Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 3, NWS Philadelphia/Mount Holly

February 16, 20165 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 16, 2016, 1:21 PM EST for 5 counties in New Jersey. It was in force for 39 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
Feb 16, 2016, 1:21 PM EST (18:21 UTC)
Expired
Feb 16, 2016, 2:00 PM EST
In force
39 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 radar

The Philadelphia radar (KDIX), 124 km from the middle of the area, began a volume at 18:24 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, 6.4 hours before the alert went out and 150 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 2016-02-16Temperature 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 2016-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 391 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
754 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
391 m²/s²
0-3 km storm-relative helicity
363 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

927 
WUUS51 KPHI 161821
SVRPHI
NJC019-027-035-037-041-161900-
/O.NEW.KPHI.SV.W.0003.160216T1821Z-160216T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
121 PM EST TUE FEB 16 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 200 PM EST

* AT 117 PM EST...DOPPLER RADAR INDICATED A LINE OF HEAVY
  SHOWERS...SOME CONTAINING STRONG GUSTY WINDS IN EXCESS OF
  60MPH...JUST EAST OF THE DELAWARE RIVER. THIS LINE WAS MOVING EAST
  AT 45 MPH...AND WILL BE MOVING THROUGH THE NORTHERN PART OF NEW
  JERSEY THROUGH THE MID AFTERNOON HOURS. 

* LOCATIONS IMPACTED INCLUDE...
  MORRISTOWN...NEWTON...DOVER...MADISON...HOPATCONG...FLORHAM PARK...
  EAST HANOVER...LINCOLN PARK...KINNELON...HACKETTSTOWN...BOONTON...
  BUTLER...WHARTON...ROCKAWAY...BLAIRSTOWN...MORRIS PLAINS...MOUNT
  ARLINGTON...FRANKLIN...MENDHAM AND MOUNTAIN LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...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 4120 7437 4110 7449 4104 7450 4105 7447
      4105 7445 4102 7443 4103 7442 4097 7428
      4090 7427 4091 7433 4075 7437 4078 7513
      4087 7505 4098 7514 4109 7497 4109 7499
      4110 7498 4116 7490 4135 7475 4136 7469
TIME...MOT...LOC 1817Z 216DEG 57KT 4102 7501 

$$

JJM
1 follow-up statement
751 
WWUS51 KPHI 161828
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
128 PM EST TUE FEB 16 2016

NJC019-027-035-037-041-161900-
/O.CON.KPHI.SV.W.0003.000000T0000Z-160216T1900Z/
WARREN NJ-HUNTERDON NJ-SUSSEX NJ-SOMERSET NJ-MORRIS NJ-
128 PM EST TUE FEB 16 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM EST
FOR WARREN...NORTHERN HUNTERDON...SUSSEX...SOMERSET AND MORRIS
COUNTIES...

AT 127 PM EST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED OVER FLATBROOKVILLE...OR 12 MILES WEST OF NEWTON...MOVING
NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
MORRISTOWN...NEWTON...DOVER...MADISON...HOPATCONG...FLORHAM PARK...
EAST HANOVER...LINCOLN PARK...KINNELON...HACKETTSTOWN...BOONTON...
BUTLER...WHARTON...ROCKAWAY...BLAIRSTOWN...MORRIS PLAINS...MOUNT
ARLINGTON...FRANKLIN...MENDHAM AND MOUNTAIN LAKES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 4120 7437 4110 7449 4104 7450 4105 7447
      4105 7445 4102 7443 4103 7442 4097 7428
      4090 7427 4091 7433 4075 7437 4078 7513
      4087 7505 4098 7514 4109 7497 4109 7499
      4110 7498 4116 7490 4135 7475 4136 7469
TIME...MOT...LOC 1827Z 218DEG 41KT 4111 7498 

$$

JJM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 16, 11:15 AM ESTSpecial Weather StatementPHICumberland, Gloucester, Salem60 min
Feb 16, 12:09 PM ESTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more51 min
Feb 16, 12:11 PM ESTSpecial Weather StatementPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 4 more49 min
Feb 16, 12:29 PM ESTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden, Cumberland, Gloucester, Hunterdon and 3 more46 min
Feb 16, 12:34 PM ESTAreal Flood AdvisoryPHISalem4 hr
Feb 16, 12:52 PM ESTAreal Flood AdvisoryPHIBurlington, Camden, Gloucester, Hunterdon, Salem, Sussex and 1 more4 hr
Feb 16, 1:04 PM ESTSpecial Weather StatementPHIMercer, Middlesex, Monmouth, Morris, Ocean, Somerset and 1 more116 min
Feb 16, 1:11 PM ESTAreal Flood AdvisoryPHIAtlantic, Camden, Cape May, Cumberland, Gloucester, Salem4 hr
Feb 16, 1:11 PM ESTSevere Thunderstorm WarningPHIAtlantic, Burlington, Hunterdon, Mercer, Middlesex, Monmouth and 3 more94 min
Feb 16, 1:22 PM ESTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden, Cape May, Cumberland, Gloucester and 9 more4 hr
Feb 16, 1:39 PM ESTSpecial Marine WarningPHI51 min
Feb 16, 1:56 PM ESTSevere Thunderstorm WarningPHIMorris, Sussex38 min
Feb 16, 2:29 PM ESTSpecial Marine WarningPHI91 min
Feb 16, 3:43 PM ESTSmall Craft AdvisoryPHI60 hr

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.