Alert archive / New Jersey / Tornado Warnings in 2021
Tornado Warning 4, NWS New York, NY
NWS New York, NY issued this tornado warning at Jul 29, 2021, 5:36 PM EDT for Essex County, New Jersey. It was in force for 24 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
- Jul 29, 2021, 5:36 PM EDT (21:36 UTC)
- Expired
- Jul 29, 2021, 6:00 PM EDT
- In force
- 24 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Essex County, NJ
The radar
The Philadelphia radar (KDIX), 100 km from the middle of the area, began a volume at 21:36 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 |
|---|---|---|---|
| Jul 29, 5:54 PM EDT | TSTM WND DMG | 1 Ssw Verona, NJ | LARGE TREE DOWN ON HOUSE ON SYLVAN RD. |
| Jul 29, 5:54 PM EDT | TSTM WND DMG | 1 Ssw Verona, NJ | TREE DOWN ON HOUSE ON PARK AVE. |
| Jul 29, 5:54 PM EDT | TSTM WND DMG | Verona, NJ | TREE DOWN ON POWER LINES AND ROAD. |
| Jul 29, 5:54 PM EDT | TORNADO | 1 Ssw Verona, NJ | BRIEF EF0 TORNADO CONFIRMED BY NWS STORM SURVEY. TORNADO LIKELY TOUCHED DOWN INSIDE THE MONTCLAIR GOLF CLUB AND TRAVELED NORTHEAST. THREE FULL TREES AND 10-20 LARGE LIMBS WERE FELLED. ONE TREE KNOCKED HOUSE OFF FOUNDATION. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 9.6 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
- 54 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
211
WFUS51 KOKX 292136
TOROKX
NJC013-292200-
/O.NEW.KOKX.TO.W.0004.210729T2136Z-210729T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New York NY
536 PM EDT Thu Jul 29 2021
The National Weather Service in Upton NY has issued a
* Tornado Warning for...
Central Essex County in northeastern New Jersey...
* Until 600 PM EDT.
* At 536 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Caldwell, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
Caldwell around 545 PM EDT.
Bloomfield around 600 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Upton NY.
&&
LAT...LON 4080 7437 4082 7433 4085 7433 4090 7427
4088 7426 4088 7423 4086 7420 4085 7419
4082 7413 4076 7430
TIME...MOT...LOC 2136Z 235DEG 9KT 4082 7430
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
DS1 follow-up statement
865
WWUS51 KOKX 292148
SVSOKX
Severe Weather Statement
National Weather Service New York NY
548 PM EDT Thu Jul 29 2021
NJC013-292200-
/O.CON.KOKX.TO.W.0004.000000T0000Z-210729T2200Z/
Essex NJ-
548 PM EDT Thu Jul 29 2021
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL
ESSEX COUNTY...
At 547 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Caldwell, moving northeast at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Bloomfield around 600 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.
&&
LAT...LON 4082 7433 4087 7425 4088 7423 4086 7420
4085 7419 4082 7413 4078 7425
TIME...MOT...LOC 2147Z 235DEG 9KT 4084 7427
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
DSThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:59 PM EDT | Special Weather Statement | OKX | Essex | 46 min |
| Jul 29, 5:44 PM EDT | Areal Flood Advisory | OKX | Essex | 63 min |
| Jul 29, 5:59 PM EDT | Tornado Warning | OKX | Essex | 9 min |
| Jul 29, 6:47 PM EDT | Flash Flood Warning | OKX | Essex | 3 hr |
| Jul 29, 7:15 PM EDT | Areal Flood Advisory | OKX | Bergen, Hudson, Passaic | 2 hr |
Nearby
Tornado Warnings in New Jersey, 2021Every tornado warning in 2021Tornadoes 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.