Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 14, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 4, 2021, 3:43 PM EDT for Bergen County, Hudson County, New Jersey; 7 counties in New York. It was in force for 47 min. 9 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
- Jun 4, 2021, 3:43 PM EDT (19:43 UTC)
- Expired
- Jun 4, 2021, 4:30 PM EDT
- In force
- 47 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Bergen County, NJ, Hudson County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Westchester County, NY
The radar
The Philadelphia radar (KDIX), 90 km from the middle of the area, began a volume at 19:47 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 4, 3:49 PM EDT | TSTM WND DMG | 1 Sw West Shore Express, NY | 4 TREES REPORTED DOWN. |
| Jun 4, 3:57 PM EDT | HAIL 1.25 | Edgewater, NJ | HALF-DOLLAR SIZE HAIL REPORTED. |
| Jun 4, 3:58 PM EDT | TSTM WND DMG | Midtown Manhattan, NY | TREE DOWN AT THE INTERSECTION OF 9TH AVE. AND 45TH ST. |
| Jun 4, 4:01 PM EDT | TSTM WND DMG | 2 Sse Midtown Manhattan, NY | 6 TREES REPORTED DOWN. |
| Jun 4, 4:02 PM EDT | TSTM WND DMG | 1 Nw New York, NY | 3 TREES REPORTED DOWN. |
| Jun 4, 4:02 PM EDT | TSTM WND DMG | 2 Wsw Crown Heights, NY | 29 TREES REPORTED DOWN. |
| Jun 4, 4:05 PM EDT | TSTM WND DMG | Mott Haven, NY | 5 TREES REPORTED DOWN. |
| Jun 4, 4:07 PM EDT | TSTM WND DMG | 2 W Crown Heights, NY | LARGE BRANCHES DOWNED. 60-70 MPH WINDS ESTIMATED. |
| Jun 4, 4:08 PM EDT | HAIL 1.5 | Astoria, NY | PING PONG BALL SIZED REPORTED. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 4, 3:09 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 7.7 hours before the alert went out and 96 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.
- Mixed-layer CAPE
- 233 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 526 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
909
WUUS51 KOKX 041943
SVROKX
NJC003-017-NYC005-047-059-061-081-085-119-042030-
/O.NEW.KOKX.SV.W.0014.210604T1943Z-210604T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
343 PM EDT Fri Jun 4 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Hudson County in northeastern New Jersey...
Southeastern Bergen County in northeastern New Jersey...
Southern Westchester County in southeastern New York...
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...
Western Nassau County in southeastern New York...
* Until 430 PM EDT.
* At 342 PM EDT, severe thunderstorms were located along a line
extending from Ridgewood to New Brunswick, moving southeast at 30
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.
* Severe thunderstorms will be near...
Hackensack and Teterboro around 350 PM EDT.
Bergenfield and Ridgefield around 355 PM EDT.
Fort Lee and Englewood around 400 PM EDT.
Yonkers and Mott Haven around 405 PM EDT.
East Tremont and Laguardia Airport around 410 PM EDT.
New Rochelle and Flushing around 415 PM EDT.
Rye and Bayside around 420 PM EDT.
Great Neck and Sands Point around 425 PM EDT.
This includes the following New York State COVID tent sites
Lehman College...
Bay Plaza...
New Rochelle...
Aqueduct Racetrack...
Staten Island OMH...
and Beverly Road in Brooklyn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4056 7421 4063 7420 4064 7416 4070 7411
4074 7412 4074 7415 4100 7399 4095 7366
4090 7374 4086 7375 4088 7372 4085 7370
4057 7369 4057 7376 4053 7394 4056 7395
4056 7401 4060 7403 4053 7410 4050 7426
TIME...MOT...LOC 1942Z 292DEG 28KT 4097 7410 4049 7444
HAIL...1.00IN
WIND...60MPH
$$
MW1 follow-up statement
175
WWUS51 KOKX 042005
SVSOKX
Severe Weather Statement
National Weather Service New York NY
405 PM EDT Fri Jun 4 2021
NJC003-017-NYC005-047-059-061-081-085-119-042030-
/O.CON.KOKX.SV.W.0014.000000T0000Z-210604T2030Z/
Hudson NJ-Bergen NJ-Westchester NY-Queens NY-Richmond NY-Bronx NY-
Kings NY-New York (Manhattan) NY-Nassau NY-
405 PM EDT Fri Jun 4 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR HUDSON...SOUTHEASTERN BERGEN...SOUTHERN WESTCHESTER...QUEENS...
RICHMOND...BRONX...KINGS...NEW YORK (MANHATTAN) AND WESTERN NASSAU
COUNTIES...
At 405 PM EDT, severe thunderstorms were located along a line
extending from Riverdale to Matawan, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
These severe storms will be near...
Yonkers and Mott Haven around 410 PM EDT.
New Rochelle and Flushing around 415 PM EDT.
Rye and Bayside around 420 PM EDT.
Great Neck and Sands Point around 425 PM EDT.
This includes the following New York State COVID tent sites
Lehman College...
Bay Plaza...
New Rochelle...
Aqueduct Racetrack...
Staten Island OMH...
and Beverly Road in Brooklyn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4056 7421 4063 7420 4064 7416 4070 7411
4074 7412 4074 7415 4100 7399 4095 7366
4090 7374 4086 7375 4088 7372 4085 7370
4057 7369 4057 7376 4053 7394 4056 7395
4056 7401 4060 7403 4053 7410 4050 7426
TIME...MOT...LOC 2005Z 292DEG 28KT 4090 7388 4042 7422
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
MWThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 2:48 PM EDT | Special Weather Statement | OKX | Bergen, Essex, Passaic | 42 min |
| Jun 4, 3:10 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 50 min |
| Jun 4, 3:11 PM EDT | Areal Flood Advisory | OKX | Bergen, Passaic | 94 min |
| Jun 4, 3:24 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 111 min |
| Jun 4, 3:55 PM EDT | Areal Flood Advisory | OKX | Hudson | 95 min |
| Jun 4, 3:24 PM EDT | Special Marine Warning | OKX | 96 min | |
| Jun 4, 3:28 PM EDT | Special Weather Statement | OKX | Rockland, Westchester | 47 min |
| Jun 4, 3:32 PM EDT | Areal Flood Advisory | OKX | Orange, Rockland, Westchester | 97 min |
| Jun 4, 3:52 PM EDT | Special Marine Warning | OKX | 85 min | |
| Jun 4, 4:19 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Kings, Nassau, Queens, Suffolk, Westchester | 41 min |
| Jun 4, 4:29 PM EDT | Special Marine Warning | OKX | 61 min | |
| Jun 4, 4:30 PM EDT | Areal Flood Advisory | OKX | Nassau, Suffolk | 90 min |
| Jun 4, 5:03 PM EDT | Special Weather Statement | OKX | Nassau | 42 min |
| Jun 4, 7:51 PM EDT | Small Craft Advisory | OKX | 2 hr |
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.