Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS New York, NY

March 28, 20215 counties in New Jersey; Kings County, New York County, Richmond County, New York

NWS New York, NY issued this severe thunderstorm warning at Mar 28, 2021, 7:14 PM EDT for 5 counties in New Jersey; Kings County, New York County, Richmond County, New York. It was in force for 49 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
Mar 28, 2021, 7:14 PM EDT (23:14 UTC)
Expired
Mar 28, 2021, 8:03 PM EDT
In force
49 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bergen County, NJ, Essex County, NJ, Hudson County, NJ, Passaic County, NJ, Union County, NJ, Kings County, NY, New York County, NY, Richmond County, NY

The radar

The Philadelphia radar (KDIX), 84 km from the middle of the area, began a volume at 23:14 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
Mar 28, 7:48 PM EDTTSTM WND GST 722 Nw Westerleigh, NY

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, 11.2 hours before the alert went out and 111 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 2021-03-28Temperature 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 2021-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.1939587897117Sfc1 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
666 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
285 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

314 
WUUS51 KOKX 282314
SVROKX
NJC003-013-017-031-039-NYC047-061-085-290015-
/O.NEW.KOKX.SV.W.0001.210328T2314Z-210329T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
714 PM EDT Sun Mar 28 2021

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
  Hudson County in northeastern New Jersey...
  Eastern Passaic County in northeastern New Jersey...
  Union County in northeastern New Jersey...
  Southeastern Bergen County in northeastern New Jersey...
  Essex County in northeastern New Jersey...
  Richmond County in southeastern New York...
  Kings County in southeastern New York...
  New York (Manhattan) County in southeastern New York...

* Until 815 PM EDT.

* At 712 PM EDT, a strong gust front with heavy downpours and 
  possibly a thunderstorm was located along a line extending from 
  Rockaway to near Martinsville to near Levittown, moving east at 40 
  mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Gust front with heavy downpours and possibly a thunderstorm will 
  be near... Plainfield around 725 PM EDT.
  Summit and Millburn around 730 PM EDT.
  Orange and Clark around 735 PM EDT.
  Elizabeth and Passaic around 740 PM EDT.
  Newark and Lyndhurst around 745 PM EDT.
  Jersey City and Bayonne around 750 PM EDT.
  The Verrazano Narrows Bridge and Midtown Manhattan around 755 PM 
  EDT.
  Flatbush and Coney Island around 800 PM EDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Wind damage with these storms may occur without any lightning or 
thnder. Do not wait for the sound of thunder before taking cover.
SEEK SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.

&&

LAT...LON 4050 7426 4056 7424 4057 7421 4060 7422
      4060 7446 4066 7440 4067 7446 4076 7436
      4086 7432 4090 7434 4090 7413 4087 7391
      4084 7393 4078 7392 4074 7396 4073 7393
      4056 7396 4056 7399 4060 7404 4053 7411
TIME...MOT...LOC 2312Z 273DEG 36KT 4089 7451 4065 7458 4015 7489 

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

NV
1 follow-up statement
668 
WWUS51 KOKX 290003
SVSOKX

Severe Weather Statement
National Weather Service New York NY
803 PM EDT Sun Mar 28 2021

NJC003-013-017-031-039-NYC047-061-085-290012-
/O.CAN.KOKX.SV.W.0001.000000T0000Z-210329T0015Z/
Hudson NJ-Passaic NJ-Union NJ-Bergen NJ-Essex NJ-Richmond NY-
Kings NY-New York (Manhattan) NY-
803 PM EDT Sun Mar 28 2021

...THE SEVERE THUNDERSTORM WARNING FOR HUDSON...EASTERN PASSAIC...
UNION...SOUTHEASTERN BERGEN...ESSEX...RICHMOND...KINGS AND NEW YORK
(MANHATTAN) COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.

Wind gusts of 50 to 55 mph were observed over parts of the warning 
area. 

To report severe weather, contact your nearest law enforcement 
agency. They will relay your report to the National Weather Service 
Upton NY.

LAT...LON 4050 7426 4056 7424 4057 7421 4060 7422
      4060 7446 4066 7440 4067 7446 4076 7436
      4086 7432 4090 7434 4090 7413 4087 7391
      4084 7393 4078 7392 4074 7396 4073 7393
      4056 7396 4056 7399 4060 7404 4053 7411
TIME...MOT...LOC 0001Z 273DEG 36KT 4086 7386 4062 7393 4012 7425 

$$

NV

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 3:54 AM EDTWind AdvisoryOKXBergen, Essex, Hudson, Passaic, Union34 hr
Mar 28, 6:30 PM EDTSpecial Weather StatementOKXPassaic60 min
Mar 28, 6:47 PM EDTSpecial Weather StatementOKXEssex, Hudson, Union58 min
Mar 28, 7:26 PM EDTSpecial Weather StatementOKXBergen, Passaic49 min
Mar 28, 3:58 AM EDTGale WarningOKX34 hr
Mar 28, 12:13 PM EDTAreal Flood AdvisoryOKXSuffolk2 hr
Mar 28, 1:48 PM EDTMarine Dense Fog AdvisoryOKX8 hr
Mar 28, 4:41 PM EDTDense Fog AdvisoryOKXNassau, Suffolk4 hr
Mar 28, 5:56 PM EDTSpecial Weather StatementOKXOrange64 min
Mar 28, 7:08 PM EDTSpecial Marine WarningOKX97 min
Mar 28, 7:55 PM EDTSpecial Weather StatementOKXBronx, Nassau, Queens50 min

Nearby

Severe Thunderstorm Warnings in New Jersey, 2021Severe Thunderstorm Warnings in New York, 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.