Alert archive / Pennsylvania / Frost Advisories in 2017
Frost Advisory 2, NWS Philadelphia/Mount Holly
NWS Philadelphia/Mount Holly issued this frost advisory at May 8, 2017, 3:18 PM EDT for Sussex County, Warren County, New Jersey; Berks County, Lehigh County, Northampton County, Pennsylvania. It took effect at May 9, 2017, 2:00 AM EDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- May 8, 2017, 3:18 PM EDT (19:18 UTC)
- In effect from
- May 9, 2017, 2:00 AM EDT
- Expired
- May 9, 2017, 6:09 AM EDT
- In force
- 4 hr
- Issued by
- NWS Philadelphia/Mount Holly
Counties Sussex County, NJ, Warren County, NJ, Berks County, PA, Lehigh County, PA, Northampton County, PA
The radar
The Philadelphia radar (KDIX), 117 km from the middle of the area, began a volume at 19:16 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 12:00Z, 7.3 hours before the alert went out and 206 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
- 1122 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
934 WWUS71 KPHI 081918 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 318 PM EDT Mon May 8 2017 PAZ054-055-091200- /O.NEW.KPHI.FZ.W.0002.170509T0600Z-170509T1200Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 318 PM EDT Mon May 8 2017 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Freeze Warning, which is in effect from 2 AM to 8 AM EDT Tuesday. * TEMPERATURES...Low temperatures around 30 degrees. * IMPACTS...Freezing conditions could damage sensitive outdoor vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ NJZ001-007-PAZ060>062-091200- /O.NEW.KPHI.FR.Y.0002.170509T0600Z-170509T1200Z/ Sussex-Warren-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Reading, Allentown, Bethlehem, and Easton 318 PM EDT Mon May 8 2017 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... The National Weather Service in Mount Holly has issued a Frost Advisory, which is in effect from 2 AM to 8 AM EDT Tuesday. * TEMPERATURES...Low temperatures between 32 and 35 degrees. * IMPACTS...Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$
3 follow-up statements
290 WWUS71 KPHI 090150 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 950 PM EDT Mon May 8 2017 PAZ054-055-091200- /O.CON.KPHI.FZ.W.0002.170509T0600Z-170509T1200Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 950 PM EDT Mon May 8 2017 ...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... * TEMPERATURES...Low temperatures around 30 degrees. * IMPACTS...Freezing conditions could damage sensitive outdoor vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ NJZ001-007-PAZ060>062-091200- /O.CON.KPHI.FR.Y.0002.170509T0600Z-170509T1200Z/ Sussex-Warren-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Reading, Allentown, Bethlehem, and Easton 950 PM EDT Mon May 8 2017 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT TUESDAY... * TEMPERATURES...Low temperatures between 32 and 35 degrees. * IMPACTS...Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$
894 WWUS71 KPHI 090710 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 310 AM EDT Tue May 9 2017 PAZ054-055-091200- /O.CON.KPHI.FZ.W.0002.000000T0000Z-170509T1200Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 310 AM EDT Tue May 9 2017 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...Low temperatures in the lower 30s. * IMPACTS...Freezing conditions could damage sensitive outdoor vegetation. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Freeze Warning means sub-freezing temperatures are imminent or highly likely. These conditions will kill crops and other sensitive vegetation. && $$ NJZ001-007-PAZ060>062-091200- /O.CON.KPHI.FR.Y.0002.000000T0000Z-170509T1200Z/ Sussex-Warren-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Reading, Allentown, Bethlehem, and Easton 310 AM EDT Tue May 9 2017 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * TEMPERATURES...Low temperatures in the low to mid 30s. * IMPACTS...Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Frost Advisory means that widespread frost is expected. Sensitive outdoor plants may be killed if left uncovered. && $$ MPS
075 WWUS71 KPHI 091009 NPWPHI URGENT - WEATHER MESSAGE National Weather Service Mount Holly NJ 609 AM EDT Tue May 9 2017 PAZ054-055-091115- /O.CAN.KPHI.FZ.W.0002.000000T0000Z-170509T1200Z/ Carbon-Monroe- Including the cities of Jim Thorpe and Stroudsburg 609 AM EDT Tue May 9 2017 ...FREEZE WARNING IS CANCELLED... The National Weather Service in Mount Holly has cancelled the Freeze Warning. Temperatures are just above freezing, and will continue to rise this morning. $$ NJZ001-007-PAZ060>062-091115- /O.CAN.KPHI.FR.Y.0002.000000T0000Z-170509T1200Z/ Sussex-Warren-Berks-Lehigh-Northampton- Including the cities of Newton, Washington, Reading, Allentown, Bethlehem, and Easton 609 AM EDT Tue May 9 2017 ...FROST ADVISORY IS CANCELLED... The National Weather Service in Mount Holly has cancelled the Frost Advisory. Temperatures will rise this morning, and with the sun now out, frost will melt off. $$ MPS
The office that day
Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:42 PM EDT | Special Marine Warning | PHI | 93 min | |
| May 8, 3:18 PM EDT | Freeze Warning | PHI | Carbon, Monroe | 15 hr |
Nearby
Frost Advisories in Pennsylvania, 2017Frost Advisories in New Jersey, 2017Every frost advisory 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.