Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

May 27, 2012Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 27, 2012, 10:49 AM EDT for Burlington County, New Jersey. It was in force for 41 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 27, 2012, 10:49 AM EDT (14:49 UTC)
Expired
May 27, 2012, 11:30 AM EDT
In force
41 min
Issued by
NWS Philadelphia/Mount Holly

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 27 km from the middle of the area, began a volume at 14:49 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, 2.8 hours before the alert went out and 180 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 2012-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1927 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
18 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.

732 
WWUS81 KPHI 271449
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1049 AM EDT SUN MAY 27 2012

NJZ019-271530-
NORTHWESTERN BURLINGTON NJ-
1049 AM EDT SUN MAY 27 2012

...THUNDERSTORMS WITH VERY HEAVY RAIN WILL AFFECT BURLINGTON 
COUNTY...

AT 1045 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTH OF
TRENTON TO 12 MILES SOUTH OF TRENTON...MOVING SOUTHEAST AT 20 MPH. 
THE THUNDERSTORMS WILL BE NEAR BORDENTOWN...THE NWS OFFICE IN MOUNT 
HOLLY...AND JACKSONVILLE AROUND 1055 AM...COLUMBUS...MOUNT HOLLY 
AROUND 1100 AM...JOBSTOWN AROUND 1105 AM...GEORGETOWN AROUND 1110 
AM...WRIGHTSTOWN...PEMBERTON AROUND 1115 AM AND PEMBERTON HEIGHTS 
AROUND 1120 AM.

VERY HEAVY RAINFALL WILL OCCUR OVER A FEW AREAS THAT RECEIVED HEAVY 
RAINS EARLIER. BE ALERT FOR THE POSSIBILITY OF LOCALIZED FLOODING.

LAT...LON 3990 7458 3988 7465 4007 7493 4008 7487
      4013 7480 4012 7478 4013 7476 4013 7474
      4016 7470 4008 7455 3997 7450

$$

DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
May 27, 4:58 AM EDTAreal Flood AdvisoryPHIBurlington83 min
May 27, 5:12 AM EDTSpecial Weather StatementPHIOcean63 min
May 27, 5:36 AM EDTSpecial Weather StatementPHIOcean54 min
May 27, 6:23 AM EDTSpecial Weather StatementPHIBurlington, Ocean67 min
May 27, 6:35 AM EDTAreal Flood AdvisoryPHIBurlington, Ocean91 min
May 27, 3:01 PM EDTExcessive Heat WarningPHIBurlington, Camden, Gloucester, Mercer52 hr
May 27, 2:19 AM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Montgomery, Northampton56 min
May 27, 2:54 AM EDTSpecial Weather StatementPHIBucks66 min
May 27, 3:10 AM EDTAreal Flood AdvisoryPHIBerks, Bucks, Lehigh, Montgomery3 hr
May 27, 3:35 AM EDTSpecial Weather StatementPHIBerks55 min
May 27, 3:46 AM EDTSpecial Weather StatementPHIBucks, Montgomery59 min
May 27, 4:08 AM EDTFlash Flood WarningPHIBucks, Montgomery4 hr
May 27, 4:35 AM EDTSpecial Weather StatementPHIBerks55 min
May 27, 4:46 AM EDTSpecial Weather StatementPHIPhiladelphia59 min
May 27, 5:08 AM EDTAreal Flood AdvisoryPHIBerks89 min
May 27, 5:18 AM EDTSpecial Weather StatementPHIBerks57 min
May 27, 5:47 AM EDTSpecial Weather StatementPHIBerks58 min
May 27, 5:57 AM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia2 hr
May 27, 8:48 AM EDTSpecial Weather StatementPHIMontgomery42 min
May 27, 9:26 AM EDTSpecial Weather StatementPHIBucks, Lehigh49 min
May 27, 10:07 AM EDTAreal Flood WarningPHIBerks, Bucks, Lehigh, Montgomery, Philadelphia3 hr
May 27, 4:56 PM EDTSpecial Weather StatementPHIBerks49 min
May 27, 5:51 PM EDTAreal Flood WarningPHIMontgomery95 min
May 27, 7:36 PM EDTSpecial Weather StatementPHIMonroe39 min
May 27, 7:45 PM EDTSpecial Weather StatementPHIBerks45 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.