Alert archive / New Jersey / Tornado Warnings in 2021
Tornado Warning 6, NWS New York, NY
NWS New York, NY issued this tornado warning at Aug 19, 2021, 2:53 AM EDT for Passaic County, New Jersey. It was in force for 23 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
- Aug 19, 2021, 2:53 AM EDT (06:53 UTC)
- Expired
- Aug 19, 2021, 3:16 AM EDT
- In force
- 23 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
County Passaic County, NJ
The radar
The Philadelphia radar (KDIX), 123 km from the middle of the area, began a volume at 06:52 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 nearest sounding before it
Brookhaven, NY (KOKX), launched 00:00Z, 6.9 hours before the alert went out and 128 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
- 491 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 580 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
752
WFUS51 KOKX 190653
TOROKX
NJC031-190730-
/O.NEW.KOKX.TO.W.0006.210819T0653Z-210819T0730Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service New York NY
253 AM EDT Thu Aug 19 2021
The National Weather Service in Upton NY has issued a
* Tornado Warning for...
Western Passaic County in northeastern New Jersey...
* Until 330 AM EDT.
* At 253 AM EDT, a severe thunderstorm capable of producing a tornado
was located over Lake Telemark, or 10 miles north of Morristown,
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...
Bloomingdale around 325 AM EDT.
West Milford and Ringwood around 330 AM 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.
Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!
&&
LAT...LON 4118 7433 4113 7422 4104 7426 4100 7433
4101 7434 4100 7435 4101 7435 4101 7439
4103 7442 4102 7443 4104 7443 4105 7444
4105 7447
TIME...MOT...LOC 0653Z 226DEG 16KT 4095 7450
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
MET1 follow-up statement
049
WWUS51 KOKX 190716
SVSOKX
Severe Weather Statement
National Weather Service New York NY
316 AM EDT Thu Aug 19 2021
NJC031-190725-
/O.CAN.KOKX.TO.W.0006.000000T0000Z-210819T0730Z/
Passaic NJ-
316 AM EDT Thu Aug 19 2021
...THE TORNADO WARNING FOR WESTERN PASSAIC COUNTY IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled. However gusty winds are
still possible with this thunderstorm.
LAT...LON 4118 7433 4113 7422 4104 7426 4100 7433
4101 7434 4100 7435 4101 7435 4101 7439
4103 7442 4102 7443 4104 7443 4105 7444
4105 7447
TIME...MOT...LOC 0715Z 226DEG 16KT 4102 7440
$$
METThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 2:43 AM EDT | Special Weather Statement | OKX | Passaic | 32 min |
| Aug 19, 3:30 AM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Passaic, Union | 2 hr |
| Aug 19, 3:48 AM EDT | Tornado Warning | OKX | Bergen | 27 min |
| Aug 19, 4:17 AM EDT | Tornado Warning | OKX | Bergen | 28 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.