Alert archive / New York / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 61, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Aug 11, 2021, 4:13 PM EDT for Orange County, New York. It was in force for 47 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 11, 2021, 4:13 PM EDT (20:13 UTC)
- Expired
- Aug 11, 2021, 5:00 PM EDT
- In force
- 47 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Orange County, NY
The radar
The Albany radar (KENX), 113 km from the middle of the area, began a volume at 20:15 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
Albany, NY (KALY), launched 12:00Z, 8.2 hours before the alert went out and 126 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
- 112 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 261 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
895
WUUS51 KOKX 112013
SVROKX
NYC071-112100-
/O.NEW.KOKX.SV.W.0061.210811T2013Z-210811T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service New York NY
413 PM EDT Wed Aug 11 2021
The National Weather Service in Upton NY has issued a
* Severe Thunderstorm Warning for...
Northeastern Orange County in southeastern New York...
* Until 500 PM EDT.
* At 412 PM EDT, a severe thunderstorm was located over Gardnertown,
or near Walden, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
* This severe thunderstorm will be near...
Gardnertown around 420 PM EDT.
Newburgh around 425 PM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
4159 7395 4157 7396 4155 7399 4153 7400
4148 7400 4146 7411 4159 7416 4158 7413
4161 7413
TIME...MOT...LOC 2012Z 262DEG 14KT 4156 7411
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JE2 follow-up statements
523
WWUS51 KOKX 112037
SVSOKX
Severe Weather Statement
National Weather Service New York NY
437 PM EDT Wed Aug 11 2021
NYC071-112100-
/O.CON.KOKX.SV.W.0061.000000T0000Z-210811T2100Z/
Orange NY-
437 PM EDT Wed Aug 11 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHEASTERN ORANGE COUNTY...
At 434 PM EDT, a severe thunderstorm was located over Marlboro, or
near Beacon, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines.
This severe thunderstorm will remain over mainly rural areas of
northeastern Orange County. A trained weather spotter has reported
frequent lightning and pea sized hail with this storm.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
4159 7395 4157 7396 4155 7399 4153 7400
4148 7400 4146 7411 4159 7416 4158 7413
4161 7413
TIME...MOT...LOC 2034Z 262DEG 14KT 4157 7399
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
JE505
WWUS51 KOKX 112057
SVSOKX
Severe Weather Statement
National Weather Service New York NY
457 PM EDT Wed Aug 11 2021
NYC071-112107-
/O.EXP.KOKX.SV.W.0061.000000T0000Z-210811T2100Z/
Orange NY-
457 PM EDT Wed Aug 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ORANGE COUNTY
WILL EXPIRE AT 500 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
LAT...LON 4161 7410 4160 7409 4161 7407 4158 7405
4159 7395 4157 7396 4155 7399 4153 7400
4148 7400 4146 7411 4159 7416 4158 7413
4161 7413
TIME...MOT...LOC 2057Z 262DEG 14KT 4158 7389
$$
JEThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 3:55 PM EDT | Special Weather Statement | OKX | Orange | 50 min |
| Aug 11, 4:15 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 45 min |
| Aug 11, 4:20 PM EDT | Special Weather Statement | OKX | Orange | 40 min |
| Aug 11, 4:45 PM EDT | Excessive Heat Watch | OKX | Bronx, Kings, Nassau, New York, Orange, Putnam and 5 more | 23 hr |
| Aug 11, 5:10 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 50 min |
| Aug 11, 5:51 PM EDT | Severe Thunderstorm Warning | OKX | Orange, Putnam | 39 min |
| Aug 11, 6:01 PM EDT | Special Weather Statement | OKX | Orange | 29 min |
| Aug 11, 6:30 PM EDT | Special Weather Statement | OKX | Putnam | 30 min |
| Aug 11, 7:58 PM EDT | Special Weather Statement | OKX | Rockland, Westchester | 32 min |
Nearby
Severe Thunderstorm Warnings in New York, 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.