Alert archive / New Jersey / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 21, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jun 11, 2026, 9:44 PM EDT for Essex County, Hudson County, Union County, New Jersey. It was in force for 24 min. 3 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 11, 2026, 9:44 PM EDT (01:44 UTC)
- Expired
- Jun 11, 2026, 10:08 PM EDT
- In force
- 24 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Essex County, NJ, Hudson County, NJ, Union County, NJ
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 01:47 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 11, 9:45 PM EDT | TSTM WND DMG | 1 W Berkeley Heights, NJ | Large tree branch down on Willow Way in Berkeley Heights. |
| Jun 11, 9:45 PM EDT | TSTM WND DMG | 1 W Berkeley Heights, NJ | Large tree branch down on Willow Way in Berkeley Heights. |
| Jun 11, 9:45 PM EDT | TSTM WND DMG | 1 W Berkeley Heights, NJ | Large tree branch down on Willow Way in Berkeley Heights. |
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 11, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 1.7 hours before the alert went out and 118 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
- 783 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 1469 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 168 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted.
935
WUUS51 KOKX 120144
SVROKX
NJC013-017-039-120230-
/O.NEW.KOKX.SV.W.0021.260612T0144Z-260612T0230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
944 PM EDT Thu Jun 11 2026
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Hudson County in northeastern New Jersey...
Union County in northeastern New Jersey...
Essex County in northeastern New Jersey...
* Until 1030 PM EDT.
* At 944 PM EDT, severe thunderstorms were located along a line
extending from Morristown to near Plainfield, moving east at 30
mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Severe thunderstorms will be near...
Summit and Millburn around 950 PM EDT.
Union around 955 PM EDT.
Orange and Caldwell around 1000 PM EDT.
Newark and Elizabeth around 1005 PM EDT.
Bloomfield and Harrison around 1010 PM EDT.
Bayonne and Kearny around 1015 PM EDT.
Jersey City around 1020 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4061 7442 4067 7440 4065 7445 4067 7446
4074 7436 4079 7437 4082 7433 4085 7433
4086 7420 4082 7413 4078 7415 4076 7413
4075 7409 4078 7408 4067 7404 4065 7406
4064 7414 4065 7419 4063 7420
TIME...MOT...LOC 0144Z 261DEG 25KT 4080 7450 4067 7444
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JT2 follow-up statements
209
WWUS51 KOKX 120156
SVSOKX
Severe Weather Statement
National Weather Service New York NY
956 PM EDT Thu Jun 11 2026
NJC017-120206-
/O.CAN.KOKX.SV.W.0021.000000T0000Z-260612T0230Z/
Hudson NJ-
956 PM EDT Thu Jun 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR HUDSON COUNTY IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northeastern New Jersey.
&&
LAT...LON 4065 7440 4067 7440 4065 7445 4067 7446
4074 7436 4077 7437 4080 7419 4074 7417
4072 7417 4068 7418 4067 7420 4066 7424
TIME...MOT...LOC 0156Z 261DEG 25KT 4081 7440 4068 7434
$$
NJC013-039-120230-
/O.CON.KOKX.SV.W.0021.000000T0000Z-260612T0230Z/
Union NJ-Essex NJ-
956 PM EDT Thu Jun 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 PM EDT
FOR CENTRAL UNION AND SOUTHERN ESSEX COUNTIES...
At 956 PM EDT, severe thunderstorms were located along a line
extending from East Hanover to near Summit, moving east at 30 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
These severe storms will be near...
Orange and Millburn around 1000 PM EDT.
Newark around 1005 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4065 7440 4067 7440 4065 7445 4067 7446
4074 7436 4077 7437 4080 7419 4074 7417
4072 7417 4068 7418 4067 7420 4066 7424
TIME...MOT...LOC 0156Z 261DEG 25KT 4081 7440 4068 7434
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JT842
WWUS51 KOKX 120208
SVSOKX
Severe Weather Statement
National Weather Service New York NY
1008 PM EDT Thu Jun 11 2026
NJC013-039-120217-
/O.CAN.KOKX.SV.W.0021.000000T0000Z-260612T0230Z/
Union NJ-Essex NJ-
1008 PM EDT Thu Jun 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL UNION AND SOUTHERN
ESSEX COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until midnight EDT for
northeastern New Jersey.
&&
LAT...LON 4065 7440 4067 7440 4065 7445 4067 7446
4074 7436 4077 7437 4080 7419 4074 7417
4072 7417 4068 7418 4067 7420 4066 7424
TIME...MOT...LOC 0206Z 261DEG 25KT 4082 7431 4069 7425
$$
JTThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 9:47 PM EDT | Special Weather Statement | OKX | Passaic | 43 min |
| Jun 11, 10:24 PM EDT | Special Weather Statement | OKX | Essex, Hudson, Union | 51 min |
| Jun 11, 10:28 PM EDT | Special Weather Statement | OKX | Bergen, Passaic | 47 min |
| Jun 12, 5:42 PM EDT | Special Weather Statement | OKX | Bergen, Passaic | 63 min |
| Jun 12, 6:03 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Passaic | 42 min |
| Jun 12, 6:16 PM EDT | Special Weather Statement | OKX | Bergen | 44 min |
| Jun 12, 6:33 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic | 3 min |
| Jun 12, 6:37 PM EDT | Severe Thunderstorm Warning | OKX | Bergen, Essex, Hudson, Passaic | 38 min |
| Jun 12, 6:52 PM EDT | Areal Flood Advisory | OKX | Bergen, Hudson | 83 min |
Nearby
Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning in 2026
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.