Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 20, NWS New York, NY

June 8, 2021Bergen County, New Jersey

NWS New York, NY issued this severe thunderstorm warning at Jun 8, 2021, 2:58 PM EDT for Bergen County, New Jersey. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 8, 2021, 2:58 PM EDT (18:58 UTC)
Expired
Jun 8, 2021, 3:45 PM EDT
In force
47 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Bergen County, NJ

The radar

The Brookhaven radar (KOKX), 99 km from the middle of the area, began a volume at 19:01 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.

What was reported inside it

TimeReportWhereRemark
Jun 8, 3:14 PM EDTTSTM WND DMGParamus, NJTREES AND WIRES DOWN ON SOLDIER HILL ROAD AT GETTYSBURG PLACE WITH SOLDIER HILL ROAD SHUT DOWN FROM GETTYSBURG PLACE TO PASCACK ROAD WITH WIRES ON FIRE WITH TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.0 hours before the alert went out and 99 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 2021-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 740 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 2021-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
740 J/kg
Mixed-layer CIN
-106 J/kg
Mixed-layer LCL
1004 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

282 
WUUS51 KOKX 081858
SVROKX
NJC003-081945-
/O.NEW.KOKX.SV.W.0020.210608T1858Z-210608T1945Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
258 PM EDT Tue Jun 8 2021

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
  Southeastern Bergen County in northeastern New Jersey...

* Until 345 PM EDT.

* At 258 PM EDT, a severe thunderstorm was located over Teterboro, or
  over Ridgefield, moving northeast at 15 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to trees and power lines.

* Locations impacted include...
  Hackensack, Bergenfield, Paramus, Ridgefield, Fort Lee, Englewood,
  Oradell, Teterboro, Teaneck, Garfield, Lodi, Palisades Park,
  Elmwood Park, Dumont and New Milford.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4084 7412 4086 7412 4086 7411 4089 7413
      4090 7413 4097 7405 4100 7391 4100 7389
      4089 7393 4083 7398 4081 7401 4082 7402
      4081 7404 4081 7406 4079 7408
TIME...MOT...LOC 1858Z 240DEG 14KT 4085 7405 

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

JC

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 2:02 PM EDTAreal Flood AdvisoryOKXPassaic118 min
Jun 8, 2:26 PM EDTSpecial Weather StatementOKXBergen, Passaic49 min
Jun 8, 2:40 PM EDTSevere Thunderstorm WarningOKXBergen35 min
Jun 8, 3:06 PM EDTAreal Flood AdvisoryOKXBergen114 min
Jun 8, 3:10 PM EDTSevere Thunderstorm WarningOKXBergen50 min
Jun 8, 3:14 PM EDTSpecial Weather StatementOKXEssex, Union46 min
Jun 8, 3:15 PM EDTFlash Flood WarningOKXBergen, Essex, Hudson, Passaic, Union3 hr
Jun 8, 3:29 PM EDTSevere Thunderstorm WarningOKXBergen, Essex, Hudson, Union46 min
Jun 8, 3:30 PM EDTFlash Flood WarningOKXBergen3 hr
Jun 8, 3:49 PM EDTFlash Flood WarningOKXHudson2 hr
Jun 8, 4:15 PM EDTSevere Thunderstorm WarningOKXHudson43 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2021Every severe thunderstorm warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.