Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 84, NWS New York, NY

November 13, 20215 counties in New York; 5 counties in New Jersey

NWS New York, NY issued this severe thunderstorm warning at Nov 13, 2021, 1:48 PM EST for 5 counties in New York; 5 counties in New Jersey. It was in force for 42 min. 4 reports 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
Nov 13, 2021, 1:48 PM EST (18:48 UTC)
Expired
Nov 13, 2021, 2:30 PM EST
In force
42 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Philadelphia radar (KDIX), 85 km from the middle of the area, began a volume at 18:51 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
Nov 13, 2:15 PM ESTHAIL 1.25Greenwich Village, NY
Nov 13, 2:16 PM ESTHAIL 0.752 S Battery Park, NY
Nov 13, 2:17 PM ESTHAIL 0.75Greenwich Village, NY
Nov 13, 2:18 PM ESTTSTM WND DMG1 Nne Greenwich Village, NYNYPD REPORTS A LIGHT POLE BLOWN DOWN ONTO MTA BUS. NO INJURIES.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 13, 12:27 PM ESTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 6.8 hours before the alert went out and 110 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 2021-11-13Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2021-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117136Sfc1 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
1435 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

263 
WUUS51 KOKX 131848
SVROKX
NJC003-013-017-031-039-NYC005-047-061-081-085-131930-
/O.NEW.KOKX.SV.W.0084.211113T1848Z-211113T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
148 PM EST Sat Nov 13 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...
  Central Bergen County in northeastern New Jersey...
  Essex County in northeastern New Jersey...
  Queens County in southeastern New York...
  Richmond County in southeastern New York...
  Bronx County in southeastern New York...
  Kings County in southeastern New York...
  New York (Manhattan) County in southeastern New York...

* Until 230 PM EST.

* At 148 PM EST, a severe thunderstorm was located over Sayreville,
  or near Perth Amboy, moving northeast at 50 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Minor hail damage to vehicles is possible. Expect wind 
           damage to trees and power lines.

* This severe thunderstorm will be near...
  Huguenot and Clark around 155 PM EST.
  Linden and Oakwood around 200 PM EST.
  Elizabeth and Todt Hill around 205 PM EST.
  Newark and Bayonne around 210 PM EST.
  Jersey City and Hoboken around 215 PM EST.
  Passaic and Rutherford around 220 PM EST.
  Mott Haven and Hackensack around 225 PM EST.
  East Tremont and Bergenfield around 230 PM EST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4050 7428 4051 7426 4055 7425 4057 7421
      4060 7422 4060 7444 4081 7434 4095 7425
      4102 7404 4096 7390 4092 7391 4089 7375
      4057 7402 4060 7403 4053 7411 4050 7422
TIME...MOT...LOC 1848Z 217DEG 42KT 4050 7433 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

JC
1 follow-up statement
314 
WWUS51 KOKX 131928
SVSOKX

Severe Weather Statement
National Weather Service New York NY
228 PM EST Sat Nov 13 2021

NJC003-013-017-031-039-NYC005-047-061-081-085-131938-
/O.EXP.KOKX.SV.W.0084.000000T0000Z-211113T1930Z/
Hudson NJ-Passaic NJ-Union NJ-Bergen NJ-Essex NJ-Queens NY-
Richmond NY-Bronx NY-Kings NY-New York (Manhattan) NY-
228 PM EST Sat Nov 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR HUDSON...EASTERN PASSAIC...
UNION...CENTRAL BERGEN...ESSEX...QUEENS...RICHMOND...BRONX...KINGS
AND NEW YORK (MANHATTAN) COUNTIES WILL EXPIRE AT 230 PM EST...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 700 PM EST for
northeastern New Jersey...and southeastern New York.

LAT...LON 4050 7428 4051 7426 4055 7425 4057 7421
      4060 7422 4060 7444 4081 7434 4095 7425
      4102 7404 4096 7390 4092 7391 4089 7375
      4057 7402 4060 7403 4053 7411 4050 7422
TIME...MOT...LOC 1928Z 217DEG 42KT 4084 7399 

$$

JC

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 12:47 PM ESTSpecial Weather StatementOKXOrange88 min
Nov 13, 1:02 PM ESTSevere Thunderstorm WarningOKXOrange47 min
Nov 13, 1:26 PM ESTSevere Thunderstorm WarningOKXOrange, Putnam, Rockland, Westchester49 min
Nov 13, 1:54 PM ESTSpecial Marine WarningOKX96 min
Nov 13, 2:11 PM ESTSpecial Weather StatementOKXPutnam49 min
Nov 13, 2:22 PM ESTSevere Thunderstorm WarningOKXKings, Nassau, Queens38 min
Nov 13, 2:47 PM ESTSpecial Marine WarningOKX58 min
Nov 13, 2:53 PM ESTTornado WarningOKXNassau, Suffolk37 min
Nov 13, 2:59 PM ESTSpecial Marine WarningOKX61 min
Nov 13, 3:18 PM ESTSpecial Weather StatementOKXSuffolk57 min
Nov 13, 3:20 PM ESTTornado WarningOKXSuffolk25 min
Nov 13, 3:36 PM ESTSpecial Marine WarningOKX54 min
Nov 13, 3:40 PM ESTTornado WarningOKXSuffolk24 min
Nov 13, 3:54 PM ESTSpecial Marine WarningOKX66 min
Nov 13, 3:57 PM ESTTornado WarningOKXSuffolk18 min
Nov 13, 4:07 PM ESTTornado WarningOKXSuffolk23 min
Nov 13, 4:11 PM ESTSpecial Marine WarningOKX47 min
Nov 13, 4:18 PM ESTSevere Thunderstorm WarningOKXSuffolk27 min
Nov 13, 4:30 PM ESTSevere Thunderstorm WarningOKXSuffolk30 min

Nearby

Severe Thunderstorm Warnings in New York, 2021Severe 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.