Alert archive / New Jersey / Special Weather Statements in 2011

Special Weather Statement, NWS Philadelphia/Mount Holly

April 16, 2011Atlantic County, Burlington County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Apr 16, 2011, 9:39 PM EDT for Atlantic County, Burlington County, Ocean County, New Jersey. It was in force for 51 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
Apr 16, 2011, 9:39 PM EDT (01:39 UTC)
Expired
Apr 16, 2011, 10:30 PM EDT
In force
51 min
Issued by
NWS Philadelphia/Mount Holly

Counties Atlantic County, NJ, Burlington County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 01:39 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, 1.7 hours before the alert went out and 190 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 2011-04-17Temperature 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 00:00Z on 2011-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 857 square meters per square second.19395878Sfc1 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
470 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
857 m²/s²
0-3 km storm-relative helicity
1017 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.

726 
WWUS81 KPHI 170139
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
939 PM EDT SAT APR 16 2011

NJZ013-014-018>023-025>027-170230-
ATLANTIC NJ-CAMDEN NJ-CAPE MAY NJ-COASTAL ATLANTIC NJ-
COASTAL OCEAN NJ-CUMBERLAND NJ-EASTERN MONMOUTH NJ-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
WESTERN MONMOUTH NJ-
939 PM EDT SAT APR 16 2011

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT 
ATLANTIC...BURLINGTON...CAMDEN...CAPE MAY...CUMBERLAND...MONMOUTH 
AND OCEAN COUNTIES...

AT 935 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 22 MILES EAST OF
CAMDEN TO 20 MILES NORTHEAST OF VINELAND TO 13 MILES SOUTHEAST OF 
VINELAND...MOVING NORTHEAST AT 60 MPH. 

WIND GUSTS TO 50 MPH ARE POSSIBLE ALONG PORTIONS OF THIS LINE OF 
STORMS.

CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS LINE OF STORMS. DO 
NOT SEEK SHELTER UNDER TREES WHEN LIGHTNING THREATENS, MOVE INDOORS 
AND STAY AWAY FROM WINDOWS WHEN A THUNDERSTORM APPROACHES.

LAT...LON 3974 7409 3952 7425 3950 7433 3953 7434
      3953 7440 3949 7438 3949 7432 3945 7429
      3923 7493 3959 7476 3989 7482 4019 7401

$$

FORECASTER: GORSE

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 8:08 PM EDTAreal Flood WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Mercer and 4 more8 hr
Apr 16, 8:38 PM EDTSevere Thunderstorm WarningPHICumberland52 min
Apr 16, 8:46 PM EDTSpecial Marine WarningPHI59 min
Apr 16, 10:09 PM EDTAreal Flood WarningPHIAtlantic, Burlington, Cape May, Cumberland, Monmouth, Ocean6 hr
Apr 16, 10:19 PM EDTSpecial Weather StatementPHIMonmouth, Ocean41 min
Apr 16, 11:21 PM EDTRiver Flood WarningPHIMorris, Somerset42 hr
Apr 17, 12:04 AM EDTRiver Flood WarningPHIMorris, Passaic42 hr
Apr 17, 12:37 AM EDTSmall Craft AdvisoryPHI34 hr
Apr 17, 12:40 AM EDTRiver Flood WarningPHIPassaic69 hr
Apr 17, 12:45 AM EDTRiver Flood WarningPHIMercer10 hr
Apr 17, 12:50 AM EDTRiver Flood WarningPHIHunterdon, Somerset6 hr
Apr 17, 12:50 AM EDTRiver Flood WarningPHISomerset11 hr
Apr 17, 12:50 AM EDTRiver Flood WarningPHIMiddlesex, Somerset23 hr
Apr 17, 12:50 AM EDTRiver Flood WarningPHIMiddlesex, Somerset23 hr
Apr 17, 3:03 AM EDTRiver Flood WarningPHIEssex, Morris, Passaic5 days
Apr 17, 3:03 AM EDTRiver Flood WarningPHIEssex, Passaic5 days
Apr 17, 3:19 AM EDTRiver Flood WarningPHIMorris, Passaic43 hr
Apr 17, 3:19 AM EDTRiver Flood WarningPHIBergen, Morris, Passaic32 hr
Apr 17, 3:19 AM EDTRiver Flood WarningPHIMorris32 hr
Apr 17, 3:19 AM EDTRiver Flood WarningPHIMorris49 hr
Apr 17, 5:39 AM EDTRiver Flood WarningPHISomerset38 hr
Apr 17, 8:39 AM EDTRiver Flood WarningPHIBurlington30 hr
Apr 17, 9:51 AM EDTCoastal Flood WarningPHIBurlington, Camden, Gloucester, Mercer4 hr
Apr 17, 9:51 AM EDTCoastal Flood AdvisoryPHISalem3 hr
Apr 16, 9:11 PM EDTSevere Thunderstorm WarningPHIChester64 min
Apr 16, 9:18 PM EDTRiver Flood WarningPHIChester11 hr
Apr 16, 9:32 PM EDTRiver Flood WarningPHIDelaware6 hr
Apr 16, 9:49 PM EDTSpecial Weather StatementPHIBerks, Lehigh56 min
Apr 16, 11:09 PM EDTRiver Flood WarningPHIBucks13 hr
Apr 16, 11:11 PM EDTRiver Flood WarningPHIMontgomery6 hr
Apr 17, 1:05 AM EDTAreal Flood WarningPHIBerks5 hr
Apr 17, 3:56 AM EDTAreal Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia6 hr
Apr 17, 6:07 AM EDTAreal Flood WarningPHIChester3 hr
Apr 17, 6:37 AM EDTRiver Flood WarningPHIChester, Delaware7 hr
Apr 17, 5:55 PM EDTRiver Flood WarningPHICecil, Harford26 hr
Apr 16, 8:30 PM EDTSpecial Weather StatementPHISussex30 min
Apr 16, 8:42 PM EDTRiver Flood WarningPHINew Castle6 hr

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.