Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

July 4, 2012Monmouth County, Ocean County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Jul 4, 2012, 6:37 AM EDT for Monmouth County, Ocean County, New Jersey. It was in force for 38 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 4, 2012, 6:37 AM EDT (10:37 UTC)
Expired
Jul 4, 2012, 7:15 AM EDT
In force
38 min
Issued by
NWS Philadelphia/Mount Holly

Counties Monmouth County, NJ, Ocean County, NJ

The radar

The Philadelphia radar (KDIX), 28 km from the middle of the area, began a volume at 10:38 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, 10.6 hours before the alert went out and 138 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 2012-07-04Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 00:00Z on 2012-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
1771 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
215 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.

155 
WWUS81 KPHI 041037
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
637 AM EDT WED JUL 4 2012

NJZ012>015-019-020-026-027-041115-
COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-MERCER NJ-MIDDLESEX NJ-
NORTHWESTERN BURLINGTON NJ-OCEAN NJ-SOUTHEASTERN BURLINGTON NJ-
WESTERN MONMOUTH NJ-
637 AM EDT WED JUL 4 2012

...THUNDERSTORMS WILL AFFECT PORTIONS OF BURLINGTON...MERCER... 
MIDDLESEX...MONMOUTH AND OCEAN COUNTIES IN EAST CENTRAL NEW JERSEY...

AT 633 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
ISOLATED THUNDERSTORMS WITHIN A BAND OF HEAVY SHOWERS ALONG A LINE 
EXTENDING FROM 8 MILES SOUTH OF PERTH AMBOY TO 14 MILES EAST OF 
TRENTON TO 15 MILES NORTHWEST OF TOMS RIVER TO 19 MILES WEST OF TOMS 
RIVER...MOVING EAST AT 30 TO 35 MPH. THE THUNDERSTORMS WILL BE NEAR 
UNION BEACH...KEANSBURG...WHITING...OLD HALFWAY AROUND 640 
AM...LEONARDO...PORT MONMOUTH...NORTH MIDDLETOWN...MIDDLETOWN AROUND 
645 AM...SANDY HOOK AND BROOKVILLE AROUND 650 AM.

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

LAT...LON 3978 7408 3978 7409 3978 7413 3981 7410
      3992 7410 3978 7418 3979 7465 4007 7450
      4019 7459 4049 7428 4045 7420 4047 7418
      4046 7412 4043 7400 4048 7402 4048 7400
      4036 7396

$$

FORECASTER:  DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 3:39 AM EDTExcessive Heat WatchPHIBurlington, Camden, Gloucester, Mercer12 hr
Jul 4, 3:39 AM EDTHeat AdvisoryPHIAtlantic, Burlington, Cape May, Cumberland, Hunterdon, Middlesex and 5 more15 hr
Jul 4, 7:09 AM EDTSpecial Marine WarningPHI66 min
Jul 4, 3:52 PM EDTCoastal Flood StatementPHIAtlantic, Burlington, Cape May, Cumberland, Middlesex, Monmouth and 1 more8 hr
Jul 4, 6:29 PM EDTSpecial Weather StatementPHIMonroe61 min
Jul 4, 7:12 PM EDTSpecial Weather StatementPHIMonroe63 min
Jul 4, 6:33 PM EDTHeat AdvisoryPHIKent, Sussex25 hr

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.