Alert archive / New Jersey / Frost Advisories in 2024
Frost Advisory 8, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 10, 2024, 3:19 AM EDT for 8 counties in Pennsylvania; 16 counties in New Jersey. It took effect at Oct 11, 2024, 12:00 AM EDT. It was in force for 9 hr.
The area
The counties it named.
The facts
- Issued
- Oct 10, 2024, 3:19 AM EDT (07:19 UTC)
- In effect from
- Oct 11, 2024, 12:00 AM EDT
- Expired
- Oct 11, 2024, 8:57 AM EDT
- In force
- 9 hr
- Issued by
- NWS Philadelphia/Mount Holly
All 24 counties
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, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Carbon County, PA, Chester County, PA, Lehigh County, PA, Monroe County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 61 km from the middle of the area, began a volume at 07:20 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 00:00Z, 7.3 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
- 52 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1925 m above ground
- 0-6 km bulk shear
- 95 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
534 WWUS71 KPHI 100719 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 319 AM EDT Thu Oct 10 2024 NJZ001-007>010-012-013-015-016-019>023-027-PAZ054-055-060>062- 101>106-102000- /O.NEW.KPHI.FR.Y.0008.241011T0400Z-241011T1300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer-Salem-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Carbon-Monroe-Berks- Lehigh-Northampton-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of New Brunswick, Washington, Trenton, Norristown, Doylestown, Millville, Kennett Square, Somerville, Chalfont, Jim Thorpe, Mount Holly, Allentown, Bethlehem, Jackson, Collegeville, Hammonton, Stroudsburg, Reading, Moorestown, Oxford, Easton, Pottstown, Flemington, Perkasie, Morrisville, Cape May Court House, Pennsville, Freehold, West Chester, Newton, Morristown, Lansdale, Wharton State Forest, and Honey Brook 319 AM EDT Thu Oct 10 2024 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT FRIDAY... * WHAT...Temperatures ranging from 34 to 37 degrees will result in areas of frost formation. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Staarmann
3 follow-up statements
054 WWUS71 KPHI 101839 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 239 PM EDT Thu Oct 10 2024 NJZ017-018-110900- /O.EXA.KPHI.FR.Y.0008.241011T0400Z-241011T1300Z/ Gloucester-Camden- Including the cities of Glassboro, Camden, and Cherry Hill 239 PM EDT Thu Oct 10 2024 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT FRIDAY... * WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Camden and Gloucester Counties. * WHEN...From midnight tonight to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Frost is likely to form in the more rural southeastern portions of Camden and Gloucester County. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ001-007>010-012-013-015-016-019>023-027-PAZ054-055-060>062- 101>106-110900- /O.CON.KPHI.FR.Y.0008.241011T0400Z-241011T1300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer-Salem-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Carbon-Monroe-Berks- Lehigh-Northampton-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Chalfont, Newton, Hammonton, Oxford, Reading, Cape May Court House, Millville, Lansdale, Perkasie, Wharton State Forest, Somerville, Morristown, Trenton, Honey Brook, Bethlehem, Pennsville, Jackson, Doylestown, Kennett Square, Washington, Flemington, Moorestown, Stroudsburg, Freehold, Collegeville, Pottstown, Morrisville, Easton, Jim Thorpe, Mount Holly, Allentown, New Brunswick, Norristown, and West Chester 239 PM EDT Thu Oct 10 2024 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT FRIDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...From midnight tonight to 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Hoeflich
865 WWUS71 KPHI 110239 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1039 PM EDT Thu Oct 10 2024 NJZ001-007>010-012-013-015-016-019>023-027-PAZ054-055-060>062- 101>106-111300- /O.CON.KPHI.FR.Y.0008.241011T0400Z-241011T1300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer-Salem-Northwestern Burlington-Ocean-Cumberland- Atlantic-Cape May-Southeastern Burlington-Carbon-Monroe-Berks- Lehigh-Northampton-Western Chester-Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of New Brunswick, Pennsville, Collegeville, Moorestown, Allentown, Stroudsburg, West Chester, Millville, Trenton, Oxford, Newton, Washington, Hammonton, Kennett Square, Somerville, Morrisville, Cape May Court House, Norristown, Mount Holly, Freehold, Bethlehem, Reading, Wharton State Forest, Perkasie, Jim Thorpe, Pottstown, Morristown, Honey Brook, Easton, Chalfont, Flemington, Jackson, Doylestown, and Lansdale 1039 PM EDT Thu Oct 10 2024 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT FRIDAY... * WHAT...Temperatures ranging from 34 to 37 degrees will result in areas of frost formation in suburban and rural areas. * WHERE...Portions of central, northern, northwest, and southern New Jersey and east central, northeast, and southeast Pennsylvania. * WHEN...Until 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ017-018-111300- /O.CON.KPHI.FR.Y.0008.241011T0400Z-241011T1300Z/ Gloucester-Camden- Including the cities of Cherry Hill, Glassboro, and Camden 1039 PM EDT Thu Oct 10 2024 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT FRIDAY... * WHAT...Temperatures ranging from 34 to 37 degrees will result in areas of frost formation in suburban and rural areas. * WHERE...Camden and Gloucester Counties. * WHEN...Until 9 AM EDT Friday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...Frost is likely to form in the more rural southeastern portions of Camden and Gloucester Counties. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Staarmann
409 WWUS71 KPHI 111257 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 857 AM EDT Fri Oct 11 2024 NJZ001-007>010-012-013-015>023-027-PAZ054-055-060>062-101>106-111400- /O.CAN.KPHI.FR.Y.0008.000000T0000Z-241011T1300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer-Salem-Gloucester-Camden-Northwestern Burlington- Ocean-Cumberland-Atlantic-Cape May-Southeastern Burlington-Carbon- Monroe-Berks-Lehigh-Northampton-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Pottstown, Newton, Bethlehem, Kennett Square, Wharton State Forest, Mount Holly, Oxford, Trenton, West Chester, Somerville, Morrisville, Glassboro, Millville, Camden, Jackson, Chalfont, New Brunswick, Easton, Cherry Hill, Cape May Court House, Perkasie, Hammonton, Pennsville, Stroudsburg, Honey Brook, Freehold, Lansdale, Reading, Norristown, Allentown, Morristown, Jim Thorpe, Collegeville, Flemington, Washington, Moorestown, and Doylestown 857 AM EDT Fri Oct 11 2024 ...FROST ADVISORY IS CANCELLED... The threat has ended. Milder temperatures expected overnight Friday into Saturday. $$ PO
Nearby
Frost Advisories in New Jersey, 2024Frost Advisories in Pennsylvania, 2024Every frost advisory in 2024
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.