Alert archive / Pennsylvania / Frost Advisories in 2022
Frost Advisory 4, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at Oct 8, 2022, 3:39 AM EDT for 8 counties in Pennsylvania; Hunterdon County, Sussex County, Warren County, New Jersey. It took effect at Oct 9, 2022, 12:00 AM EDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Oct 8, 2022, 3:39 AM EDT (07:39 UTC)
- In effect from
- Oct 9, 2022, 12:00 AM EDT
- Expired
- Oct 9, 2022, 8:00 AM EDT
- In force
- 8 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Hunterdon 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), 109 km from the middle of the area, began a volume at 07:39 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, 7.7 hours before the alert went out and 210 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
- 40 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1511 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
845 WWUS71 KPHI 080739 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 339 AM EDT Sat Oct 8 2022 NJZ001-007-PAZ054-055-082045- /O.NEW.KPHI.FR.Y.0004.221009T0400Z-221009T1200Z/ Sussex-Warren-Carbon-Monroe- Including the cities of Newton, Washington, Jim Thorpe, and Stroudsburg 339 AM EDT Sat Oct 8 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, Carbon and Monroe. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ Johnson
4 follow-up statements
422 WWUS71 KPHI 081634 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 1234 PM EDT Sat Oct 8 2022 NJZ009-PAZ060>062-101-103-105-090600- /O.EXA.KPHI.FR.Y.0004.221009T0400Z-221009T1200Z/ Hunterdon-Berks-Lehigh-Northampton-Western Chester- Western Montgomery-Upper Bucks- Including the cities of Flemington, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 1234 PM EDT Sat Oct 8 2022 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...In New Jersey, Hunterdon. In Pennsylvania, Berks, Lehigh, Northampton, Western Chester, Western Montgomery and Upper Bucks. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ NJZ001-007-PAZ054-055-090600- /O.CON.KPHI.FR.Y.0004.221009T0400Z-221009T1200Z/ Sussex-Warren-Carbon-Monroe- Including the cities of Newton, Washington, Jim Thorpe, and Stroudsburg 1234 PM EDT Sat Oct 8 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...In New Jersey, Sussex and Warren. In Pennsylvania, Carbon and Monroe. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
612 WWUS71 KPHI 081916 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 316 PM EDT Sat Oct 8 2022 NJZ001-007-009-PAZ054-055-060>062-101-103-105-091000- /O.CON.KPHI.FR.Y.0004.221009T0400Z-221009T1200Z/ Sussex-Warren-Hunterdon-Carbon-Monroe-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 316 PM EDT Sat Oct 8 2022 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM EDT SUNDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Portions of northern New Jersey and southeast Pennsylvania. * WHEN...From midnight tonight to 8 AM EDT Sunday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ MPS
944 WWUS71 KPHI 090530 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 130 AM EDT Sun Oct 9 2022 NJZ001-007-009-PAZ054-055-060>062-101-103-105-091200- /O.CON.KPHI.FR.Y.0004.000000T0000Z-221009T1200Z/ Sussex-Warren-Hunterdon-Carbon-Monroe-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 130 AM EDT Sun Oct 9 2022 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures as low as 30 will result in frost formation. * WHERE...Portions of northern and northwest New Jersey and east central, northeast and southeast Pennsylvania. * WHEN...Until 8 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. && $$ Johnson
226 WWUS71 KPHI 091158 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 758 AM EDT Sun Oct 9 2022 NJZ001-007-009-PAZ054-055-060>062-101-103-105-091300- /O.EXP.KPHI.FR.Y.0004.000000T0000Z-221009T1200Z/ Sussex-Warren-Hunterdon-Carbon-Monroe-Berks-Lehigh-Northampton- Western Chester-Western Montgomery-Upper Bucks- Including the cities of Newton, Washington, Flemington, Jim Thorpe, Stroudsburg, Reading, Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, Pottstown, Chalfont, and Perkasie 758 AM EDT Sun Oct 9 2022 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... It is after sunrise, and temperatures continue to warm into the upper 30s. Therefore, the Frost Advisory will expire at 8 am. $$ MPS
Nearby
Frost Advisories in Pennsylvania, 2022Frost Advisories in New Jersey, 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.