Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Philadelphia/Mount Holly

February 16, 2016Morris County, Sussex County, New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Feb 16, 2016, 1:56 PM EST for Morris County, Sussex County, New Jersey. It was in force for 38 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, 1:56 PM EST (18:56 UTC)
Expired
Feb 16, 2016, 2:34 PM EST
In force
38 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon

Counties Morris County, NJ, Sussex County, NJ

The radar

The Philadelphia radar (KDIX), 113 km from the middle of the area, began a volume at 18:56 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, 6.9 hours before the alert went out and 135 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.

297 
WUUS51 KPHI 161856
SVRPHI
NJC027-037-162000-
/O.NEW.KPHI.SV.W.0004.160216T1856Z-160216T2000Z/

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

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

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

* UNTIL 300 PM EST

* AT 153 PM EST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS
  STORM WAS LOCATED OVER SUSSEX...OR 11 MILES NORTHWEST OF WEST
  MILFORD... AND MOVING NORTHEAST AT 45 MPH. SEVERE GUSTY WINDS UP
  TO 60 MPH ARE POSSIBLE ALONG THE ENTIRE LINE OF HEAVY SHOWERS
  EXTENDING FROM NEAR HIGH POINT SOUTHEAST THROUGH MORRIS COUNTY.

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  VERNON VALLEY AROUND 200 PM EST.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS SEVERE THUNDERSTORM MAY CONTAIN LITTLE OR NO LIGHTNING. DO NOT
WAIT UNTIL YOU HEAR THUNDER BEFORE TAKING COVER.

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
      4097 7428 4092 7429 4090 7427 4091 7433
      4083 7433 4079 7437 4074 7437 4073 7453
      4076 7457 4072 7473 4073 7475 4135 7475
      4136 7469
TIME...MOT...LOC 1853Z 217DEG 54KT 4118 7460 

$$

JJM
1 follow-up statement
533 
WWUS51 KPHI 161934
SVSPHI

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

NJC027-037-161942-
/O.CAN.KPHI.SV.W.0004.000000T0000Z-160216T2000Z/
SUSSEX NJ-MORRIS NJ-
234 PM EST TUE FEB 16 2016

...THE SEVERE THUNDERSTORM WARNING FOR SUSSEX AND MORRIS COUNTIES IS
CANCELLED...
    
THE SEVERE WINDS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4120 7437 4110 7449 4104 7450 4105 7447
      4097 7428 4092 7429 4090 7427 4091 7433
      4083 7433 4079 7437 4074 7437 4073 7453
      4076 7457 4072 7473 4073 7475 4135 7475
      4136 7469
TIME...MOT...LOC 1932Z 217DEG 54KT 4166 7412 

$$

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, 1:21 PM ESTSevere Thunderstorm WarningPHIHunterdon, Morris, Somerset, Sussex, Warren39 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, 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.