Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 79, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Oct 16, 2021, 4:53 PM EDT for 4 counties in New York; Bergen County, Essex County, Passaic County, New Jersey. It was in force for 67 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
- Oct 16, 2021, 4:53 PM EDT (20:53 UTC)
- Expired
- Oct 16, 2021, 6:00 PM EDT
- In force
- 67 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bergen County, NJ, Essex County, NJ, Passaic County, NJ, Orange County, NY, Putnam County, NY, Rockland County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 117 km from the middle of the area, began a volume at 20:53 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 12:00Z, 8.9 hours before the alert went out and 117 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1068 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
877
WUUS51 KOKX 162053
SVROKX
NJC003-013-031-NYC071-079-087-119-162200-
/O.NEW.KOKX.SV.W.0079.211016T2053Z-211016T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
453 PM EDT Sat Oct 16 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Passaic County in northeastern New Jersey...
Northern Bergen County in northeastern New Jersey...
Northwestern Essex County in northeastern New Jersey...
Northern Westchester County in southeastern New York...
Eastern Orange County in southeastern New York...
Putnam County in southeastern New York...
Rockland County in southeastern New York...
* Until 600 PM EDT.
* At 453 PM EDT, severe thunderstorms were located along a line
extending from Chester to East Hanover, moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Paterson, Wayne, New City, Newburgh, Paramus, West Milford,
Ossining, Ridgewood, Peekskill, Monsey, Nanuet, Ramsey, Ringwood,
Haverstraw and Tarrytown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4161 7407 4158 7405 4159 7395 4153 7400
4144 7398 4149 7393 4152 7363 4116 7367
4076 7438 4086 7432 4090 7433 4089 7428
4091 7427 4100 7430 4103 7442 4118 7439
4120 7437 4121 7439 4138 7436 4161 7411
TIME...MOT...LOC 2053Z 222DEG 41KT 4137 7430 4082 7439
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
121 follow-up statement
170
WWUS51 KOKX 162122
SVSOKX
Severe Weather Statement
National Weather Service New York NY
522 PM EDT Sat Oct 16 2021
NJC013-031-162131-
/O.CAN.KOKX.SV.W.0079.000000T0000Z-211016T2200Z/
Passaic NJ-Essex NJ-
522 PM EDT Sat Oct 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR PASSAIC AND NORTHWESTERN ESSEX
COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4153 7400 4146 7400 4144 7398 4149 7393
4152 7363 4116 7367 4090 7413 4097 7414
4098 7417 4098 7418 4150 7417 4158 7406
4159 7395
TIME...MOT...LOC 2121Z 234DEG 37KT 4158 7402 4096 7405
$$
NJC003-NYC071-079-087-119-162200-
/O.CON.KOKX.SV.W.0079.000000T0000Z-211016T2200Z/
Bergen NJ-Westchester NY-Orange NY-Putnam NY-Rockland NY-
522 PM EDT Sat Oct 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR NORTHEASTERN BERGEN...NORTHERN WESTCHESTER...EASTERN ORANGE...
PUTNAM AND ROCKLAND COUNTIES...
At 521 PM EDT, severe thunderstorms were located along a line
extending from near Marlboro to Oradell, moving northeast at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
New City, Newburgh, Paramus, Ossining, Ridgewood, Peekskill, Monsey,
Nanuet, Ramsey, Haverstraw, Tarrytown, Mount Kisco, Suffern, Mahopac
and Lake Carmel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4153 7400 4146 7400 4144 7398 4149 7393
4152 7363 4116 7367 4090 7413 4097 7414
4098 7417 4098 7418 4150 7417 4158 7406
4159 7395
TIME...MOT...LOC 2121Z 234DEG 37KT 4158 7402 4096 7405
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
12The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 3:03 PM EDT | Special Weather Statement | OKX | Orange | 42 min |
| Oct 16, 4:07 PM EDT | Special Weather Statement | OKX | Orange | 38 min |
| Oct 16, 4:23 PM EDT | Special Weather Statement | OKX | Richmond, Rockland | 52 min |
| Oct 16, 5:05 PM EDT | Special Marine Warning | OKX | 85 min | |
| Oct 16, 5:06 PM EDT | Special Marine Warning | OKX | 87 min | |
| Oct 16, 5:20 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, Kings, Nassau, New York, Queens, Richmond and 1 more | 40 min |
| Oct 16, 5:31 PM EDT | Special Weather Statement | OKX | Nassau, Queens | 44 min |
| Oct 16, 5:54 PM EDT | Severe Thunderstorm Warning | OKX | Putnam, Westchester | 38 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.