Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 15, 2012Hunterdon County, Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 15, 2012, 7:44 PM EDT for Hunterdon County, Somerset County, New Jersey. It was in force for 61 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 15, 2012, 7:44 PM EDT (23:44 UTC)
Expired
Jul 15, 2012, 8:45 PM EDT
In force
61 min
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 72 km from the middle of the area, began a volume at 23:44 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, 11.7 hours before the alert went out and 160 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 2012-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 88 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 2012-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
88 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
912 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
97 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.

714 
WWUS81 KPHI 152344
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
744 PM EDT SUN JUL 15 2012

NJZ007-009-010-PAZ061-062-069-160045-
BUCKS PA-HUNTERDON NJ-LEHIGH PA-NORTHAMPTON PA-SOMERSET NJ-WARREN NJ-
744 PM EDT SUN JUL 15 2012

...STRONG THUNDERSTORMS WILL AFFECT BUCKS...HUNTERDON...LEHIGH...
NORTHAMPTON...SOMERSET AND WARREN COUNTIES...

AT 740 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES EAST OF
EASTON TO 3 MILES SOUTH OF ALLENTOWN...MOVING EAST AT 45 MPH. THE
THUNDERSTORMS WILL BE NEAR SPRINGTOWN...PLEASANT VALLEY...HAMPTON...
RIEGELSVILLE AROUND 750 PM...CALIFON AROUND 755 PM...REVERE...
OTTSVILLE...BEDMINSTER...FERNDALE AROUND 800 PM AND PIPERSVILLE
AROUND 805 PM.

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS.

LAT...LON 4060 7446 4057 7452 4054 7450 4045 7457
      4038 7473 4042 7475 4042 7480 4039 7480
      4037 7487 4034 7486 4034 7494 4048 7549
      4080 7517 4076 7485 4072 7473 4074 7465
      4072 7453 4065 7452 4067 7446 4066 7441

$$

FORECASTER: AMC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 3:44 PM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Hunterdon, Mercer, Morris and 1 more4 days
Jul 15, 4:01 PM EDTSpecial Weather StatementPHIMercer59 min
Jul 15, 4:59 PM EDTSpecial Weather StatementPHIOcean61 min
Jul 15, 6:10 PM EDTSpecial Marine WarningPHI65 min
Jul 15, 6:54 PM EDTSpecial Marine WarningPHI24 min
Jul 15, 7:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren56 min
Jul 15, 12:51 PM EDTSpecial Weather StatementPHILehigh39 min
Jul 15, 1:31 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton59 min
Jul 15, 2:34 PM EDTSpecial Weather StatementPHIBucks56 min
Jul 15, 2:41 PM EDTSpecial Weather StatementPHICarbon64 min
Jul 15, 2:50 PM EDTSpecial Weather StatementPHICarbon55 min
Jul 15, 3:29 PM EDTSpecial Weather StatementPHIBucks61 min
Jul 15, 5:07 PM EDTSpecial Weather StatementPHICarbon, Monroe53 min
Jul 15, 5:58 PM EDTSpecial Weather StatementPHIMonroe62 min
Jul 15, 6:13 PM EDTSevere Thunderstorm WarningPHICarbon62 min
Jul 15, 6:40 PM EDTSevere Thunderstorm WarningPHILehigh, Northampton65 min
Jul 15, 7:58 PM EDTSpecial Weather StatementPHIBerks, Bucks62 min
Jul 15, 5:47 PM EDTSevere Thunderstorm WarningPHIKent, Sussex58 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.