Alert archive / New Jersey / Frost Advisories in 2019
Frost Advisory 3, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 18, 2019, 3:16 AM EDT for 12 counties in New Jersey; 6 counties in Pennsylvania; Cecil County, Maryland. It took effect at Oct 19, 2019, 2:00 AM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Oct 18, 2019, 3:16 AM EDT (07:16 UTC)
- In effect from
- Oct 19, 2019, 2:00 AM EDT
- Expired
- Oct 19, 2019, 9:00 AM EDT
- In force
- 7 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Cecil County, MD, Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Hunterdon County, NJ, Mercer County, NJ, Middlesex County, NJ, Monmouth County, NJ, Morris County, NJ, Ocean County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ, Berks County, PA, Bucks County, PA, Chester County, PA, Lehigh County, PA, Montgomery County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 62 km from the middle of the area, began a volume at 07:18 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 190 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
- 1173 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 292 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
500 WWUS71 KPHI 180716 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 316 AM EDT Fri Oct 18 2019 NJZ001-007>010-PAZ060>062-103-105-182030- /O.NEW.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ Sussex-Warren-Morris-Hunterdon-Somerset-Berks-Lehigh-Northampton- Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Morristown, Flemington, Somerville, Reading, Allentown, Bethlehem, Easton, Collegeville, Pottstown, Chalfont, and Perkasie 316 AM EDT Fri Oct 18 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Temperatures dropping into the mid 30s Friday night into early Saturday will result in frost formation. * WHERE...In New Jersey, Sussex, Warren, Morris, Hunterdon and Somerset Counties. In Pennsylvania, Berks, Lehigh, Northampton, Western Montgomery and Upper Bucks Counties. * WHEN...From 2 AM to 9 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. && $$ Fitzsimmons
4 follow-up statements
457 WWUS71 KPHI 181945 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 345 PM EDT Fri Oct 18 2019 NJZ001-190845- /O.UPG.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ /O.NEW.KPHI.FZ.W.0002.191019T0600Z-191019T1300Z/ Sussex- Including the city of Newton 345 PM EDT Fri Oct 18 2019 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Near freezing temperatures as low as 32 expected. * WHERE...Sussex County. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions are expected to kill or damage crops and other sensitive vegetation left outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Sensitive vegetation left outside is likely to be killed or damaged due to the cold temperatures. && $$ MDZ008-NJZ012-013-019>022-027-PAZ101-102-190845- /O.EXA.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ Cecil-Middlesex-Western Monmouth-Northwestern Burlington-Ocean- Cumberland-Atlantic-Southeastern Burlington-Western Chester- Eastern Chester- Including the cities of Elkton, New Brunswick, Freehold, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Honey Brook, Oxford, West Chester, and Kennett Square 345 PM EDT Fri Oct 18 2019 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Temperatures dropping into the mid 30s Friday night into early Saturday will result in frost formation. * WHERE...In New Jersey, Middlesex, Western Monmouth, Northwestern Burlington, Ocean, Cumberland, Atlantic and Southeastern Burlington Counties. In Pennsylvania, Western Chester and Eastern Chester Counties. In Maryland, Cecil County. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost could kill or damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Damage to sensitive vegetation is possible tonight. && $$ NJZ007>010-PAZ060>062-103-105-190845- /O.CON.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ Warren-Morris-Hunterdon-Somerset-Berks-Lehigh-Northampton- Western Montgomery-Upper Bucks- Including the cities of Washington, Morristown, Flemington, Somerville, Reading, Allentown, Bethlehem, Easton, Collegeville, Pottstown, Chalfont, and Perkasie 345 PM EDT Fri Oct 18 2019 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT SATURDAY... * WHAT...Temperatures dropping into the mid 30s Friday night into early Saturday will result in frost formation. * WHERE...In New Jersey, Sussex, Warren, Morris, Hunterdon and Somerset Counties. In Pennsylvania, Berks, Lehigh, Northampton, Western Montgomery and Upper Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost could kill or damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Damage to sensitive vegetation is possible tonight. && $$ JEO
