Alert archive / New York / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 75, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Aug 27, 2026, 2:37 PM EDT for Putnam County, Westchester County, New York; Greater Bridgeport Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 38 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 27, 2026, 2:37 PM EDT (18:37 UTC)
- Expired
- Aug 27, 2026, 3:15 PM EDT
- In force
- 38 min
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Greater Bridgeport Planning Region, CT, Naugatuck Valley Planning Region, CT, Putnam County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 72 km from the middle of the area, began a volume at 18:36 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 27, 12:51 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.6 hours before the alert went out and 72 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
- 346 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 890 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 87 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 27, 1:56 PM EDT, 41 minutes earlier.
Area forecast discussion, Aug 27, 1:56 PM EDT, 41 minutes before
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</html>Hazardous weather outlook, Aug 27, 3:09 AM EDT, 11 hours 28 minutes before
Hazardous Weather Outlook National Weather Service New York NY 309 AM EDT Thu Aug 27 2026 CTZ005-009-NJZ002-004-006-103>108-NYZ067>074-176-177-280715- 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)-Northern Queens-Northern Nassau- 309 AM EDT Thu Aug 27 2026 ...FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... This Hazardous Weather Outlook is for southern Connecticut, northeast New Jersey and southeast New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. There is potential for isolated instances of flash flooding this afternoon into evening. Strong to severe thunderstorms are also possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && 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-NYZ078-079-280715- Northern New Haven-Northern Middlesex-Northern New London- Southern New Haven-Southern Middlesex-Southern New London- Northwest Suffolk-Northeast Suffolk- 309 AM EDT Thu Aug 27 2026 This Hazardous Weather Outlook is for southern Connecticut and southeast New York. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && 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. NYZ075-178-179-280715- Kings (Brooklyn)-Southern Queens-Southern Nassau- 309 AM EDT Thu Aug 27 2026 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... ...FLOOD WATCH IN EFFECT FROM NOON EDT TODAY THROUGH THIS EVENING... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. Flood Watch. There is potential for isolated instances of flash flooding on Thursday afternoon into evening. Strong to severe thunderstorms are also possible. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && 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. NYZ080-081-280715- Southwest Suffolk-Southeast Suffolk- 309 AM EDT Thu Aug 27 2026 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...Today and tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. High Rip Current Risk. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && 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. ANZ331-332-335-338-340-345-350-353-355-380-383-385-280715- 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- Long Island Sound West of New Haven CT/Port Jefferson NY- New York Harbor-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- Sandy Hook NJ to Fire Island Inlet NY out 20 NM- Waters from Moriches Inlet NY to Montauk Point NY from 20 to 60 nm- Waters from Fire Island Inlet NY to Moriches Inlet NY from 20 to 60 nm- Waters from Sandy Hook NJ to Fire Island Inlet NY from 20 to 60 nm- 309 AM EDT Thu Aug 27 2026 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...Today and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. No hazardous weather is expected at this time that would meet NWS warning criteria. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. && 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
Local storm report, Aug 27, 1:59 PM EDT, 38 minutes before
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</html>Local storm report, Aug 27, 2:35 PM EDT, 2 minutes before
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</html>Local storm report, Aug 27, 2:37 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 10:14 AM EDT | Areal Flood Advisory | OKX | Orange, Rockland | 83 min |
| Aug 27, 10:50 AM EDT | Special Weather Statement | OKX | Putnam, Rockland | 40 min |
| Aug 27, 11:04 AM EDT | Areal Flood Advisory | OKX | Orange, Rockland, Westchester | 67 min |
| Aug 27, 11:09 AM EDT | Severe Thunderstorm Warning | OKX | Putnam, Rockland, Westchester | 51 min |
| Aug 27, 12:27 PM EDT | Areal Flood Advisory | OKX | Richmond | 53 min |
| Aug 27, 12:35 PM EDT | Flash Flood Warning | OKX | Richmond | 2 hr |
| Aug 27, 12:40 PM EDT | Special Marine Warning | OKX | 65 min | |
| Aug 27, 12:44 PM EDT | Severe Thunderstorm Warning | OKX | Richmond | 46 min |
| Aug 27, 1:16 PM EDT | Flash Flood Warning | OKX | Richmond | 108 min |
| Aug 27, 1:18 PM EDT | Special Weather Statement | OKX | Bronx, New York | 42 min |
| Aug 27, 1:54 PM EDT | Areal Flood Advisory | OKX | Bronx, New York, Rockland, Westchester | 3 hr |
| Aug 27, 2:03 PM EDT | Special Marine Warning | OKX | 57 min | |
| Aug 27, 2:13 PM EDT | Areal Flood Advisory | OKX | Orange, Rockland | 3 hr |
| Aug 27, 2:18 PM EDT | Special Weather Statement | OKX | Westchester | 42 min |
| Aug 27, 2:55 PM EDT | Special Marine Warning | OKX | 60 min | |
| Aug 27, 2:59 PM EDT | Special Weather Statement | OKX | Putnam | 46 min |
| Aug 27, 3:15 PM EDT | Special Weather Statement | OKX | Bronx, New York | 45 min |
| Aug 27, 3:33 PM EDT | Flash Flood Warning | OKX | Richmond | 3 hr |
| Aug 27, 3:58 PM EDT | Special Weather Statement | OKX | Bronx, New York | 47 min |
| Aug 27, 4:03 PM EDT | Areal Flood Advisory | OKX | Kings, New York, Queens, Richmond | 27 min |
| Aug 27, 4:15 PM EDT | Flash Flood Warning | OKX | Bronx, Kings, New York, Queens, Richmond | 87 min |
| Aug 27, 4:29 PM EDT | Special Marine Warning | OKX | 46 min | |
| Aug 27, 4:44 PM EDT | Areal Flood Advisory | OKX | Kings, Nassau, Queens | 17 min |
| Aug 27, 4:52 PM EDT | Flash Flood Warning | OKX | Kings, Nassau, Queens | 47 min |
| Aug 27, 8:47 AM EDT | Special Weather Statement | OKX | Bergen, Essex, Hudson, Union | 43 min |
| Aug 27, 9:39 AM EDT | Special Weather Statement | OKX | Passaic | 51 min |
| Aug 27, 1:27 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson | 5 hr |
| Aug 27, 1:30 PM EDT | Special Weather Statement | OKX | Bergen, Essex, Hudson, Union | 45 min |
| Aug 27, 3:28 PM EDT | Areal Flood Advisory | OKX | Essex, Union | 9 min |
Nearby
Severe Thunderstorm Warnings in New York, 2026Severe Thunderstorm Warnings in Connecticut, 2026Every severe thunderstorm warning in 2026
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.