Alert archive / New Jersey / Special Weather Statements in 2014

Special Weather Statement, NWS Philadelphia/Mount Holly

August 31, 2014Morris County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 31, 2014, 3:39 PM EDT for Morris County, New Jersey. It was in force for 36 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 31, 2014, 3:39 PM EDT (19:39 UTC)
Expired
Aug 31, 2014, 4:15 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly

County Morris County, NJ

The radar

The Philadelphia radar (KDIX), 93 km from the middle of the area, began a volume at 19:41 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, 7.7 hours before the alert went out and 134 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 2014-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 2014-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 181 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
30 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
672 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
181 m²/s²
0-3 km storm-relative helicity
190 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.

385 
WWUS81 KPHI 311939
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
339 PM EDT SUN AUG 31 2014

NJZ008-312015-
MORRIS NJ-
339 PM EDT SUN AUG 31 2014

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN MORRIS
COUNTY...

AT 338 PM EDT...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM
MORRISTOWN TO BERNARDSVILLE...MOVING EAST AT 25 MPH.

WIND GUSTS TO 45 MPH ARE OCCURRING WITH THESE STORMS. 

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS. DO
NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. 

VERY HEAVY RAIN WILL FALL FROM THESE STORMS...AND WILL CAUSE WATER TO
POND ON ROADS AND FILL POOR DRAINAGE AREAS. THE RAIN CAN CAUSE RAPID
RISES ON SMALL STREAMS AND CREEKS. 

THESE STORMS WILL BE NEAR HANOVER TOWNSHIP AROUND 345 PM...EAST
HANOVER AROUND 355 PM...MADISON AROUND 400 PM AND CHATHAM AROUND 410
PM.

LAT...LON 4082 7433 4079 7436 4074 7436 4072 7439
      4072 7453 4076 7455 4073 7469 4075 7465
      4084 7454 4087 7433 4087 7432

$$

FORECASTER:  DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 3:17 PM EDTSpecial Weather StatementPHIMorris28 min
Aug 31, 3:52 PM EDTSpecial Weather StatementPHIMorris8 min
Aug 31, 5:52 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Salem53 min
Aug 31, 6:26 PM EDTSevere Thunderstorm WarningPHICamden, Gloucester34 min
Aug 31, 6:48 PM EDTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester57 min
Aug 31, 6:49 PM EDTSpecial Weather StatementPHIMonmouth26 min
Aug 31, 6:53 PM EDTSpecial Weather StatementPHIBurlington, Camden52 min
Aug 31, 7:02 PM EDTSpecial Weather StatementPHISalem28 min
Aug 31, 7:20 PM EDTSpecial Marine WarningPHI25 min
Aug 31, 7:38 PM EDTSpecial Weather StatementPHISalem52 min
Aug 31, 7:45 PM EDTSpecial Weather StatementPHIOcean45 min
Aug 31, 7:49 PM EDTSpecial Marine WarningPHI56 min
Aug 31, 2:37 PM EDTSpecial Weather StatementPHIMontgomery23 min
Aug 31, 2:44 PM EDTAreal Flood AdvisoryPHIBerks, Bucks, Chester, Lehigh, Montgomery5 hr
Aug 31, 2:57 PM EDTSpecial Weather StatementPHIMontgomery33 min
Aug 31, 3:04 PM EDTSpecial Weather StatementPHIChester26 min
Aug 31, 4:52 PM EDTSpecial Weather StatementPHIChester23 min
Aug 31, 5:06 PM EDTSpecial Weather StatementPHILehigh24 min
Aug 31, 5:10 PM EDTSpecial Weather StatementPHIChester35 min
Aug 31, 5:37 PM EDTSpecial Weather StatementPHIDelaware, Philadelphia38 min
Aug 31, 5:57 PM EDTSpecial Weather StatementPHIDelaware33 min
Aug 31, 6:19 PM EDTSpecial Weather StatementPHIDelaware26 min
Aug 31, 2:23 PM EDTSpecial Weather StatementPHICecil37 min
Aug 31, 5:24 PM EDTSpecial Weather StatementPHICecil36 min
Aug 31, 6:26 PM EDTSpecial Weather StatementPHICecil49 min
Aug 31, 7:50 PM EDTSpecial Weather StatementPHIKent40 min
Aug 31, 7:17 PM EDTSevere Thunderstorm WarningPHINew Castle28 min

Nearby

Special Weather Statements in New Jersey, 2014Every special weather statement in 2014

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.