Alert archive / New Jersey / Frost Advisories in 2016

Frost Advisory 6, NWS Philadelphia/Mount Holly

April 20, 20167 counties in New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at Apr 20, 2016, 3:10 PM EDT for 7 counties in New Jersey. It took effect at Apr 21, 2016, 3:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 20, 2016, 3:10 PM EDT (19:10 UTC)
In effect from
Apr 21, 2016, 3:00 AM EDT
Expired
Apr 21, 2016, 7:51 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Hunterdon County, NJ, Morris County, NJ, Ocean County, NJ, Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 53 km from the middle of the area, began a volume at 19:10 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.2 hours before the alert went out and 158 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-04-20Temperature 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, Phillips Aaf/Abe, MD at 12:00Z on 2016-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939587897Sfc1 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
2634 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

118 
WWUS71 KPHI 201910
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
310 PM EDT WED APR 20 2016


NJZ001-007>009-020-022-027-210900-
/O.NEW.KPHI.FR.Y.0006.160421T0700Z-160421T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-OCEAN-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...JACKSON...HAMMONTON...WHARTON STATE FOREST
310 PM EDT WED APR 20 2016

...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM EDT THURSDAY.

* LOCATIONS...A SMALL PORTION OF NORTHEAST PENNSYLVANIA INTO FAR
  NORTHWEST NEW JERSEY AND THE TYPICALLY COLD SPOTS OF OCEAN
  BURLINGTON AND ATLANTIC COUNTIES IN EASTERN NEW JERSEY.

* TEMPERATURES...LOWS 30 TO 35 IN PORTIONS OF THESE COUNTIES NEAR
  6 AM THURSDAY.

* TIMING...TEMPERATURES RISE RAPIDLY AFTER SUNRISE SO THAT ANY
  RISK OF FROST IS PROBABLY ENDED BY AROUND 7AM OR SHORTLY AFTER.

* IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT
  PROTECTED OR BROUGHT INSIDE.


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
105 
WWUS71 KPHI 210011
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
811 PM EDT WED APR 20 2016

NJZ001-007>009-020-022-027-211000-
/O.CON.KPHI.FR.Y.0006.160421T0700Z-160421T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-OCEAN-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...JACKSON...HAMMONTON...WHARTON STATE FOREST
811 PM EDT WED APR 20 2016

...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM EDT
THURSDAY...

* TEMPERATURES...DROPPING TO 30 TO 35 DEGREES EARLY THURSDAY
  MORNING.

* IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN WIDESPREAD FROST IS EXPECTED TO
DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL OR
GARDENING INTERESTS IN THE ADVISORY AREA SHOULD PROTECT SENSITIVE
PLANTS AND CROPS. POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE.

&&

$$
878 
WWUS71 KPHI 210744
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
344 AM EDT THU APR 21 2016


NJZ001-007>009-020-022-027-211200-
/O.CON.KPHI.FR.Y.0006.000000T0000Z-160421T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-OCEAN-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...JACKSON...HAMMONTON...WHARTON STATE FOREST
344 AM EDT THU APR 21 2016

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING...

* TEMPERATURES...IN THE UPPER 30S.

* IMPACTS...SENSITIVE PLANTS COULD BE DAMAGED OR KILLED IF NOT 
  PROTECTED OR BROUGHT INSIDE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN WIDESPREAD FROST IS EXPECTED TO
DEVELOP DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL OR
GARDENING INTERESTS IN THE ADVISORY AREA SHOULD PROTECT SENSITIVE
PLANTS AND CROPS. POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE
COVERED OR BROUGHT INSIDE.

&&

$$

SFJ
599 
WWUS71 KPHI 211151
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
751 AM EDT THU APR 21 2016


NJZ001-007>009-020-022-027-211300-
/O.CAN.KPHI.FR.Y.0006.000000T0000Z-160421T1200Z/
SUSSEX-WARREN-MORRIS-HUNTERDON-OCEAN-ATLANTIC-
SOUTHEASTERN BURLINGTON-
INCLUDING THE CITIES OF...NEWTON...WASHINGTON...MORRISTOWN...
FLEMINGTON...JACKSON...HAMMONTON...WHARTON STATE FOREST
751 AM EDT THU APR 21 2016

...FROST ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS CANCELLED THE
FROST ADVISORY.

AREAS OF FROST OR FREEZING TEMPERATURES NEAR 30 DEGREES OCCURRED
EARLIER THIS MORNING ACROSS NORTHEAST PENNSYLVANIA, NORTHWEST NEW
JERSEY AND PARTS OF COASTAL EASTERN NEW JERSEY.

A VERY RAPID WARMUP IS IN PROGRESS UNDER SUNNY SKIES. HIGHS 
WILL BE 70 AND 75 DEGREES THIS AFTERNOON.

$$

DRAG

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 3:19 PM EDTFire Weather WatchPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Middlesex and 6 more12 hr

Nearby

Frost Advisories in New Jersey, 2016Every frost advisory in 2016

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.