Alert archive / New York / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 37, NWS New York, NY

July 6, 20215 counties in New Jersey; 8 counties in New York

NWS New York, NY issued this severe thunderstorm warning at Jul 6, 2021, 5:53 PM EDT for 5 counties in New Jersey; 8 counties in New York. It was in force for 37 min. 25 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
Jul 6, 2021, 5:53 PM EDT (21:53 UTC)
Expired
Jul 6, 2021, 6:30 PM EDT
In force
37 min
Issued by
NWS New York, NY
Area
Storm-based polygon
Hail
0.75 in
Wind
70.0 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, Orange County, NY, Queens County, NY, Richmond County, NY, Rockland County, NY, Westchester County, NY

The radar

The Philadelphia radar (KDIX), 102 km from the middle of the area, began a volume at 21:54 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
Jul 6, 6:08 PM EDTTSTM WND DMG1 Sw Oakland, NJTREE DOWN AT DOTY RD AND RT. 202. ROAD CLOSED IN ONE DIRECTION.
Jul 6, 6:10 PM EDTTSTM WND DMGWayne, NJPUBLIC REPORTS TREES DOWN, GARBAGE CANS LITTERING STREET.
Jul 6, 6:15 PM EDTTSTM WND DMG1 Ene Fair Lawn, NJTREE DOWN ON CENTURY ROAD BETWEEN PARAMUS AND SADDLE RIVER ROAD.
Jul 6, 6:15 PM EDTTSTM WND DMG1 Nw Oradell, NJTREE DOWN ON SOLDIER HILL ROAD.
Jul 6, 6:15 PM EDTTSTM WND DMG1 Sw Wyckoff, NJTREES AND BRANCHES DOWN ON ROUTE 208 FROM FAIR LAWN TO OAKLAND ON BOTH NORTH AND SOUND BOUND SIDES.
Jul 6, 6:18 PM EDTTSTM WND DMG1 Se Hawthorne, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SE HAWTHORNE. FALLEN TREE REPORTED ON HOUSE. TIME ESTIMATED FROM RADAR.
Jul 6, 6:20 PM EDTTSTM WND DMG1 N Westwood, NJTREE DOWN ON HOUSE IN WESTWOOD.
Jul 6, 6:20 PM EDTTSTM WND DMG1 S Bloomfield, NJDOWNED TREE ON GARDEN STATE PARKWAY SOUTHBOUND AT EXIT 149.
Jul 6, 6:20 PM EDTTSTM WND DMGMontvale, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM MONTVALE. FALLEN TREE REPORTED ON HOUSE.
Jul 6, 6:22 PM EDTTSTM WND DMG1 Nw Montvale, NJDOWNED TREE ON GARDEN STATE PARKWAY SOUTHBOUND SOUTH OF MONTVALE SERVICE AREA. ALL LANES AND LEFT SHOULDER BLOCKED.
Jul 6, 6:26 PM EDTTSTM WND GST 58Newark Airport, NJ
Jul 6, 6:28 PM EDTTSTM WND DMG1 Wsw Piermont, NYDOWNED TREE ON PALISADES INTERSTATE PARKWAY NORTHBOUND OF EXIT 5B-NY 303 IN ORANGETOWN. RIGHT LANE BLOCKED.
Jul 6, 6:29 PM EDTTSTM WND DMG1 Sse Waldwick, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 SSE WALDWICK. FALLEN TREE REPORTED ON HOUSE. TIME ESTIMATED FROM RADAR.
Jul 6, 6:30 PM EDTTSTM WND DMG1 E Livingston, NJPRIMARY WIRES DOWN, TREE ACROSS ROAD.
Jul 6, 6:30 PM EDTTSTM WND DMG1 Wnw Fair Lawn, NJCORRECTS PREVIOUS TSTM WND DMG REPORT FROM 1 WNW FAIR LAWN. OUTDOOR TENT BLOWN DOWN AT EMPRESS DINER. TIME ESTIMATED FROM RADAR.
Jul 6, 6:30 PM EDTTSTM WND GST 58Midtown Manhattan, NY58 MPH AT THE MIDTOWN MANHATTAN NEW YORK STATE MESONET.
Jul 6, 6:31 PM EDTTSTM WND DMG1 N Roselle Park, NJFALLEN TREE ON CAR.
Jul 6, 6:31 PM EDTTSTM WND DMG1 S Bayside, NYTREE DOWN BLOCKING ROAD ON 32ND AVENUE NORTH OF BELL BOULEVARD.
Jul 6, 6:31 PM EDTTSTM WND DMG1 S Bayside, NYTREE DOWN ON 213TH STREET NORTH OF 32ND AVE.
Jul 6, 6:34 PM EDTTSTM WND DMG1 Se Hawthorne, NJFALLEN TREE REPORTED ON HOUSE.
Jul 6, 6:35 PM EDTTSTM WND GST 612 Nw Jamaica, NY61 MPH AT KEW GARDEN HILLS NEW YORK STATE MESONET.
Jul 6, 6:37 PM EDTTSTM WND DMG1 W Roselle Park, NJFALLEN TREE REPORTED ON HOUSE.
Jul 6, 6:37 PM EDTMARINE TSTM WIND 441 Ene Bayonne, NJMESONET STATION XBYO BAYONNE.
Jul 6, 6:40 PM EDTTSTM WND DMG1 N Ozone Park, NYTREE DOWN ON THE JACKIE ROBINSON PARKWAY NEAT EXIT 4. ROAD IS CLOSED AND FIRE DEPARTMENT IS ON SCENE.
Jul 6, 6:40 PM EDTTSTM WND DMGMontvale, NJFALLEN TREE REPORTED ON HOUSE.

