Alert archive / New Jersey / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 70, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Sep 1, 2021, 8:32 PM EDT for Essex County, Hudson County, Union County, New Jersey; New York County, Richmond County, New York. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 8:32 PM EDT (00:32 UTC)
- Expired
- Sep 1, 2021, 9:15 PM EDT
- In force
- 43 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Essex County, NJ, Hudson County, NJ, Union County, NJ, 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 00:34 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 1, 6:22 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 0.5 hours before the alert went out and 109 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
- 123 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 512 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 279 m²/s²
- 0-3 km storm-relative helicity
- 456 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted.
161
WUUS51 KOKX 020032
SVROKX
NJC013-017-039-NYC061-085-020115-
/O.NEW.KOKX.SV.W.0070.210902T0032Z-210902T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
832 PM EDT Wed Sep 1 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Hudson County in northeastern New Jersey...
Southeastern Union County in northeastern New Jersey...
Southeastern Essex County in northeastern New Jersey...
Richmond County in southeastern New York...
New York (Manhattan) County in southeastern New York...
* Until 915 PM EDT.
* At 832 PM EDT, a severe thunderstorm was located over Carteret, or
over Linden, moving northeast at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* This severe thunderstorm will be near...
Todt Hill around 845 PM EDT.
Elizabeth and Port Richmond around 850 PM EDT.
Bayonne and Tompkinsville around 855 PM EDT.
Newark around 900 PM EDT.
Harrison around 905 PM EDT.
Jersey City and Kearny around 910 PM EDT.
Hoboken and Secaucus around 915 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Tornado Watch remains in effect until 100 AM EDT for northeastern
New Jersey...and southeastern New York.
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
building.
A Tornado Watch remains in effect until 100 AM EDT for northeastern
New Jersey...and southeastern New York.
&&
LAT...LON 4055 7424 4056 7421 4059 7421 4060 7422
4059 7428 4060 7430 4081 7414 4079 7415
4077 7413 4078 7410 4076 7409 4079 7408
4072 7397 4071 7397 4070 7400 4068 7401
4067 7405 4064 7404 4053 7418
TIME...MOT...LOC 0032Z 215DEG 15KT 4060 7422
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JCThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 8:15 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson | 45 min |
| Sep 1, 9:03 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Hudson | 42 min |
| Sep 1, 9:25 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Hudson | 65 min |
| Sep 1, 11:54 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 3 hr |
| Sep 2, 1:06 AM EDT | Areal Flood Warning | OKX | Bergen | 4 hr |
| Sep 2, 2:53 AM EDT | Areal Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 7 hr |
| Sep 2, 5:01 AM EDT | Areal Flood Warning | OKX | Bergen, Passaic | 3 hr |
| Sep 2, 10:16 AM EDT | Areal Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 25 hr |
| Sep 1, 9:06 PM EDT | Tornado Warning | OKX | Bronx, New York, Westchester | 24 min |
| Sep 1, 9:15 PM EDT | Special Marine Warning | OKX | 60 min | |
| Sep 1, 9:25 PM EDT | Special Marine Warning | OKX | 65 min | |
| Sep 1, 9:28 PM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Queens, Westchester | 2 hr |
| Sep 1, 9:34 PM EDT | Special Marine Warning | OKX | 12 min | |
| Sep 1, 9:56 PM EDT | Special Marine Warning | OKX | 34 min | |
| Sep 1, 9:57 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Nassau, Queens | 48 min |
| Sep 1, 10:08 PM EDT | Flash Flood Warning | OKX | Nassau, Westchester | 4 hr |
| Sep 1, 10:09 PM EDT | Special Marine Warning | OKX | 96 min | |
| Sep 1, 10:12 PM EDT | Special Marine Warning | OKX | 20 min | |
| Sep 1, 10:20 PM EDT | Severe Thunderstorm Warning | OKX | Westchester | 55 min |
| Sep 1, 10:26 PM EDT | Special Marine Warning | OKX | 64 min | |
| Sep 1, 10:30 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 45 min |
| Sep 1, 10:39 PM EDT | Tornado Warning | OKX | Suffolk | 36 min |
| Sep 1, 10:44 PM EDT | Severe Thunderstorm Warning | OKX | Nassau | 46 min |
| Sep 1, 10:47 PM EDT | Special Marine Warning | OKX | 118 min | |
| Sep 1, 10:55 PM EDT | Special Marine Warning | OKX | 45 min | |
| Sep 1, 11:11 PM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 64 min |
| Sep 1, 11:13 PM EDT | Flash Flood Warning | OKX | Suffolk | 6 hr |
| Sep 1, 11:19 PM EDT | Special Marine Warning | OKX | 86 min | |
| Sep 2, 12:13 AM EDT | Severe Thunderstorm Warning | OKX | Suffolk | 92 min |
| Sep 2, 12:25 AM EDT | Flash Flood Warning | OKX | Nassau, Queens, Suffolk | 4 hr |
| Sep 2, 12:28 AM EDT | Special Marine Warning | OKX | 92 min | |
| Sep 2, 12:48 AM EDT | River Flood Warning | OKX | Orange, Ulster | 12 hr |
| Sep 2, 1:50 AM EDT | Special Weather Statement | OKX | Suffolk | 40 min |
| Sep 2, 1:57 AM EDT | Special Marine Warning | OKX | 80 min | |
| Sep 2, 2:30 AM EDT | Areal Flood Warning | OKX | Bronx, Nassau, Putnam, Queens, Rockland, Suffolk and 1 more | 8 hr |
| Sep 2, 3:50 AM EDT | Rip Current Statement | OKX | Kings, Nassau, Queens, Suffolk | 16 hr |
| Sep 2, 4:38 AM EDT | Areal Flood Advisory | OKX | Nassau, Queens, Suffolk | 3 hr |
| Sep 2, 4:55 AM EDT | Areal Flood Advisory | OKX | Suffolk | 3 hr |
| Sep 2, 7:49 AM EDT | Areal Flood Advisory | OKX | Orange, Putnam, Rockland, Westchester | 10 hr |
| Sep 2, 10:07 AM EDT | Areal Flood Warning | OKX | Putnam, Rockland, Westchester | 15 hr |
| Sep 2, 10:59 AM EDT | Small Craft Advisory | OKX | 19 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.