Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

May 25, 2012Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 25, 2012, 5:15 PM EDT for Burlington 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
May 25, 2012, 5:15 PM EDT (21:15 UTC)
Expired
May 25, 2012, 6:45 PM EDT
In force
90 min
Issued by
NWS Philadelphia/Mount Holly

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 31 km from the middle of the area, began a volume at 21:16 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

Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 9.3 hours before the alert went out and 127 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 504 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, Phillips Aaf/Abe, MD at 12:00Z on 2012-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
504 J/kg
Mixed-layer CIN
-35 J/kg
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
45 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.

733 
WWUS81 KPHI 252115
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
515 PM EDT FRI MAY 25 2012

NJZ019-252245-
NORTHWESTERN BURLINGTON NJ-
515 PM EDT FRI MAY 25 2012

...A STRONG THUNDERSTORM WILL AFFECT BURLINGTON COUNTY...

AT 507 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
STRONG THUNDERSTORM OVER MOORESTOWN...MOVING EAST AT 10 MPH. 
THE THUNDERSTORM WILL BE NEAR WILLINGBORO AROUND 530 PM...MOUNT 
HOLLY...NWS OFFICE AROUND 615 PM...JACKSONVILLE AND JOBSTOWN AROUND 
630 PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADWAYS AND QUICKLY FILL ROADSIDE DITCHES AND SMALL STREAMS.
THIS STORM WILL BRING HEAVY DOWNPOURS TO THE NEW JERSEY TURNPIKE, 
INTERSTATE 295 AND NEW JERSEY STATE ROUTE 38 IN BURLINGTON COUNTY. 

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS STORM. EXPECT  
LIGHTNING FROM THIS STORM. DO NOT SEEK SHELTER UNDER TREES WHEN 
LIGHTNING THREATENS...MOVE INDOORS WHEN A THUNDERSTORM APPROACHES.

LAT...LON 3990 7462 3993 7495 4000 7499 4016 7470

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 1:45 PM EDTSpecial Weather StatementPHIBurlington, Ocean90 min
May 25, 2:14 PM EDTAreal Flood AdvisoryPHIBurlington2 hr
May 25, 3:07 PM EDTSpecial Weather StatementPHIBurlington, Middlesex, Monmouth53 min
May 25, 3:55 PM EDTAreal Flood WarningPHIBurlington3 hr

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.