Alert archive / New York / Severe Thunderstorm Warnings in 2023
Severe Thunderstorm Warning 50, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Aug 12, 2023, 7:29 PM EDT for Orange County, New York. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 2023, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 12, 2023, 8:15 PM EDT
- In force
- 46 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), 133 km from the middle of the area, began a volume at 23:28 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 12, 6:07 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 11.5 hours before the alert went out and 135 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
- 1539 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS New York, NY wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 12, 7:21 PM EDT, 8 minutes earlier.
Area forecast discussion, Aug 12, 7:21 PM EDT, 8 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Aug 12, 6:26 PM EDT, 1 hour 3 minutes before
Hazardous Weather Outlook National Weather Service New York NY 626 PM EDT Sat Aug 12 2023 CTZ005-009-NJZ002-004-006-103>108-NYZ067>075-176>179-132230- Northern Fairfield-Southern Fairfield-Western Passaic- Eastern Passaic-Hudson-Western Bergen-Eastern Bergen-Western Essex- Eastern Essex-Western Union-Eastern Union-Orange-Putnam-Rockland- Northern Westchester-Southern Westchester-New York (Manhattan)-Bronx- Richmond (Staten Island)-Kings (Brooklyn)-Northern Queens- Northern Nassau-Southern Queens-Southern Nassau- 626 PM EDT Sat Aug 12 2023 ...SEVERE THUNDERSTORM WATCH 638 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... This Hazardous Weather Outlook is for southern Connecticut, northeast New Jersey and southeast New York. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. In addition, the Weather Prediction Center has placed the area in a marginal to slight risk for excessive rainfall with a low risk of flash flooding. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Hazardous weather is not expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria. CTZ006>008-010>012-NYZ078>081-132230- Northern New Haven-Northern Middlesex-Northern New London- Southern New Haven-Southern Middlesex-Southern New London- Northwest Suffolk-Northeast Suffolk-Southwest Suffolk- Southeast Suffolk- 626 PM EDT Sat Aug 12 2023 This Hazardous Weather Outlook is for southern Connecticut and southeast New York. .DAY ONE...Tonight. A frontal system will affect the area with the potential for strong thunderstorms. The main threat is for strong wind gusts and hail. The Storm Prediction Center has placed most of the Tri-State Area under a Marginal Risk (isolated) for severe weather. In addition, the Weather Prediction Center has placed the area in a marginal to slight risk for excessive rainfall with a low risk of flash flooding. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Hazardous weather is not expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria. ANZ331-332-340-345-350-353-132230- Long Island Sound East of New Haven CT/Port Jefferson NY to the Mouth of the Connecticut River- Long Island Sound East of the Mouth of the Connecticut River- Peconic and Gardiners Bays- South Shore Bays from Jones Inlet through Shinnecock Bay- Moriches Inlet NY to Montauk Point NY out 20 nm- Fire Island Inlet NY to Moriches Inlet NY out 20 nm- 626 PM EDT Sat Aug 12 2023 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Tonight. A frontal system will affect the area with the potential for strong thunderstorms. The main threat is for strong wind gusts and hail. The Storm Prediction Center has placed most of the Tri-State Area under a Marginal Risk (isolated) for severe weather. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Hazardous weather is not expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria. ANZ335-338-355-132230- Long Island Sound West of New Haven CT/Port Jefferson NY- New York Harbor-Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 626 PM EDT Sat Aug 12 2023 ...SEVERE THUNDERSTORM WATCH 638 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Severe Thunderstorm Watch. In addition, the Weather Prediction Center has placed the area in a marginal to slight risk for excessive rainfall with a low risk of flash flooding. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Hazardous weather is not expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation according to Standard Operating Procedures is requested and appreciated. && This Hazardous Weather Outlook provides a summary of potential widespread hazardous weather events that may reach NWS warning criteria. Most long fused NWS watches, warnings, and advisories in effect are highlighted. Please refer to the latest NWS forecasts for weather not meeting NWS warning criteria.
In the hours before
Special weather statement, Aug 12, 2:44 PM EDT, 4 hours 45 minutes before
Special Weather Statement
National Weather Service New York NY
244 PM EDT Sat Aug 12 2023
NYZ074-075-080-178-179-121930-
Southwest Suffolk NY-Southern Queens NY-Kings (Brooklyn) NY-
Richmond (Staten Is.) NY-Southern Nassau NY-
244 PM EDT Sat Aug 12 2023
...STRONG THUNDERSTORMS WILL IMPACT QUEENS...RICHMOND...KINGS AND
SOUTHERN NASSAU COUNTIES THROUGH 330 PM EDT...
At 244 PM EDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from near Oakwood to 16 miles
south of Long Beach. Movement was northeast at 25 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Flatbush, Freeport, Valley Stream, Long Beach, Lindenhurst, Coney
Island, Massapequa, Lynbrook, Woodmere, Rockaway Beach, Babylon,
Jones Beach, Kennedy Airport, The Verrazano Narrows Bridge, and
Canarsie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 4056 7395 4056 7402 4060 7404 4053 7410
4055 7415 4066 7401 4068 7381 4070 7328
4067 7329 4068 7332 4066 7332 4061 7331
4057 7356 4057 7376 4053 7393
TIME...MOT...LOC 1844Z 221DEG 20KT 4053 7409 4035 7364
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
BRSpecial weather statement, Aug 12, 3:36 PM EDT, 3 hours 53 minutes before
Special Weather Statement
National Weather Service New York NY
336 PM EDT Sat Aug 12 2023
NYZ078-177-122000-
Northwest Suffolk NY-Northern Nassau NY-
336 PM EDT Sat Aug 12 2023
...A STRONG THUNDERSTORM WILL IMPACT WESTERN SUFFOLK COUNTY THROUGH
400 PM EDT...
At 335 PM EDT, Doppler radar was tracking a strong thunderstorm over
Huntington, moving east at 25 mph.
