Alert archive / New Jersey / Frost Advisories in 2013

Frost Advisory 14, NWS Philadelphia/Mount Holly

October 27, 20135 counties in New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at Oct 27, 2013, 6:05 PM EDT for 5 counties in New Jersey. It took effect at Oct 28, 2013, 4:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Oct 27, 2013, 6:05 PM EDT (22:05 UTC)
In effect from
Oct 28, 2013, 4:00 AM EDT
Expired
Oct 28, 2013, 9:00 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Cape May County, NJ, Middlesex County, NJ, Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 14 km from the middle of the area, began a volume at 22:06 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, 10.1 hours before the alert went out and 178 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, Brookhaven, NY at 12:00Z on 2013-10-27Temperature 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, Brookhaven, NY at 12:00Z on 2013-10-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
1335 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

894 
WWUS71 KPHI 272205
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
605 PM EDT SUN OCT 27 2013
 
NJZ012-013-020-022-023-281300-
/O.NEW.KPHI.FR.Y.0014.131028T0800Z-131028T1300Z/
MIDDLESEX-WESTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
INCLUDING THE CITIES OF...NEW BRUNSWICK...FREEHOLD...JACKSON...
HAMMONTON...CAPE MAY COURT HOUSE
605 PM EDT SUN OCT 27 2013

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM EDT MONDAY.

* TEMPERATURES...MAINLY IN THE MID 30S TOWARD MORNING.

* TIMING...THE LIKELIHOOD FOR FROST AND NEAR FREEZING TEMPERATURES
  WILL INCREASE AS WE APPROACH SUNRISE ON MONDAY MORNING.

* IMPACTS...PROTECTIVE MEASURES MUST BE TAKEN TO PROLONG THE
  GROWING SEASON FOR SENSITIVE CROPS AND FLOWERS. THEY WILL
  LIKELY BE DAMAGED WITHOUT THESE MEASURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED. IF NOT DONE SO ALREADY
BRING IN ANY PLANTS YOU WANT TO SURVIVE THE COLD SEASON.

&&

$$

TG/LN
1 follow-up statement
871 
WWUS71 KPHI 281256
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
856 AM EDT MON OCT 28 2013

NJZ012-013-020-022-023-281400-
/O.EXP.KPHI.FR.Y.0014.000000T0000Z-131028T1300Z/
MIDDLESEX-WESTERN MONMOUTH-OCEAN-ATLANTIC-CAPE MAY-
INCLUDING THE CITIES OF...NEW BRUNSWICK...FREEHOLD...JACKSON...
HAMMONTON...CAPE MAY COURT HOUSE
856 AM EDT MON OCT 28 2013

...FROST ADVISORY WILL EXPIRE AT 9 AM EDT THIS MORNING...

TEMPERATURES WILL CONTINUE TO RISE AND THEREFORE THE FROST
ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

GORSE

Nearby

Frost Advisories in New Jersey, 2013Every frost advisory in 2013

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.