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
Jul 6, 1:32 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 9.9 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 2021-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 230 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.193958Sfc1 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
230 J/kg
Mixed-layer CIN
-195 J/kg
Mixed-layer LCL
1202 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

202 
WUUS51 KOKX 062153
SVROKX
NJC003-013-017-031-039-NYC005-047-061-071-081-085-087-119-062230-
/O.NEW.KOKX.SV.W.0037.210706T2153Z-210706T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
553 PM EDT Tue Jul 6 2021

The National Weather Service in Upton NY has issued a

* Severe Thunderstorm Warning for...
  Hudson County in northeast New Jersey...
  Passaic County in northeast New Jersey...
  Union County in northeast New Jersey...
  Bergen County in northeast New Jersey...
  Essex County in northeast New Jersey...
  Southeastern Orange County in southeast New York...
  Queens County in southeast New York...
  Richmond County in southeast New York...
  Bronx County in southeast New York...
  Kings County in southeast New York...
  Rockland County in southeast New York...
  Southern Westchester County in southeast New York...
  New York (Manhattan) County in southeast New York...

* Until 630 PM EDT.

* At 549 PM EDT, severe thunderstorms were located along a line
  extending from near Vernon Valley to near Lake Telemark to near
  Chester, moving east at 55 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, outbuildings.

* Severe thunderstorms will be near...
  Bloomingdale around 555 PM EDT.
  Wayne, Ringwood, Pompton Lakes, Fairfield and Greenwood Lake 
  around 600 PM EDT.
  Sloatsburg and Hawthorne around 605 PM EDT.
  Paterson, Paramus, Summit, and Caldwell around 610 PM EDT.
  Bloomfield and Hackensack around 615 PM EDT.
  Newark, Ridgefield, Harlem and Riverdale around 620 PM EDT.
  Jersey City, Yonkers, Bayonne, and Secaucus around 625 PM EDT.
  Flatbush, Flushing, Hoboken, Coney Island, Crown Heights,
  the Throgs Neck Bridge and Midtown Manhattan around 630 PM EDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Damaging winds and continuous cloud to ground lightning are 
occurring with these storms. Move indoors immediately. Remember, if 
you can hear thunder, you are close enough to be struck by 
lightning. 

&&

LAT...LON 4060 7422 4060 7446 4066 7440 4067 7446
      4076 7436 4090 7434 4091 7427 4100 7430
      4104 7450 4109 7450 4120 7437 4131 7453
      4119 7353 4110 7373 4100 7364 4082 7379
      4074 7370 4054 7391 4060 7403 4050 7425
TIME...MOT...LOC 2149Z 284DEG 47KT 4123 7444 4098 7446 4082 7468 

HAIL...<.75IN
WIND...70MPH
 
$$

Goodman

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 6:28 PM EDTSevere Thunderstorm WarningOKXBergen, Hudson, Union47 min
Jul 6, 4:10 PM EDTSpecial Weather StatementOKXDutchess50 min
Jul 6, 4:43 PM EDTSpecial Weather StatementOKXOrange47 min
Jul 6, 5:08 PM EDTSevere Thunderstorm WarningOKXPutnam32 min
Jul 6, 5:15 PM EDTSpecial Weather StatementOKXOrange45 min
Jul 6, 5:49 PM EDTSevere Thunderstorm WarningOKXWestchester56 min
Jul 6, 5:56 PM EDTSpecial Marine WarningOKX94 min
Jul 6, 5:58 PM EDTSpecial Marine WarningOKX92 min
Jul 6, 6:24 PM EDTSpecial Marine WarningOKX2 hr
Jul 6, 6:37 PM EDTSpecial Weather StatementOKXSuffolk38 min
Jul 6, 6:58 PM EDTSevere Thunderstorm WarningOKXSuffolk47 min
Jul 6, 7:07 PM EDTSpecial Marine WarningOKX98 min
Jul 6, 7:36 PM EDTAreal Flood AdvisoryOKXSuffolk114 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.