574 WWUS71 KPHI 190421 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1221 AM EDT Sat Oct 19 2019 NJZ001-191300- /O.CON.KPHI.FZ.W.0002.191019T0600Z-191019T1300Z/ Sussex- Including the city of Newton 1221 AM EDT Sat Oct 19 2019 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Near freezing temperatures as low as 32 expected. * WHERE...Sussex County. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions are expected to kill or damage crops and other sensitive vegetation left outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Sensitive vegetation left outside is likely to be killed or damaged due to the cold temperatures. && $$ NJZ015-PAZ104-106-191300- /O.EXA.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ Mercer-Eastern Montgomery-Lower Bucks- Including the cities of Trenton, Norristown, Lansdale, Morrisville, and Doylestown 1221 AM EDT Sat Oct 19 2019 ...FROST ADVISORY IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures dropping into the mid 30s Friday night into early Saturday will result in frost formation. * WHERE...In New Jersey, Mercer County. In Pennsylvania, Eastern Montgomery and Lower Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost could kill or damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MDZ008-NJZ007>010-012-013-019>022-027-PAZ060>062-101>103-105- 191300- /O.CON.KPHI.FR.Y.0003.191019T0600Z-191019T1300Z/ Cecil-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Berks-Lehigh-Northampton-Western Chester- Eastern Chester-Western Montgomery-Upper Bucks- Including the cities of Elkton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, 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 1221 AM EDT Sat Oct 19 2019 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures dropping into the mid 30s Friday night into early Saturday will result in frost formation. * WHERE...In New Jersey, Sussex, Warren, Morris, Hunterdon and Somerset Counties. In Pennsylvania, Berks, Lehigh, Northampton, Western Montgomery and Upper Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost could kill or damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Damage to sensitive vegetation is possible tonight. && $$ MPS
726 WWUS71 KPHI 190719 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 319 AM EDT Sat Oct 19 2019 NJZ001-191300- /O.CON.KPHI.FZ.W.0002.000000T0000Z-191019T1300Z/ Sussex- Including the city of Newton 319 AM EDT Sat Oct 19 2019 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Near freezing temperatures as low as 32 expected. * WHERE...Sussex County. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost and freeze conditions are expected to kill or damage crops and other sensitive vegetation left outdoors. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Sensitive vegetation left outside is likely to be killed or damaged due to the cold temperatures. && $$ MDZ008-NJZ007>010-012-013-015-019>022-027-PAZ060>062-101>106- 191300- /O.CON.KPHI.FR.Y.0003.000000T0000Z-191019T1300Z/ Cecil-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Berks-Lehigh-Northampton-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Elkton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 319 AM EDT Sat Oct 19 2019 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING... * WHAT...Temperatures dropping into the mid 30s early this morning will result in frost formation. * WHERE...In New Jersey, Sussex, Warren, Morris, Hunterdon and Somerset Counties. In Pennsylvania, Berks, Lehigh, Northampton, Western Montgomery and Upper Bucks Counties. * WHEN...From 2 AM to 9 AM EDT Saturday. * IMPACTS...Frost could kill or damage sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. Damage to sensitive vegetation is possible tonight. && $$ MPS
340 WWUS71 KPHI 191255 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 855 AM EDT Sat Oct 19 2019 NJZ001-191400- /O.EXP.KPHI.FZ.W.0002.000000T0000Z-191019T1300Z/ Sussex- Including the city of Newton 855 AM EDT Sat Oct 19 2019 ...FREEZE WARNING WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will slowly increase through the morning. Therefore, the freeze warning will expire at 9 AM. Minimum temperatures early this morning dropped to 32 degrees or lower for the majority of both Sussex and Warren Counties in New Jersey, thus, the growing season has ended. This terminates the Autumn Frost/Freeze Program for these two counties. Frost Advisories or Freeze Warnings will no longer be issued for both Sussex and Warren Counties for the remainder of 2019. $$ MDZ008-NJZ007>010-012-013-015-019>022-027-PAZ060>062-101>106- 191400- /O.EXP.KPHI.FR.Y.0003.000000T0000Z-191019T1300Z/ Cecil-Warren-Morris-Hunterdon-Somerset-Middlesex-Western Monmouth- Mercer-Northwestern Burlington-Ocean-Cumberland-Atlantic- Southeastern Burlington-Berks-Lehigh-Northampton-Western Chester- Eastern Chester-Western Montgomery-Eastern Montgomery-Upper Bucks- Lower Bucks- Including the cities of Elkton, Washington, Morristown, Flemington, Somerville, New Brunswick, Freehold, Trenton, Moorestown, Mount Holly, Jackson, Millville, Hammonton, Wharton State Forest, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, West Chester, Kennett Square, Collegeville, Pottstown, Norristown, Lansdale, Chalfont, Perkasie, Morrisville, and Doylestown 855 AM EDT Sat Oct 19 2019 ...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING... Temperatures will slowly increase through the morning. Therefore, the freeze warning will expire at 9 AM. $$
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 3:12 AM EDT | Small Craft Advisory | PHI | 11 hr | |
| Oct 18, 3:45 PM EDT | Freeze Warning | PHI | Sussex | 17 hr |
Nearby
Frost Advisories in New Jersey, 2019Frost Advisories in Pennsylvania, 2019Frost Advisories in Maryland, 2019Every frost advisory 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.