Alert archive / New Jersey / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 8, NWS Philadelphia/Mount Holly

May 16, 20155 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at May 16, 2015, 6:10 PM EDT for 5 counties in New Jersey. It was in force for 50 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 16, 2015, 6:10 PM EDT (22:10 UTC)
Expired
May 16, 2015, 7:00 PM EDT
In force
50 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ, Sussex County, NJ, Warren County, NJ

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 10.2 hours before the alert went out and 152 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 2015-05-16Temperature 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 12:00Z on 2015-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 91 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
903 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
91 m²/s²
0-3 km storm-relative helicity
170 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.

913 
WUUS51 KPHI 162210
SVRPHI
NJC019-027-035-037-041-162300-
/O.NEW.KPHI.SV.W.0008.150516T2210Z-150516T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
610 PM EDT SAT MAY 16 2015

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHEASTERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
  MORRIS COUNTY IN NORTHERN NEW JERSEY...
  SOUTH CENTRAL SUSSEX COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHWESTERN SOMERSET COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 700 PM EDT

* AT 610 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED OVER GREENDELL...OR NEAR
  NEWTON...AND MOVING SOUTHEAST AT 30 MPH.

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  HOPATCONG AND HACKETTSTOWN AROUND 615 PM EDT.
  STANHOPE AND BEATYESTOWN AROUND 620 PM EDT.
  MOUNT ARLINGTON...NETCONG...BUDD LAKE AND LONG VALLEY AROUND 625 PM
  EDT.
  SUCCASUNNA AND SUCCASUNNA-KENVIL AROUND 630 PM EDT.
  DOVER...WHARTON...CHESTER AND VICTORY GARDENS AROUND 635 PM EDT.
  MENDHAM AROUND 640 PM EDT.
  MORRIS PLAINS AND PEAPACK AND GLADSTONE AROUND 645 PM EDT.
  MORRISTOWN AND FAR HILLS AROUND 650 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE WHITE
MEADOW LAKE...BERNARDSVILLE...BEATTYESTOWN AND HANOVER TOWNSHIP.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4080 7435 4064 7478 4071 7483 4071 7484
      4072 7483 4096 7499 4104 7470 4083 7433
TIME...MOT...LOC 2210Z 317DEG 25KT 4096 7479 

$$

ROBERTSON
1 follow-up statement
541 
WWUS51 KPHI 162239
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
639 PM EDT SAT MAY 16 2015

NJC019-027-035-037-041-162300-
/O.CON.KPHI.SV.W.0008.000000T0000Z-150516T2300Z/
WARREN NJ-HUNTERDON NJ-MORRIS NJ-SUSSEX NJ-SOMERSET NJ-
639 PM EDT SAT MAY 16 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR EAST CENTRAL WARREN...NORTHEASTERN HUNTERDON...CENTRAL MORRIS...
SOUTH CENTRAL SUSSEX AND NORTHWESTERN SOMERSET COUNTIES...

AT 639 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED NEAR MENDHAM...OR 7 MILES WEST OF
MORRISTOWN. THIS STORM WAS NEARLY STATIONARY.

THIS SEVERE STORM WILL BE NEAR...
  MORRIS PLAINS AROUND 645 PM EDT.
  MORRISTOWN AND FAR HILLS AROUND 650 PM EDT.
  MADISON AROUND 700 PM EDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
BERNARDSVILLE...HANOVER TOWNSHIP AND WHITE MEADOW LAKE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY
RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER
COVERS THE ROAD.

&&

LAT...LON 4080 7435 4064 7478 4071 7483 4071 7484
      4072 7483 4089 7487 4097 7466 4083 7433
TIME...MOT...LOC 2239Z 317DEG 25KT 4082 7462 

$$

ROBERTSON

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 5:26 PM EDTSevere Thunderstorm WarningPHISussex, Warren49 min
May 16, 6:03 PM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren3 hr
May 16, 6:53 PM EDTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset37 min
May 16, 6:55 PM EDTAreal Flood AdvisoryPHIHunterdon, Morris, Sussex, Warren3 hr
May 16, 7:04 PM EDTSevere Thunderstorm WarningPHIHunterdon, Mercer, Warren26 min
May 16, 7:15 PM EDTTornado WarningPHIMorris, Somerset11 min
May 16, 7:28 PM EDTSevere Thunderstorm WarningPHIMiddlesex, Morris, Somerset28 min
May 16, 7:34 PM EDTSpecial Weather StatementPHIHunterdon41 min
May 16, 7:37 PM EDTSpecial Weather StatementPHISussex23 min
May 16, 7:57 PM EDTAreal Flood AdvisoryPHIHunterdon, Middlesex, Monmouth, Morris, Somerset, Sussex3 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2015Every severe thunderstorm warning in 2015

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.