Alert archive / Pennsylvania / Frost Advisories in 2011

Frost Advisory 3, NWS Philadelphia/Mount Holly

May 5, 2011Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at May 5, 2011, 3:49 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at May 6, 2011, 2:00 AM EDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
May 5, 2011, 3:49 AM EDT (07:49 UTC)
In effect from
May 6, 2011, 2:00 AM EDT
Expired
May 6, 2011, 7:39 AM EDT
In force
6 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 07:50 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

Brookhaven, NY (KOKX), launched 00:00Z, 7.8 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 2011-05-05Temperature 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 2011-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -231 square meters per square second.1939587897117136Sfc1 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
616 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-231 m²/s²
0-3 km storm-relative helicity
-161 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.

627 
WWUS71 KPHI 050749
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
349 AM EDT THU MAY 5 2011

NJZ001-PAZ054-055-052000-
/O.NEW.KPHI.FR.Y.0003.110506T0600Z-110506T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
349 AM EDT THU MAY 5 2011

...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY...

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY. 

* LOCATIONS...THE SOUTHERN POCONOS OF NORTHEAST PENNSYLVANIA AND
  SUSSEX COUNTY NEW JERSEY. 

* HAZARDS...AREAS OF FROST. 

* TEMPERATURES...BETWEEN 32 AND 35 DEGREES. 

* TIMING...FROM 2 AM UNTIL 8 AM FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
3 follow-up statements
273 
WWUS71 KPHI 051944
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
344 PM EDT THU MAY 5 2011

NJZ001-PAZ054-055-061200-
/O.CON.KPHI.FR.Y.0003.110506T0600Z-110506T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
344 PM EDT THU MAY 5 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT
FRIDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT FRIDAY. 

* LOCATIONS...THE SOUTHERN POCONOS OF NORTHEAST PENNSYLVANIA AND 
  SUSSEX COUNTY NEW JERSEY. 

* HAZARDS...AREAS OF FROST.

* TEMPERATURES...BETWEEN 32 AND 35 DEGREES.

* TIMING...FROM 2 AM UNTIL 8 AM FRIDAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
935 
WWUS71 KPHI 060708
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
308 AM EDT FRI MAY 6 2011

NJZ001-PAZ054-055-061200-
/O.CON.KPHI.FR.Y.0003.000000T0000Z-110506T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
308 AM EDT FRI MAY 6 2011

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

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

* LOCATIONS...THE SOUTHERN POCONOS OF NORTHEAST PENNSYLVANIA AND 
SUSSEX COUNTY NEW JERSEY.

* HAZARDS...AREAS OF FROST.

* TEMPERATURES...BETWEEN 30 AND 35 DEGREES.

* TIMING...UNTIL 8 AM TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$
718 
WWUS71 KPHI 061139
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
739 AM EDT FRI MAY 6 2011

NJZ001-PAZ054-055-061245-
/O.CAN.KPHI.FR.Y.0003.000000T0000Z-110506T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
739 AM EDT FRI MAY 6 2011

...FROST ADVISORY IS CANCELLED...

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

TEMPERATURES ACROSS THE REGION CONTINUE TO RISE AFTER A CHILLY
START. THEREFORE, THE FROST ADVISORY HAS BEEN CANCELLED.

$$

GORSE

Nearby

Frost Advisories in Pennsylvania, 2011Frost Advisories in New Jersey, 2011Every frost advisory in 2011

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.