Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS Philadelphia/Mount Holly

May 23, 2012Morris County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 23, 2012, 2:06 PM EDT for Morris County, Sussex County, New Jersey. It was in force for 54 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
May 23, 2012, 2:06 PM EDT (18:06 UTC)
Expired
May 23, 2012, 3:00 PM EDT
In force
54 min
Issued by
NWS Philadelphia/Mount Holly

Counties Morris County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 116 km from the middle of the area, began a volume at 18:05 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, 6.1 hours before the alert went out and 144 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 2012-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 2012-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 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
2 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
493 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
31 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.

812 
WWUS81 KPHI 231806
SPSPHI

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
206 PM EDT WED MAY 23 2012

NJZ001-008-231900-
MORRIS NJ-SUSSEX NJ-
206 PM EDT WED MAY 23 2012

...SCATTERED THUNDERSTORMS WITH HEAVY RAINFALL...

SCATTERED THUNDERSTORMS WITH HEAVY RAINFALL WILL CONTINUE TO AFFECT 
PARTS OF SUSSEX COUNTY AND MORRIS COUNTY THIS AFTERNOON. AT 200 
PM...THE HEAVIEST OF THE RAIN WAS FALLING IN THE VICINITY OF LAKE 
HOPATCONG.

RAINFALL OF A HALF INCH TO AN INCH IS POSSIBLE WITH LOCALLY HIGHER 
AMOUNTS. THE HEAVY RAIN MAY CAUSE FLOODING ON ROADWAYS AND IN AREAS 
OF POOR DRAINAGE.

THE THUNDERSTORMS WILL BE ACCOMPANIED BY DANGEROUS CLOUD TO GROUND 
LIGHTNING. IF YOU OBSERVE THREATENING WEATHER...SEEK SHELTER AT ONCE.

LAT...LON 4120 7437 4109 7450 4105 7450 4105 7445
      4098 7428 4091 7427 4089 7429 4090 7434
      4086 7432 4073 7437 4065 7451 4076 7456
      4072 7473 4078 7489 4092 7477 4109 7498
      4109 7499 4116 7490 4129 7483 4136 7471

$$

IOVINO

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 2:58 PM EDTSpecial Weather StatementPHIMercer, Somerset62 min
May 23, 3:58 PM EDTSpecial Weather StatementPHIHunterdon, Morris, Sussex, Warren2 hr
May 22, 8:41 PM EDTSpecial Weather StatementPHICarbon, Lehigh64 min
May 22, 8:45 PM EDTAreal Flood AdvisoryPHICarbon, Lehigh55 min
May 23, 3:07 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh, Monroe, Northampton113 min
May 23, 4:52 PM EDTSpecial Weather StatementPHIBerks, Lehigh, Northampton113 min
May 23, 5:55 PM EDTSpecial Weather StatementPHIMontgomery65 min
May 23, 6:41 PM EDTSpecial Weather StatementPHIBerks, Lehigh, Montgomery94 min
May 23, 2:36 PM EDTSpecial Weather StatementPHIKent54 min
May 23, 3:42 PM EDTSpecial Weather StatementPHICaroline, Queen Anne's, Talbot63 min
May 23, 4:40 PM EDTSpecial Weather StatementPHICaroline, Kent, Queen Anne's, Talbot110 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.