Alert archive / New Jersey / Special Weather Statements in 2012

Special Weather Statement, NWS New York, NY

August 4, 2012Essex County, Union County, New Jersey

NWS New York, NY issued this special weather statement at Aug 4, 2012, 4:18 PM EDT for Essex County, Union County, New Jersey. It was in force for 42 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 4, 2012, 4:18 PM EDT (20:18 UTC)
Expired
Aug 4, 2012, 5:00 PM EDT
In force
42 min
Issued by
NWS New York, NY

Counties Essex County, NJ, Union County, NJ

The radar

The Philadelphia radar (KDIX), 88 km from the middle of the area, began a volume at 20:19 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, 8.3 hours before the alert went out and 125 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 2012-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2028 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2012-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
2028 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
802 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

770 
WWUS81 KOKX 042018
SPSOKX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NEW YORK NY
418 PM EDT SAT AUG 4 2012

NJZ105-107-042100-
WESTERN ESSEX-WESTERN UNION-
418 PM EDT SAT AUG 4 2012

...STRONG THUNDERSTORM WILL IMPACT CENTRAL ESSEX AND WESTERN UNION
COUNTIES...

AT 417 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR NORTH PLAINFIELD...AND MOVING NORTH AT 25
MPH.

FREQUENT CLOUD TO GROUND LIGHTNING...SMALL HAIL...AND WINDS UP TO 40 
MPH ARE EXPECTED WITH THIS STORM. IN ADDITION...VERY HEAVY RAIN IS 
OCCURRING WITH THIS STORM. THIS COULD CAUSE PONDING OF WATER ON 
ROADWAYS... AND MINOR FLOODING OF POOR DRAINAGE AREAS.

LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE
TO SAFE SHELTER IMMEDIATELY.

LAT...LON 4075 7437 4076 7438 4080 7437 4082 7434
      4086 7433 4087 7434 4084 7418 4077 7420
      4070 7425 4068 7428 4060 7431 4059 7446
      4066 7441 4065 7445 4067 7447

$$

LN

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 4, 3:30 PM EDTSmall Craft Advisory for Hazardous SeasOKX13 hr
Aug 4, 4:07 PM EDTRip Current StatementOKXKings, Nassau, Queens, Suffolk28 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.