Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

July 22, 2011Burlington County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 22, 2011, 3:22 PM EDT for Burlington County, New Jersey. It was in force for 53 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
Jul 22, 2011, 3:22 PM EDT (19:22 UTC)
Expired
Jul 22, 2011, 4:15 PM EDT
In force
53 min
Issued by
NWS Philadelphia/Mount Holly

County Burlington County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 19:22 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, 7.4 hours before the alert went out and 124 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 2011-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2345 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°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 2011-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
2345 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
46 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.

440 
WWUS81 KPHI 221922
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
322 PM EDT FRI JUL 22 2011

NJZ019-027-222015-
NORTHWESTERN BURLINGTON NJ-SOUTHEASTERN BURLINGTON NJ-
322 PM EDT FRI JUL 22 2011

...STRONG THUNDERSTORMS WILL AFFECT BURLINGTON COUNTY...

AT 319 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREAS OF STRONG THUNDERSTORMS ACROSS NORTHERN BURLINGTON COUNTY. THE 
STORMS WERE MOVING SOUTHEAST AT AROUND 10 MPH. THE STORM WILL 
CONTINUE ACROSS NORTHERN AND CENTRAL BURLINGTON COUNTY THROUGH 430 
PM. 

WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS.YOU CAN ALSO 
EXPECT SOME SMALL HAIL AND FREQUENT...DANGEROUS CLOUD TO GROUND 
LIGHTNING FROM THESE STORMS.

LAT...LON 3959 7439 3955 7442 3954 7444 3962 7466
      3969 7468 3978 7481 3978 7490 3987 7493
      3994 7502 3997 7501 3999 7507 4000 7505
      4006 7495 4007 7488 4012 7483 4012 7476
      4017 7469 4013 7460 3976 7439

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 2:31 PM EDTSevere Thunderstorm WarningPHIBurlington, Mercer, Monmouth, Ocean59 min
Jul 22, 3:33 PM EDTSpecial Weather StatementPHIOcean57 min
Jul 22, 3:35 PM EDTSpecial Marine WarningPHI55 min
Jul 22, 4:15 PM EDTSpecial Weather StatementPHIBurlington, Ocean60 min

Nearby

Special Weather Statements in New Jersey, 2011Every special weather statement in 2011

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.