Alert archive / New Jersey / Frost Advisories in 2017

Frost Advisory 5, NWS Philadelphia/Mount Holly

October 16, 20174 counties in New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at Oct 16, 2017, 2:47 PM EDT for 4 counties in New Jersey. It took effect at Oct 18, 2017, 1:00 AM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Oct 16, 2017, 2:47 PM EDT (18:47 UTC)
In effect from
Oct 18, 2017, 1:00 AM EDT
Expired
Oct 18, 2017, 9:00 AM EDT
In force
8 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Cumberland County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 41 km from the middle of the area, began a volume at 18:50 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 12:00Z, 6.8 hours before the alert went out and 200 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.

Skew-T log-pSkew-T log-p diagram, Wallops Is Stn, VA at 12:00Z on 2017-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Wallops Is Stn, VA at 12:00Z on 2017-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
771 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS71 KPHI 161847
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
247 PM EDT Mon Oct 16 2017

...The first frost advisories of the fall are in effect for portions
of the eastern Pennsylvania and New Jersey countryside...

.A seasonably cool airmass has finally arrived in the mid Atlantic
states, briefly interrupting an unseasonably long stretch of very
warm weather that has the first 15 days of October averaging 8 to
10 degrees above normal. Tonight should be the colder of the next
two overnights in eastern Pennsylvania and northern New Jersey. 
For southeastern New Jersey, the colder of the two nights should 
occur late Tuesday night into early Wednesday morning. 


NJZ021-022-027-170915-
/O.NEW.KPHI.FR.Y.0005.171018T0500Z-171018T1300Z/
Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Millville, Hammonton, 
and Wharton State Forest
247 PM EDT Mon Oct 16 2017

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT WEDNESDAY...

The National Weather Service in Mount Holly has issued a Frost
Advisory, which is in effect from 1 AM to 9 AM EDT Wednesday.

* Locations...Features the Pine Barren region of southeastern New
  Jersey. 

* LOW TEMPERATURES...Mostly in the lower to mid 30s.

* TIMING...early Wednesday morning. 

* IMPACTS...Sensitive plants may be killed by frost or even
  freezing temperatures of around 32 degrees.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is 
expected. Sensitive outdoor plants may be killed if left 
uncovered.

&&

$$

PAZ060-101-103-170915-
/O.EXA.KPHI.FR.Y.0004.171017T0800Z-171017T1300Z/
Berks-Western Chester-Western Montgomery-
Including the cities of Reading, Honey Brook, Oxford, 
Collegeville, and Pottstown
247 PM EDT Mon Oct 16 2017

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM EDT TUESDAY...

The National Weather Service in Mount Holly has issued a Frost
Advisory, which is in effect from 4 AM to 9 AM EDT Tuesday.

* Locations...portions of southeastern Pennsylvania, from near
  Reading to Philadelphia's distant western suburbs. 

* LOW TEMPERATURES...Mostly in the lower to mid 30s.

* TIMING...Late tonight into Tuesday morning.

* IMPACTS...Sensitive plants may be killed by frost or even
  freezing temperatures of around 32 degrees.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$

NJZ001-007-008-PAZ054-055-170915-
/O.CON.KPHI.FR.Y.0004.171017T0600Z-171017T1300Z/
Sussex-Warren-Morris-Carbon-Monroe-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, and Stroudsburg
247 PM EDT Mon Oct 16 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 9 AM EDT
TUESDAY...

* Locations...northeast Pennsylvania and northwest New Jersey near
  and north of Interstate 80. 

* LOW TEMPERATURES...Mostly 30 to 35 degrees.

* TIMING...Late tonight into Tuesday morning.

* IMPACTS...Sensitive plants may be killed by frost or freezing 
  temperatures of 30 to 32 degrees.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a widespread frost is expected. 
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

NJZ009-010-PAZ061-062-105-170915-
/O.CON.KPHI.FR.Y.0004.171017T0800Z-171017T1300Z/
Hunterdon-Somerset-Lehigh-Northampton-Upper Bucks-
Including the cities of Flemington, Somerville, Allentown, 
Bethlehem, Easton, Chalfont, and Perkasie
247 PM EDT Mon Oct 16 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM EDT
TUESDAY...

* LOCATIONS...North central New Jersey into the Lehigh Valley of
  east central Pennsylvania. 

* LOW TEMPERATURES...Mostly in the lower to mid 30s.

* TIMING...Late tonight into Tuesday morning.

