Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

September 4, 2012Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 4, 2012, 8:21 PM EDT for Warren County, New Jersey. It was in force for 54 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
Sep 4, 2012, 8:21 PM EDT (00:21 UTC)
Expired
Sep 4, 2012, 9:15 PM EDT
In force
54 min
Issued by
NWS Philadelphia/Mount Holly

County Warren County, NJ

The radar

The Philadelphia radar (KDIX), 133 km from the middle of the area, began a volume at 00:21 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, 0.4 hours before the alert went out and 181 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 2012-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1118 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 2012-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 89 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
1118 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
89 m²/s²
0-3 km storm-relative helicity
120 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.

813 
WWUS81 KPHI 050021
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
821 PM EDT TUE SEP 4 2012

NJZ001-007-PAZ055-062-050115-
MONROE PA-NORTHAMPTON PA-SUSSEX NJ-WARREN NJ-
821 PM EDT TUE SEP 4 2012

...A STRONG THUNDERSTORM WILL AFFECT MONROE...NORTHAMPTON...SUSSEX
AND WARREN COUNTIES...

AT 816 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 13 MILES NORTH OF EASTON...MOVING NORTHEAST AT 15
MPH. THE THUNDERSTORM WILL BE NEAR PORTLAND...STORMVILLE AROUND 830
PM...COLUMBIA...DELAWARE WATER GAP AROUND 845 PM...SHAWNEE...
MARSHALLS CREEK AROUND 900 PM...HIDDEN LAKE AND WERRY LAKE AROUND 915
PM.

VERY HEAVY RAIN IS FALLING FROM THIS STORM. THERE IS CURRENTLY A 
FLASH FLOOD WARNING IN AFFECT FOR THE PATH OF THIS STORM.
WIND GUSTS TO 40 MPH ARE POSSIBLE.

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

LAT...LON 4104 7478 4082 7508 4090 7531 4115 7513
      4115 7508 4109 7503 4110 7499 4112 7497
      4115 7491

$$

FORECASTER: HEAVENER

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 8:26 PM EDTTornado WarningPHIWarren34 min
Sep 4, 9:30 PM EDTAreal Flood AdvisoryPHISussex2 hr
Sep 4, 10:04 PM EDTSpecial Weather StatementPHISussex56 min
Sep 4, 10:09 PM EDTTornado WarningPHISussex, Warren36 min
Sep 4, 10:43 PM EDTAreal Flood AdvisoryPHISussex57 min
Sep 4, 11:34 PM EDTFlash Flood WarningPHISussex, Warren4 hr
Sep 5, 12:00 AM EDTSpecial Weather StatementPHISussex30 min
Sep 5, 12:13 AM EDTAreal Flood AdvisoryPHISussex3 hr
Sep 5, 7:35 AM EDTSpecial Weather StatementPHISussex, Warren55 min
Sep 5, 8:17 AM EDTSpecial Weather StatementPHIWarren58 min
Sep 5, 9:28 AM EDTSpecial Weather StatementPHIMorris62 min
Sep 5, 12:41 PM EDTSpecial Weather StatementPHIBurlington49 min
Sep 5, 1:04 PM EDTSevere Thunderstorm WarningPHIBurlington, Ocean41 min
Sep 5, 1:15 PM EDTSpecial Weather StatementPHIMonmouth45 min
Sep 5, 1:50 PM EDTSpecial Weather StatementPHIOcean40 min
Sep 5, 2:04 PM EDTSpecial Marine WarningPHI26 min
Sep 5, 2:48 PM EDTSpecial Weather StatementPHIBurlington, Ocean57 min
Sep 5, 3:03 PM EDTSpecial Weather StatementPHISalem57 min
Sep 5, 3:28 PM EDTSpecial Weather StatementPHICamden32 min
Sep 5, 3:42 PM EDTSpecial Marine WarningPHI48 min
Sep 5, 3:45 PM EDTSpecial Weather StatementPHIOcean30 min
Sep 5, 4:02 PM EDTAreal Flood AdvisoryPHIOcean56 min
Sep 5, 4:12 PM EDTSpecial Weather StatementPHIOcean33 min
Sep 5, 4:36 PM EDTSpecial Weather StatementPHIAtlantic39 min
Sep 5, 4:47 PM EDTSpecial Marine WarningPHI43 min
Sep 5, 4:54 PM EDTFlash Flood WarningPHIOcean81 min
Sep 5, 5:17 PM EDTSpecial Weather StatementPHIAtlantic28 min
Sep 5, 5:37 PM EDTSpecial Weather StatementPHIAtlantic, Cumberland23 min
Sep 5, 5:46 PM EDTAreal Flood AdvisoryPHIBurlington, Ocean98 min
Sep 5, 6:06 PM EDTSpecial Weather StatementPHIAtlantic39 min
Sep 5, 6:53 PM EDTAreal Flood AdvisoryPHIAtlantic28 min
Sep 5, 6:30 AM EDTSpecial Weather StatementPHIMonroe60 min
Sep 5, 3:47 PM EDTAreal Flood AdvisoryPHINew Castle73 min
Sep 5, 5:53 PM EDTSpecial Weather StatementPHIKent67 min
Sep 5, 2:44 PM EDTSpecial Weather StatementPHITalbot61 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.