Alert archive / Pennsylvania / Frost Advisories in 2007

Frost Advisory 6, NWS Philadelphia/Mount Holly

September 16, 2007Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this frost advisory at Sep 16, 2007, 4:09 AM EDT for Carbon County, Monroe County, Pennsylvania; Sussex County, New Jersey. It took effect at Sep 17, 2007, 3:00 AM EDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Sep 16, 2007, 4:09 AM EDT (08:09 UTC)
In effect from
Sep 17, 2007, 3:00 AM EDT
Expired
Sep 17, 2007, 8:00 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 08:11 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, 8.2 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 2007-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2007-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -62 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
1604 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-62 m²/s²
0-3 km storm-relative helicity
-10 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.

000 
WWUS71 KPHI 160809
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
409 AM EDT SUN SEP 16 2007

 
NJZ001-PAZ054-055-162100-
/O.NEW.KPHI.FR.Y.0006.070917T0700Z-070917T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
409 AM EDT SUN SEP 16 2007

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

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

HIGH PRESSURE OVER WESTERN PENNSYLVANIA THIS MORNING WILL CREST OVER 
OUR REGION TONIGHT. THIS HIGH WILL BRING CLEAR SKIES AND LIGHT 
WINDS. TEMPERATURES TONIGHT WILL DROP INTO THE MID 30S AND THIS 
SHOULD PRODUCE AREAS OF FROST. 

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS IN
ARE ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...
POTTED PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT
INSIDE AWAY FROM THE COLD. SENSITIVE OUTDOOR PLANTS MAY BE KILLED
IF LEFT UNCOVERED.

$$

PO/TG
3 follow-up statements
000 
WWUS71 KPHI 161841
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
241 PM EDT SUN SEP 16 2007

NJZ001-PAZ054-055-170900-
/O.CON.KPHI.FR.Y.0006.070917T0700Z-070917T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
241 PM EDT SUN SEP 16 2007

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

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

HIGH PRESSURE OVER THE MID ATLANTIC STATES WILL BRING CLEAR SKIES
AND LIGHT WINDS TONIGHT. TEMPERATURES ARE EXPECTED TO DROP INTO
THE LOWER TO MID 30S AND THIS SHOULD PRODUCE AREAS OF FROST.

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE
ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT
UNCOVERED.

$$

RPW
000 
WWUS71 KPHI 170755
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
355 AM EDT MON SEP 17 2007

NJZ001-PAZ054-055-171200-
/O.CON.KPHI.FR.Y.0006.000000T0000Z-070917T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
355 AM EDT MON SEP 17 2007

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

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

HIGH PRESSURE OVER VERMONT HAS BROUGHT CLEAR SKIES AND LIGHT WINDS
TO THE ADVISORY AREA. TEMPERATURES HAVE DROPPED AS LOW AS THE MID
30S IN THE POCONOS.   

A FROST ADVISORY IS ISSUED WHEN FROST IS EXPECTED TO DEVELOP
DURING THE GROWING SEASON. THOSE WITH AGRICULTURAL INTERESTS ARE
ADVISED TO HARVEST OR PROTECT TENDER VEGETATION. ALSO...POTTED
PLANTS NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE
AWAY FROM THE COLD. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT
UNCOVERED.

LOW TEMPERATURES TONIGHT ARE EXPECTED TO REACH THE MID 30S TO
LOWER 40S ACROSS THE AREA. SOME FROST IS POSSIBLE AGAIN, BUT IS
EXPECTED TO BE LESS WIDESPREAD THAN THIS MORNING.


$$

TFG
000 
WWUS71 KPHI 171134
NPWPHI

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
734 AM EDT MON SEP 17 2007


NJZ001-PAZ054-055-171245-
/O.EXP.KPHI.FR.Y.0006.000000T0000Z-070917T1200Z/
SUSSEX-CARBON-MONROE-
INCLUDING THE CITIES OF...NEWTON...JIM THORPE...STROUDSBURG
734 AM EDT MON SEP 17 2007

...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING...

THE FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING. 



$$

Nearby

Frost Advisories in Pennsylvania, 2007Frost Advisories in New Jersey, 2007Every frost advisory in 2007

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.