Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

August 6, 2012Atlantic County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 6, 2012, 2:23 AM EDT for Atlantic County, New Jersey. It was in force for 67 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
Aug 6, 2012, 2:23 AM EDT (06:23 UTC)
Expired
Aug 6, 2012, 3:30 AM EDT
In force
67 min
Issued by
NWS Philadelphia/Mount Holly

County Atlantic County, NJ

The radar

The Philadelphia radar (KDIX), 38 km from the middle of the area, began a volume at 06:26 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, 6.4 hours before the alert went out and 186 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 2012-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1710 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 2012-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 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
1710 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
79 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.

436 
WWUS81 KPHI 060623
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
223 AM EDT MON AUG 6 2012

NJZ018-020-022-025>027-060730-
ATLANTIC NJ-CAMDEN NJ-COASTAL ATLANTIC NJ-COASTAL OCEAN NJ-OCEAN NJ-
SOUTHEASTERN BURLINGTON NJ-
223 AM EDT MON AUG 6 2012

...A STRONG THUNDERSTORM WILL AFFECT ATLANTIC...BURLINGTON...CAMDEN
AND OCEAN COUNTIES...

AT 218 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 13 MILES EAST OF VINELAND...MOVING EAST AT 25
MPH. THE THUNDERSTORM WILL BE NEAR ELWOOD...ELWOOD-MAGNOLIA AROUND
230 AM...EGG HARBOR CITY...POMONA AROUND 245 AM...NEW GRETNA...PORT
REPUBLIC AROUND 300 AM...TUCKERTON...MYSTIC ISLAND AROUND 315 AM...
NORTH BEACH HAVEN AND BEACH HAVEN AROUND 330 AM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS.

WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM.

LAT...LON 3955 7423 3950 7428 3950 7429 3946 7430
      3936 7479 3969 7488 3984 7419 3977 7417
      3975 7418 3974 7416 3967 7414

$$

HAYES

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 9:17 PM EDTSpecial Weather StatementPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem58 min
Aug 5, 9:48 PM EDTSpecial Weather StatementPHIBurlington, Mercer, Monmouth57 min
Aug 5, 10:00 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Gloucester, Monmouth, Ocean60 min
Aug 5, 10:14 PM EDTSpecial Marine WarningPHI2 hr
Aug 5, 10:42 PM EDTSpecial Weather StatementPHIMonmouth48 min
Aug 5, 10:47 PM EDTSevere Thunderstorm WarningPHIMonmouth, Ocean43 min
Aug 5, 11:02 PM EDTSpecial Weather StatementPHIOcean58 min
Aug 5, 11:25 PM EDTSpecial Marine WarningPHI65 min
Aug 5, 11:31 PM EDTAreal Flood AdvisoryPHISalem3 hr
Aug 5, 11:42 PM EDTSpecial Weather StatementPHIGloucester, Salem63 min
Aug 6, 12:00 AM EDTSpecial Weather StatementPHIBurlington, Camden, Gloucester60 min
Aug 6, 12:38 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Ocean and 1 more3 hr
Aug 6, 12:46 AM EDTSpecial Weather StatementPHIBurlington, Camden, Ocean59 min
Aug 6, 1:09 AM EDTSpecial Weather StatementPHIAtlantic66 min
Aug 6, 1:36 AM EDTSpecial Marine WarningPHI54 min
Aug 6, 3:32 AM EDTSpecial Weather StatementPHIAtlantic, Cumberland58 min
Aug 6, 5:21 AM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Cumberland, Gloucester, Ocean113 min
Aug 5, 10:50 PM EDTSpecial Weather StatementPHINew Castle55 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.