Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 27, 2012Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 27, 2012, 12:02 AM EDT for Ocean County, New Jersey. It was in force for 58 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 27, 2012, 12:02 AM EDT (04:02 UTC)
Expired
Jul 27, 2012, 1:00 AM EDT
In force
58 min
Issued by
NWS Philadelphia/Mount Holly

County Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 30 km from the middle of the area, began a volume at 04:01 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, 4.0 hours before the alert went out and 173 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 2012-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1843 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 2012-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 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
1843 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
255 m²/s²
Significant tornado parameter
1.3
Supercell composite
13.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

509 
WWUS81 KPHI 270402
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
1202 AM EDT FRI JUL 27 2012

NJZ020-026-027-270500-
COASTAL OCEAN NJ-OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
1202 AM EDT FRI JUL 27 2012

...A STRONG THUNDERSTORM WILL AFFECT SOUTHERN BURLINGTON AND 
SOUTHERN OCEAN COUNTIES...

AT 1158 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 21 MILES NORTH OF ATLANTIC CITY...MOVING EAST AT
35 MPH. THE THUNDERSTORM WILL BE NEAR MANAHAWKIN...BARNEGAT AROUND
1215 AM AND BARNEGAT LIGHT AROUND 1230 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 35 MPH ARE POSSIBLE WITH THIS STORM.

LAT...LON 3977 7408 3958 7421 3953 7435 3953 7440
      3955 7442 3954 7444 3955 7445 3977 7453
      3987 7413 3986 7412 3977 7418 3972 7415
      3977 7415 3982 7410 3989 7408 3988 7407

$$

FORECASTER: HEAVENER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 10:59 PM EDTSpecial Weather StatementPHICamden, Gloucester, Salem91 min
Jul 26, 11:25 PM EDTAreal Flood AdvisoryPHIGloucester, Salem107 min
Jul 26, 11:44 PM EDTAreal Flood AdvisoryPHIAtlantic, Cumberland, Gloucester, Salem2 hr
Jul 26, 11:55 PM EDTSpecial Weather StatementPHIOcean65 min
Jul 27, 12:35 AM EDTAreal Flood AdvisoryPHIBurlington, Ocean117 min
Jul 26, 10:19 PM EDTAreal Flood AdvisoryPHIChester3 hr
Jul 27, 6:02 PM EDTSpecial Weather StatementPHICarbon58 min
Jul 27, 7:00 PM EDTSpecial Weather StatementPHICarbon60 min
Jul 26, 10:01 PM EDTSpecial Weather StatementPHICecil59 min
Jul 26, 10:24 PM EDTSpecial Weather StatementPHIKent, Queen Anne's96 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.