Alert archive / New Jersey / Special Weather Statements in 2018

Special Weather Statement, NWS Philadelphia/Mount Holly

August 2, 2018Monmouth County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at Aug 2, 2018, 2:09 PM EDT for Monmouth County, New Jersey. It was in force for 36 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 2, 2018, 2:09 PM EDT (18:09 UTC)
Expired
Aug 2, 2018, 2:45 PM EDT
In force
36 min
Issued by
NWS Philadelphia/Mount Holly

County Monmouth County, NJ

The radar

The Philadelphia radar (KDIX), 20 km from the middle of the area, began a volume at 18:12 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, 6.2 hours before the alert went out and 155 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 2018-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1199 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 2018-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 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
1199 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
650 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
57 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.8

Open this sounding in Storm Lab

The text

As transmitted.

698 
WWUS81 KPHI 021809
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
209 PM EDT THU AUG 2 2018

NJZ012>015-019-020-021845-
Northwestern Burlington-Eastern Monmouth-Ocean-Western
Monmouth-Middlesex-Mercer-
209 PM EDT THU AUG 2 2018

...A STRONG THUNDERSTORM WILL AFFECT NORTHWESTERN OCEAN...
SOUTHEASTERN MERCER...NORTHEASTERN BURLINGTON...SOUTHEASTERN
MIDDLESEX AND SOUTHEASTERN MONMOUTH COUNTIES...

At 208 PM EDT, a strong thunderstorm was located near Cream Ridge, or
14 miles southeast of Trenton, moving northeast at 30 mph.

Winds up to 40 mph are possible with this storm.

Locations impacted include...
Lakewood, Old Bridge, Jackson, Howell, Marlboro, Manalapan, Tinton
Falls, Allentown, Farmingdale, Roosevelt, Wrightstown, Brownville,
East Freehold, Six Flags Theme Park, Robertsville, Jacksons Mills,
West Freehold, Georgetown, Cassville and Adelphia.

Heavy rainfall is also occurring with this storm, and may 
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3996 7454 4009 7470 4043 7431 4020 7404
TIME...MOT...LOC 1808Z 228DEG 26KT 4008 7455 

$$

Kruzdlo

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 1, 10:40 PM EDTSevere Thunderstorm WarningPHIHunterdon, Warren37 min
Aug 1, 11:35 PM EDTSevere Thunderstorm WarningPHISalem20 min
Aug 2, 3:31 AM EDTFlash Flood WatchPHIMorris, Sussex, Warren55 hr
Aug 2, 1:41 PM EDTSpecial Weather StatementPHIBurlington34 min
Aug 2, 3:41 PM EDTSpecial Weather StatementPHIMorris34 min
Aug 2, 6:02 PM EDTSpecial Marine WarningPHI58 min
Aug 1, 8:59 PM EDTSpecial Weather StatementPHIBerks61 min
Aug 1, 9:54 PM EDTSpecial Weather StatementPHIBerks, Carbon, Lehigh66 min
Aug 2, 1:50 PM EDTSpecial Weather StatementPHILehigh25 min
Aug 2, 2:19 PM EDTSpecial Weather StatementPHINorthampton41 min
Aug 1, 10:58 PM EDTSevere Thunderstorm WarningPHINew Castle47 min
Aug 2, 5:36 PM EDTSpecial Weather StatementPHINew Castle24 min
Aug 2, 5:40 PM EDTSpecial Weather StatementPHIKent35 min
Aug 2, 4:37 PM EDTSpecial Weather StatementPHIQueen Anne's23 min
Aug 2, 5:03 PM EDTSpecial Weather StatementPHIKent27 min
Aug 2, 5:34 PM EDTSpecial Weather StatementPHIQueen Anne's26 min
Aug 2, 6:07 PM EDTSpecial Weather StatementPHIKent, Queen Anne's38 min

Nearby

Special Weather Statements in New Jersey, 2018Every special weather statement in 2018

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.