Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

September 2, 2012Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Sep 2, 2012, 7:37 PM EDT for Monmouth County, New Jersey. It was in force for 113 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
Sep 2, 2012, 7:37 PM EDT (23:37 UTC)
Expired
Sep 2, 2012, 9:30 PM EDT
In force
113 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 29 km from the middle of the area, began a volume at 23:41 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 12:00Z, 11.6 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 12:00Z on 2012-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 12:00Z on 2012-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 87 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
727 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
87 m²/s²
0-3 km storm-relative helicity
176 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.

129 
WWUS81 KPHI 022337
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
737 PM EDT SUN SEP 2 2012

NJZ013-014-020-026-030130-
COASTAL OCEAN NJ-EASTERN MONMOUTH NJ-OCEAN NJ-WESTERN MONMOUTH NJ-
737 PM EDT SUN SEP 2 2012

...A THUNDERSTORM WITH HEAVY RAIN WILL AFFECT EASTERN MONMOUTH AND 
OCEAN COUNTIES...

AT 735 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
THUNDERSTORM 9 MILES WEST OF ASBURY PARK...DRIFTING SOUTHEAST AT 5 
MPH. THE THUNDERSTORM WILL BE NEAR FARMINGDALE...COLLINGWOOD PARK 
AROUND 800 PM...SHARK RIVER HILLS...NEPTUNE CITY AROUND 830 PM...WEST
BELMAR...SOUTH BELMAR AROUND 845 PM...SEA GIRT...SPRING LAKE HEIGHTS 
AROUND 900 PM...BRIELLE AND MANASQUAN AROUND 915 PM.

VERY HEAVY RAIN WILL FALL FROM THIS STORM...AND WILL CAUSE WATER TO 
POND ON ROADS AND QUICKLY FILL POOR DRAINAGE AREAS. A ROUND A HALF 
AN INCH OF RAIN IS LIKELY ALONG THE PATH OF THIS STORM.

CLOUD TO GROUND LIGHTNING IS POSSIBLE WITH THIS STORM. DO NOT SEEK 
SHELTER UNDER TREES WHEN LIGHTNING THREATENS...MOVE INDOORS WHEN A 
THUNDERSTORM APPROACHES.

LAT...LON 4012 7402 3998 7404 3994 7406 3992 7409
      3993 7409 3991 7411 3989 7415 4025 7430
      4029 7415 4019 7400

$$

TFG

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 1:09 PM EDTAreal Flood AdvisoryPHICumberland, Salem2 hr
Sep 2, 5:14 PM EDTSpecial Weather StatementPHIMiddlesex, Monmouth, Somerset2 hr
Sep 2, 5:38 PM EDTAreal Flood AdvisoryPHIMiddlesex, Monmouth3 hr
Sep 2, 12:25 AM EDTSpecial Weather StatementPHISussex95 min
Sep 2, 12:40 PM EDTAreal Flood AdvisoryPHINew Castle83 min
Sep 2, 3:00 PM EDTAreal Flood AdvisoryPHISussex2 hr
Sep 2, 3:38 PM EDTFlash Flood WarningPHISussex3 hr
Sep 2, 4:51 PM EDTAreal Flood AdvisoryPHISussex89 min
Sep 1, 8:07 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's38 min
Sep 1, 8:47 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's88 min
Sep 1, 9:27 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot93 min
Sep 1, 10:34 PM EDTSpecial Weather StatementPHICaroline, Talbot86 min
Sep 1, 11:44 PM EDTSpecial Weather StatementPHIWicomico61 min
Sep 2, 3:17 PM EDTAreal Flood AdvisoryPHICaroline118 min
Sep 2, 3:57 PM EDTFlash Flood WarningPHICaroline2 hr
Sep 2, 6:33 PM EDTSpecial Weather StatementPHIKent117 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.