HAZARD...Wind gusts up to 50 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Huntington, Northport, Oyster Bay, Bayville, Centerport, Cold Spring
Harbor, Lloyd Harbor, Oyster Bay Cove, Huntington Bay, Eatons Neck,
Asharoken, Centre Island, and Cove Neck.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4092 7359 4093 7352 4096 7349 4094 7342
4097 7339 4094 7334 4095 7329 4093 7326
4083 7349
TIME...MOT...LOC 1935Z 251DEG 16KT 4090 7344
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH
DSSpecial weather statement, Aug 12, 3:44 PM EDT, 3 hours 45 minutes before
Special Weather Statement
National Weather Service New York NY
344 PM EDT Sat Aug 12 2023
CTZ008-012-122015-
Southern New London CT-Northern New London CT-
344 PM EDT Sat Aug 12 2023
...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN NEW LONDON COUNTY
THROUGH 415 PM EDT...
At 343 PM EDT, Doppler radar was tracking a strong thunderstorm over
Waterford, or over New London, moving east at 35 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
New London, Groton, Salem, Mystic, Waterford, East Lyme, Ledyard,
East Haddam, Old Lyme, Preston, Lyme, Gales Ferry, Ledyard Center,
Montville, and North Stonington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4142 7180 4142 7182 4141 7184 4134 7183
4132 7185 4133 7189 4129 7200 4130 7216
4127 7220 4126 7233 4128 7234 4129 7235
4144 7233 4144 7231 4148 7232 4150 7179
TIME...MOT...LOC 1943Z 270DEG 33KT 4133 7214
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DSSpecial weather statement, Aug 12, 4:22 PM EDT, 3 hours 7 minutes before
Special Weather Statement
National Weather Service New York NY
422 PM EDT Sat Aug 12 2023
CTZ005-006-009-010-122100-
Northern Fairfield CT-Southern Fairfield CT-Northern New Haven CT-
Southern New Haven CT-
422 PM EDT Sat Aug 12 2023
...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN FAIRFIELD AND
SOUTHWESTERN NEW HAVEN COUNTIES THROUGH 500 PM EDT...
At 422 PM EDT, Doppler radar was tracking a strong thunderstorm over
Fairfield, or near Bridgeport, moving northeast at 35 mph.
HAZARD...Wind gusts up to 50 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Bridgeport, New Haven, Milford, Shelton, Newtown, Fairfield,
Stratford, Trumbull, Westport, Monroe, Seymour, Orange, Derby,
Woodbridge, and West Haven.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4132 7294 4120 7303 4120 7305 4117 7310
4114 7309 4116 7317 4110 7325 4112 7330
4110 7333 4111 7335 4141 7321
TIME...MOT...LOC 2022Z 206DEG 21KT 4114 7323
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH
DSSpecial weather statement, Aug 12, 5:03 PM EDT, 2 hours 26 minutes before
Special Weather Statement
National Weather Service New York NY
503 PM EDT Sat Aug 12 2023
CTZ005-009-NYZ070-122145-
Northern Fairfield CT-Southern Fairfield CT-Northern Westchester NY-
503 PM EDT Sat Aug 12 2023
...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN FAIRFIELD AND NORTHERN
WESTCHESTER COUNTIES THROUGH 545 PM EDT...
At 502 PM EDT, Doppler radar was tracking a strong thunderstorm over
Mount Kisco, moving northeast at 40 mph.
HAZARD...Wind gusts up to 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible.
Locations impacted include...
Stamford, Norwalk, Ossining, New Canaan, Mount Kisco, Greenwich,
Westport, Ridgefield, Darien, Wilton, Weston, Hawthorne, Bedford,
Yorktown Heights, and Croton-on-Hudson.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4113 7330 4106 7358 4106 7369 4110 7373
4105 7381 4114 7389 4115 7389 4116 7391
4119 7392 4128 7379 4136 7363 4136 7357
TIME...MOT...LOC 2102Z 244DEG 34KT 4116 7375
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
BRThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 2:44 PM EDT | Special Weather Statement | OKX | Kings, Queens | 46 min |
| Aug 12, 2:59 PM EDT | Special Marine Warning | OKX | 19 min | |
| Aug 12, 3:21 PM EDT | Special Marine Warning | OKX | 27 min | |
| Aug 12, 3:34 PM EDT | Special Marine Warning | OKX | 37 min | |
| Aug 12, 3:36 PM EDT | Special Weather Statement | OKX | Nassau | 24 min |
| Aug 12, 5:03 PM EDT | Special Weather Statement | OKX | Westchester | 42 min |
| Aug 12, 7:29 PM EDT | Severe Thunderstorm Warning | OKX | Orange | 44 min |
| Aug 12, 3:44 PM EDT | Special Weather Statement | OKX | 31 min | |
| Aug 12, 4:22 PM EDT | Special Weather Statement | OKX | 38 min |
Nearby
Severe Thunderstorm Warnings in New York, 2023Every severe thunderstorm warning in 2023
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.