Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 7, 2012Morris County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 7, 2012, 12:30 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 90 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 7, 2012, 12:30 PM EDT (16:30 UTC)
Expired
Jul 7, 2012, 2:00 PM EDT
In force
90 min
Issued by
NWS Philadelphia/Mount Holly

Counties Morris County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 127 km from the middle of the area, began a volume at 16:30 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, 4.5 hours before the alert went out and 151 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 2012-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 335 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 12:00Z on 2012-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.193958Sfc1 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
335 J/kg
Mixed-layer CIN
-291 J/kg
Mixed-layer LCL
1325 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

307 
WWUS81 KPHI 071630
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1230 PM EDT SAT JUL 7 2012

NJZ001-007-008-PAZ055-071800-
MONROE PA-MORRIS NJ-SUSSEX NJ-WARREN NJ-
1230 PM EDT SAT JUL 7 2012

...STRONG THUNDERSTORMS WILL AFFECT MONROE...MORRIS...SUSSEX AND
WARREN COUNTIES...

AT 1226 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 38 MILES NORTH OF
MONTAGUE TO 14 MILES NORTHEAST OF SCRANTON...MOVING SOUTHEAST AT 50
MPH. THE THUNDERSTORMS WILL BE NEAR SKYTOP...CANADENSIS AROUND 100
PM...ECHO LAKE...MONTAGUE AROUND 115 PM...FIVE POINTS...VERNON VALLEY
AROUND 130 PM...GREEN POND...WHITE MEADOW LAKE AROUND 145 PM AND
LINCOLN PARK AROUND 200 PM.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THE STRONGEST STORMS. THESE
STORMS HAVE THE POTENTIAL TO BECOME SEVERE. PLEASE LOOK FOR POSSIBLE 
WARNINGS. 

THESE STORMS WILL PRODUCE SMALL HAIL.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO
NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS
WHEN A THUNDERSTORM APPROACHES.

LAT...LON 4121 7437 4109 7449 4105 7449 4106 7445
      4102 7438 4101 7430 4090 7427 4090 7433
      4086 7432 4081 7434 4075 7451 4123 7546
      4126 7513 4115 7514 4115 7508 4109 7502
      4116 7491 4132 7480 4136 7469

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 5:57 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Warren63 min
Jul 7, 6:25 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset, Warren37 min
Jul 7, 6:54 PM EDTSevere Thunderstorm WarningPHIMercer, Middlesex, Monmouth, Ocean, Somerset46 min
Jul 7, 7:03 PM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester57 min
Jul 7, 7:22 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean53 min
Jul 7, 7:24 PM EDTSpecial Marine WarningPHI96 min
Jul 7, 7:42 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean63 min
Jul 7, 7:55 PM EDTSpecial Weather StatementPHIAtlantic65 min
Jul 7, 4:49 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Northampton86 min
Jul 7, 5:07 PM EDTSevere Thunderstorm WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton53 min
Jul 7, 6:58 PM EDTSevere Thunderstorm WarningPHIBerks, Chester, Delaware, Montgomery48 min

Nearby

Special Weather Statements in New Jersey, 2012Every special weather statement in 2012

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.