 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. && $$ Staarmann
297 WWUS71 KPHI 110721 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 321 AM EDT Mon Apr 11 2022 NJZ012>023-027-PAZ060-101>104-106-111300- /O.CON.KPHI.FR.Y.0001.000000T0000Z-220411T1300Z/ Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Lower Bucks- Including the cities of New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 321 AM EDT Mon Apr 11 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of central, northern and southern New Jersey and east central and southeast Pennsylvania. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ DEZ001>003-MDZ012-015-019-020-PAZ070-071-111300- /O.CON.KPHI.FR.Y.0001.000000T0000Z-220411T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Delaware-Philadelphia- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, Media, and Philadelphia 321 AM EDT Mon Apr 11 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In Pennsylvania, Delaware and Philadelphia. In Maryland, Caroline, Talbot, Kent MD and Queen Annes. In Delaware, New Castle, Kent and Inland Sussex. * 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. && $$ Davis
517 WWUS71 KPHI 111301 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 901 AM EDT Mon Apr 11 2022 DEZ001>003-MDZ012-015-019-020-NJZ012>023-027-PAZ060-070-071- 101>104-106-111415- /O.EXP.KPHI.FR.Y.0001.000000T0000Z-220411T1300Z/ New Castle-Kent-Inland Sussex-Kent MD-Queen Annes-Talbot-Caroline- Middlesex-Western Monmouth-Eastern Monmouth-Mercer-Salem- Gloucester-Camden-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Berks-Delaware- Philadelphia-Western Chester-Eastern Chester-Western Montgomery- Eastern Montgomery-Lower Bucks- Including the cities of Wilmington, Dover, Georgetown, Chestertown, Centreville, Easton, Denton, New Brunswick, Freehold, Sandy Hook, Trenton, Pennsville, Glassboro, Camden, Cherry Hill, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Cape May Court House, Wharton State Forest, Reading, Media, Philadelphia, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Morrisville, and Doylestown 901 AM EDT Mon Apr 11 2022 ...FROST ADVISORY HAS EXPIRED... Milder temperatures this week with no frost expected. $$
Nearby
Frost Advisories in New Jersey, 2022Frost Advisories in Pennsylvania, 2022Frost Advisories in Maryland, 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.