Alert archive / New Jersey / Special Weather Statements in 2017

Special Weather Statement, NWS Philadelphia/Mount Holly

May 31, 2017Sussex County, Warren County, New Jersey

NWS Philadelphia/Mount Holly issued this special weather statement at May 31, 2017, 11:13 PM EDT for Sussex County, Warren County, New Jersey. It was in force for 32 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 31, 2017, 11:13 PM EDT (03:13 UTC)
Expired
May 31, 2017, 11:45 PM EDT
In force
32 min
Issued by
NWS Philadelphia/Mount Holly

Counties Sussex County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 131 km from the middle of the area, began a volume at 03:16 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, 3.2 hours before the alert went out and 178 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 2017-06-01Temperature 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 2017-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.1939587897Sfc1 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
1161 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

237 
WWUS81 KPHI 010313
SPSPHI

Special Weather Statement
National Weather Service Mount Holly NJ
1113 PM EDT WED MAY 31 2017

NJZ001-007-008-PAZ062-010345-
Morris-Sussex-Warren-Northampton-
1113 PM EDT WED MAY 31 2017

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL MORRIS...
SOUTHWESTERN SUSSEX...WARREN...EASTERN MONROE AND NORTHEASTERN
NORTHAMPTON COUNTIES...

At 1112 PM EDT, a strong thunderstorm was located over Blairstown, or
14 miles west of Newton, moving east at 40 mph.

This storm will be near...
  Millbrook, Allamuchy-Panther Valley, Flatbrookville and Great 
  Meadows-Vienna around 1120 PM EDT. 
  Greendell and Five Points around 1125 PM EDT. 
  Newton around 1130 PM EDT. 
  Stanhope and Andover around 1135 PM EDT. 
  Hopatcong, Mount Arlington and Lake Mohawk around 1140 PM EDT. 

Other locations impacted by this storm include Beattyestown, Portland
and Roseto.

Wind gusts up to 30 mph and pea size hail are possible with this 
storm.

Heavy rainfall is also occurring with this storm...and may cause 
ponding on roadways and poor drainage areas. Do not drive your 
vehicle through flooded roadways.

Occasional cloud to ground lightning is occurring with this storm. 
Lightning can strike 15 miles away from a thunderstorm. If you see 
lightning or hear thunder seek a safe shelter inside a building or 
vehicle.

LAT...LON 4124 7468 4077 7460 4083 7522 4093 7521
      4095 7515 4097 7512 4099 7513 4104 7503
      4106 7502 4109 7497 4109 7499 4110 7499
      4116 7490 4119 7488
TIME...MOT...LOC 0312Z 260DEG 35KT 4098 7501 

$$

Robertson

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Somerset36 min
May 31, 8:39 PM EDTSpecial Weather StatementPHISomerset36 min
May 31, 10:41 PM EDTSpecial Weather StatementPHISussex34 min
May 31, 11:42 PM EDTSpecial Weather StatementPHISussex33 min

Nearby

Special Weather Statements in New Jersey, 2017Every special weather statement in 2017

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.