Alert archive / New Jersey / Special Weather Statements in 2016

Special Weather Statement, NWS Philadelphia/Mount Holly

August 13, 2016Hunterdon County, New Jersey; Bucks County, Pennsylvania

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 13, 2016, 9:00 PM EDT for Hunterdon County, New Jersey; Bucks County, Pennsylvania. It was in force for 45 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
Aug 13, 2016, 9:00 PM EDT (01:00 UTC)
Expired
Aug 13, 2016, 9:45 PM EDT
In force
45 min
Issued by
NWS Philadelphia/Mount Holly

Counties Hunterdon County, NJ, Bucks County, PA

The radar

The Philadelphia radar (KDIX), 88 km from the middle of the area, began a volume at 01:03 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, 1.0 hours before the alert went out and 206 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 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2757 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 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.1939Sfc1 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
2757 J/kg
Mixed-layer CIN
-86 J/kg
Mixed-layer LCL
930 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

507 
WWUS81 KPHI 140100
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
900 PM EDT SAT AUG 13 2016
 
NJZ009-015-PAZ061-062-103-105-106-140145-
HUNTERDON-MERCER-NORTHAMPTON-WESTERN MONTGOMERY-LOWER
BUCKS-LEHIGH-UPPER BUCKS-
900 PM EDT SAT AUG 13 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN MERCER...
SOUTHWESTERN HUNTERDON...SOUTH CENTRAL NORTHAMPTON...SOUTHEASTERN
LEHIGH...NORTHWESTERN BUCKS AND NORTH CENTRAL MONTGOMERY COUNTIES...

AT 900 PM EDT...A STRONG THUNDERSTORM WAS NEAR QUAKERTOWN...OR 13
MILES SOUTH OF ALLENTOWN...MOVING EAST AT 30 MPH.

WIND GUSTS UP TO 40 MPH AND PEA SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
QUAKERTOWN...PERKASIE...DOYLESTOWN...BYRAM...BEDMINSTER...TINICUM...
NEW HOPE...DUBLIN...FERNDALE...FRENCHTOWN...MILFORD...STOCKTON...
PLEASANT VALLEY...SPRINGTOWN...FRICKS...SAND BROOK...GARDENVILLE...
SERGEANTSVILLE...REVERE AND OTTSVILLE.

LAT...LON 4035 7551 4056 7535 4059 7486 4026 7496
TIME...MOT...LOC 0100Z 271DEG 25KT 4041 7539 
$$

MWG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:05 PM EDTSpecial Weather StatementPHIWarren40 min
Aug 13, 8:27 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Sussex, Warren48 min
Aug 13, 9:12 PM EDTSpecial Weather StatementPHIMorris48 min
Aug 13, 9:19 PM EDTSpecial Weather StatementPHISomerset26 min
Aug 13, 10:46 PM EDTSpecial Weather StatementPHISussex44 min
Aug 13, 11:15 PM EDTSevere Thunderstorm WarningPHISussex, Warren45 min
Aug 13, 11:53 PM EDTSpecial Weather StatementPHISussex37 min
Aug 14, 12:09 AM EDTSpecial Weather StatementPHISussex36 min
Aug 14, 12:39 AM EDTSpecial Weather StatementPHISussex, Warren51 min
Aug 14, 1:21 AM EDTSpecial Weather StatementPHISussex24 min
Aug 14, 5:43 PM EDTSpecial Weather StatementPHIWarren47 min
Aug 13, 8:16 PM EDTSevere Thunderstorm WarningPHIBerks, Bucks, Lehigh, Montgomery44 min
Aug 13, 9:28 PM EDTSpecial Weather StatementPHICarbon, Monroe47 min
Aug 13, 9:55 PM EDTSevere Thunderstorm WarningPHICarbon, Monroe, Northampton50 min
Aug 13, 10:35 PM EDTAreal Flood AdvisoryPHICarbon, Monroe4 hr
Aug 13, 11:46 PM EDTSpecial Weather StatementPHIMonroe29 min
Aug 14, 12:30 AM EDTSpecial Weather StatementPHIMonroe45 min
Aug 14, 6:24 PM EDTSpecial Weather StatementPHIMonroe51 min
Aug 14, 6:57 PM EDTSpecial Weather StatementPHIBerks48 min
Aug 14, 7:31 PM EDTSpecial Weather StatementPHIMontgomery44 min
Aug 14, 7:56 PM EDTSpecial Weather StatementPHIChester49 min

Nearby

Special Weather Statements in New Jersey, 2016Special Weather Statements in Pennsylvania, 2016Every special weather statement in 2016

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.