Alert archive / Pennsylvania / Frost Advisories in 2014

Frost Advisory 4, NWS Philadelphia/Mount Holly

May 6, 2014Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at May 6, 2014, 3:30 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at May 7, 2014, 3:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
May 6, 2014, 3:30 AM EDT (07:30 UTC)
In effect from
May 7, 2014, 3:00 AM EDT
Expired
May 7, 2014, 7:48 AM EDT
In force
5 hr
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Carbon County, PA, Monroe County, PA

The radar

The Philadelphia radar (KDIX), 140 km from the middle of the area, began a volume at 07:29 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, 7.5 hours before the alert went out and 201 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 00:00Z on 2014-05-06Temperature 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 00:00Z on 2014-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
2386 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
55 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.

781 
WWUS71 KPHI 060730
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
330 AM EDT TUE MAY 6 2014

NJZ001-PAZ054-055-062100-
/O.NEW.KPHI.FR.Y.0004.140507T0700Z-140507T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
330 AM EDT TUE MAY 6 2014

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

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

* TEMPERATURES...LOW TEMPERATURES DROPPING INTO THE LOW TO MID 30S
  BY WEDNESDAY MORNING. 

* IMPACTS...POTENTIAL DAMAGE TO SENSITIVE OR EARLY-BLOOMING 
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN 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.

&&

$$
2 follow-up statements
086 
WWUS71 KPHI 061911
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
311 PM EDT TUE MAY 6 2014

NJZ001-PAZ054-055-071200-
/O.CON.KPHI.FR.Y.0004.140507T0700Z-140507T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
311 PM EDT TUE MAY 6 2014

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

* TEMPERATURES...IN THE LOW TO MID 30S. 

* IMPACTS...POTENTIAL DAMAGE TO SENSITIVE OR EARLY-BLOOMING 
  VEGETATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY IS ISSUED WHEN 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.

&&

$$
003 
WWUS71 KPHI 071148
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
748 AM EDT WED MAY 7 2014


NJZ001-PAZ054-055-071300-
/O.CAN.KPHI.FR.Y.0004.000000T0000Z-140507T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
748 AM EDT WED MAY 7 2014

...FROST ADVISORY IS CANCELLED...

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

THE THREAT FOR FROST HAS ENDED.

$$

Nearby

Frost Advisories in Pennsylvania, 2014Frost Advisories in New Jersey, 2014Every frost advisory in 2014

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.