Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 98, NWS Philadelphia/Mount Holly

July 14, 2016Somerset County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 14, 2016, 3:18 PM EDT for Somerset County, New Jersey. It was in force for 27 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
Jul 14, 2016, 3:18 PM EDT (19:18 UTC)
Expired
Jul 14, 2016, 3:45 PM EDT
In force
27 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Somerset County, NJ

The radar

The Philadelphia radar (KDIX), 81 km from the middle of the area, began a volume at 19:17 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, 7.3 hours before the alert went out and 141 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 2016-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 468 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 2016-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 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
468 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted.

419 
WUUS51 KPHI 141918
SVRPHI
NJC035-142000-
/O.NEW.KPHI.SV.W.0098.160714T1918Z-160714T2000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
318 PM EDT THU JUL 14 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 400 PM EDT

* AT 318 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR PEAPACK AND
  GLADSTONE...OR 12 MILES WEST OF MORRISTOWN...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  MENDHAM...PEAPACK AND GLADSTONE...FAR HILLS...BASKING RIDGE...NORTH
  PLAINFIELD...BERNARDSVILLE AND WATCHUNG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4062 7443 4064 7472 4073 7472 4076 7457
      4070 7451 4068 7453 4066 7452 4065 7451
      4067 7448 4066 7445 4066 7440
TIME...MOT...LOC 1918Z 268DEG 30KT 4074 7471 

HAIL...<.75IN
WIND...60MPH
 
$$

PO
1 follow-up statement
884 
WWUS51 KPHI 141945
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
345 PM EDT THU JUL 14 2016

NJC035-141955-
/O.CAN.KPHI.SV.W.0098.000000T0000Z-160714T2000Z/
SOMERSET NJ-
345 PM EDT THU JUL 14 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN SOMERSET COUNTY IS
CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FOR
NORTHERN NEW JERSEY.

LAT...LON 4062 7443 4064 7472 4073 7472 4076 7457
      4070 7451 4068 7453 4066 7452 4065 7451
      4067 7448 4066 7445 4066 7440
TIME...MOT...LOC 1944Z 268DEG 30KT 4075 7441 

$$

PO

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 2:04 PM EDTSevere Thunderstorm WarningPHIWarren26 min
Jul 14, 2:29 PM EDTSevere Thunderstorm WarningPHIWarren46 min
Jul 14, 2:46 PM EDTTornado WarningPHIWarren29 min
Jul 14, 3:07 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Warren38 min
Jul 14, 3:14 PM EDTSpecial Weather StatementPHISussex46 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016

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.