Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 80, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Oct 16, 2021, 5:20 PM EDT for 7 counties in New York; Bergen County, Hudson County, New Jersey. It was in force for 40 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, 5:20 PM EDT (21:20 UTC)
- Expired
- Oct 16, 2021, 6:00 PM EDT
- In force
- 40 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Bergen County, NJ, Hudson County, NJ, Bronx County, NY, Kings County, NY, Nassau County, NY, New York County, NY, Queens County, NY, Richmond County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 86 km from the middle of the area, began a volume at 21:22 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, 9.3 hours before the alert went out and 86 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.
719
WUUS51 KOKX 162120
SVROKX
NJC003-017-NYC005-047-059-061-081-085-119-162200-
/O.NEW.KOKX.SV.W.0080.211016T2120Z-211016T2200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
520 PM EDT Sat Oct 16 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Hudson County in northeastern New Jersey...
Southeastern Bergen County in northeastern New Jersey...
Southern Westchester County in southeastern New York...
Queens County in southeastern New York...
Richmond County in southeastern New York...
Bronx County in southeastern New York...
Kings County in southeastern New York...
New York (Manhattan) County in southeastern New York...
Northwestern Nassau County in southeastern New York...
* Until 600 PM EDT.
* At 520 PM EDT, severe thunderstorms were located along a line
extending from Paramus to Todt Hill, moving northeast at 35 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
* Locations impacted include...
Jersey City, Jamaica, Yonkers, Flatbush, New Rochelle, Flushing,
Bayonne, White Plains, Mott Haven, Hoboken, East Tremont,
Hackensack, Glen Cove, Bergenfield and Lyndhurst.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4054 7414 4066 7415 4071 7411 4077 7415
4086 7411 4091 7413 4101 7393 4100 7389
4104 7389 4116 7367 4113 7367 4110 7373
4097 7365 4090 7374 4086 7375 4088 7372
4086 7366 4090 7364 4077 7363 4060 7404
TIME...MOT...LOC 2120Z 226DEG 32KT 4093 7408 4060 7410
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
121 follow-up statement
542
WWUS51 KOKX 162144
SVSOKX
Severe Weather Statement
National Weather Service New York NY
544 PM EDT Sat Oct 16 2021
NJC003-017-NYC047-059-061-081-085-162154-
/O.CAN.KOKX.SV.W.0080.000000T0000Z-211016T2200Z/
Hudson NJ-Bergen NJ-Queens NY-Richmond NY-Kings NY-
New York (Manhattan) NY-Nassau NY-
544 PM EDT Sat Oct 16 2021
...THE SEVERE THUNDERSTORM WARNING FOR HUDSON...SOUTHEASTERN
BERGEN...QUEENS...RICHMOND...KINGS...NEW YORK (MANHATTAN) AND
NORTHWESTERN NASSAU COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
LAT...LON 4085 7392 4088 7391 4088 7392 4090 7393
4098 7390 4104 7389 4116 7367 4113 7367
4110 7373 4102 7368
TIME...MOT...LOC 2144Z 226DEG 46KT 4102 7389 4089 7388
$$
NYC005-119-162200-
/O.CON.KOKX.SV.W.0080.000000T0000Z-211016T2200Z/
Westchester NY-Bronx NY-
544 PM EDT Sat Oct 16 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT
FOR SOUTHERN WESTCHESTER AND BRONX COUNTIES...
At 544 PM EDT, severe thunderstorms were located along a line
extending from Dobbs Ferry to Riverdale, moving northeast at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to trees and power lines.
Locations impacted include...
Yonkers, White Plains, Dobbs Ferry, Riverdale, Harrison, Scarsdale,
Bronxville, Mount Vernon, Eastchester, Rye Brook, Hastings-on-Hudson,
Greenville, Woodlawn, Tuckahoe and Irvington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4085 7392 4088 7391 4088 7392 4090 7393
4098 7390 4104 7389 4116 7367 4113 7367
4110 7373 4102 7368
TIME...MOT...LOC 2144Z 226DEG 46KT 4102 7389 4089 7388
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, 4:53 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam, Rockland, Westchester | 67 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, 5:31 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.