* IMPACTS...Sensitive plants may be killed by frost or freezing 
  temperatures of 30 to 32 degrees.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$
5 follow-up statements
678 
WWUS71 KPHI 170652
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
252 AM EDT Tue Oct 17 2017

NJZ001-007-008-PAZ054-055-171300-
/O.CON.KPHI.FR.Y.0004.000000T0000Z-171017T1300Z/
Sussex-Warren-Morris-Carbon-Monroe-
Including the cities of Newton, Washington, Morristown, 
Jim Thorpe, and Stroudsburg
252 AM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* Locations...northeast Pennsylvania and northwest New Jersey 
  near and north of Interstate 80.

* LOW TEMPERATURES...Low to mid 30s.

* TIMING...This morning.

* IMPACTS...Sensitive plants may be killed by frost|.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

NJZ009-010-PAZ060>062-101-103-105-171300-
/O.CON.KPHI.FR.Y.0004.171017T0800Z-171017T1300Z/
Hunterdon-Somerset-Berks-Lehigh-Northampton-Western Chester-
Western Montgomery-Upper Bucks-
Including the cities of Flemington, Somerville, Reading, 
Allentown, Bethlehem, Easton, Honey Brook, Oxford, Collegeville, 
Pottstown, Chalfont, and Perkasie
252 AM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...North central New Jersey into the Lehigh Valley of 
  east central Pennsylvania.

* LOW TEMPERATURES...Low to mid 30s.

* TIMING...This morning.

* IMPACTS...Sensitive plants may be killed by frost.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$

NJZ021-022-027-172100-
/O.CON.KPHI.FR.Y.0005.171018T0500Z-171018T1300Z/
Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Millville, Hammonton, 
and Wharton State Forest
252 AM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT
WEDNESDAY...

* Locations...Portions of the Pine Barren region of southeastern 
  New Jersey.

* LOW TEMPERATURES...Low to mid 30s.

* TIMING...Early Wednesday morning.

* IMPACTS...Sensitive plants may be killed by frost.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$
776 
WWUS71 KPHI 171335
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
935 AM EDT Tue Oct 17 2017

NJZ021-022-027-180300-
/O.CON.KPHI.FR.Y.0005.171018T0500Z-171018T1300Z/
Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Millville, Hammonton, 
and Wharton State Forest
935 AM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT
WEDNESDAY...

* Locations...Portions of the Pine Barren region of southeastern 
  New Jersey.

* LOW TEMPERATURES...Low to mid 30s.

* TIMING...Early Wednesday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$
089 
WWUS71 KPHI 171918
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
318 PM EDT Tue Oct 17 2017

NJZ020-181245-
/O.EXA.KPHI.FR.Y.0005.171018T0500Z-171018T1300Z/
Ocean-
Including the city of Jackson
318 PM EDT Tue Oct 17 2017

...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT WEDNESDAY...

The National Weather Service in Mount Holly has issued a Frost
Advisory, which is in effect from 1 AM to 9 AM EDT Wednesday. 

* Locations...western Ocean County New Jersey

* LOW TEMPERATURES...Low to mid 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.


&&

$$

NJZ021-022-027-181245-
/O.CON.KPHI.FR.Y.0005.171018T0500Z-171018T1300Z/
Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Millville, Hammonton, 
and Wharton State Forest
318 PM EDT Tue Oct 17 2017

...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM EDT
WEDNESDAY...

* Locations...Portions of the Pine Barren region of southeastern 
  New Jersey.

* LOW TEMPERATURES...Low to mid 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$
429 
WWUS71 KPHI 180709
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
309 AM EDT Wed Oct 18 2017

NJZ020>022-027-181300-
/O.CON.KPHI.FR.Y.0005.000000T0000Z-171018T1300Z/
Ocean-Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Jackson, Millville, Hammonton, 
and Wharton State Forest
309 AM EDT Wed Oct 18 2017

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* Locations...Portions of the Pine Barren region of southeastern 
  New Jersey.

* LOW TEMPERATURES...Mid 30s.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that a fairly widespread frost is
expected. Sensitive outdoor plants may be killed if left
uncovered.

&&

$$

MPS
622 
WWUS71 KPHI 181327
NPWPHI

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
927 AM EDT Wed Oct 18 2017


NJZ020>022-027-181430-
/O.EXP.KPHI.FR.Y.0005.000000T0000Z-171018T1300Z/
Ocean-Cumberland-Atlantic-Southeastern Burlington-
Including the cities of Jackson, Millville, Hammonton, 
and Wharton State Forest
927 AM EDT Wed Oct 18 2017

...FROST ADVISORY HAS EXPIRED...

Temperatures have quickly risen from the mid 30s to the mid 50s in
the first few hours of the sunlight. Any frost that formed early
this morning has since melted.

$$
JRK

Nearby

Frost 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.