Alert archive / New York / Flash Flood Warnings in 2024
Flash Flood Warning 14, NWS New York, NY
NWS New York, NY issued this flash flood warning at Aug 6, 2024, 4:58 PM EDT for 4 counties in New York; Bergen County, New Jersey. It was in force for 5 hr. 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 6, 2024, 4:58 PM EDT (20:58 UTC)
- Expired
- Aug 6, 2024, 9:45 PM EDT
- In force
- 5 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bergen County, NJ, Bronx County, NY, Nassau County, NY, New York County, NY, Westchester County, NY
The radar
The Brookhaven radar (KOKX), 84 km from the middle of the area, began a volume at 20:58 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, 9.0 hours before the alert went out and 84 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
- 1440 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 797 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 99 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.2
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Aug 6, 4:50 PM EDT, 8 minutes earlier.
Area forecast discussion, Aug 6, 4:50 PM EDT, 8 minutes before
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</html>Hazardous weather outlook, Aug 6, 3:41 PM EDT, 1 hour 17 minutes before
Hazardous Weather Outlook National Weather Service New York NY 341 PM EDT Tue Aug 6 2024 NJZ002-004-006-103>108-NYZ067-069-071000- Western Passaic-Eastern Passaic-Hudson-Western Bergen-Eastern Bergen- Western Essex-Eastern Essex-Western Union-Eastern Union-Orange- Rockland- 341 PM EDT Tue Aug 6 2024 ...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... ...SEVERE THUNDERSTORM WATCH 606 IN EFFECT UNTIL 11 PM EDT THIS EVENING... This Hazardous Weather Outlook is for northeast New Jersey and southeast New York. .DAY ONE...This afternoon and 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. Flood Watch. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. 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 the potential for additional scattered areas of flash flooding Thursday and Friday, along with urban and poor drainage flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation will likely be needed. && 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. CTZ005>012-NYZ068-070>074-078-079-176-177-071000- Northern Fairfield-Northern New Haven-Northern Middlesex- Northern New London-Southern Fairfield-Southern New Haven- Southern Middlesex-Southern New London-Putnam-Northern Westchester- Southern Westchester-New York (Manhattan)-Bronx- Richmond (Staten Island)-Northwest Suffolk-Northeast Suffolk- Northern Queens-Northern Nassau- 341 PM EDT Tue Aug 6 2024 ...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... This Hazardous Weather Outlook is for southern Connecticut and southeast New York. .DAY ONE...This afternoon 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. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. 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 the potential for additional scattered areas of flash flooding Thursday and Friday, along with urban and poor drainage flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. && 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. NYZ075-080-081-178-179-071000- Kings (Brooklyn)-Southwest Suffolk-Southeast Suffolk-Southern Queens- Southern Nassau- 341 PM EDT Tue Aug 6 2024 ...FLOOD WATCH REMAINS IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... ...HIGH RIP CURRENT RISK IN EFFECT UNTIL 9 PM EDT THIS EVENING... This Hazardous Weather Outlook is for southeast New York. .DAY ONE...This afternoon 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. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. 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 the potential for additional scattered areas of flash flooding Thursday and Friday, along with urban and poor drainage flooding. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. && 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. ANZ331-332-335-338-340-345-350-353-355-071000- 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- 341 PM EDT Tue Aug 6 2024 This Hazardous Weather Outlook is for the Atlantic coastal waters, New York Harbor, Long Island Sound, and the Long Island bays. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. There is a low probability for widespread hazardous weather 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
Special weather statement, Aug 6, 4:10 PM EDT, 48 minutes before
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</html>Local storm report, Aug 6, 4:44 PM EDT, 14 minutes before
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</html>Special weather statement, Aug 6, 4:47 PM EDT, 11 minutes before
Special Weather Statement
National Weather Service New York NY
447 PM EDT Tue Aug 6 2024
NJZ104-NYZ071>073-176-177-062130-
Eastern Bergen NJ-Northern Queens NY-Bronx NY-
Southern Westchester NY-New York (Manhattan) NY-Northern Nassau NY-
447 PM EDT Tue Aug 6 2024
...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BERGEN...SOUTHERN
WESTCHESTER...BRONX...NEW YORK (MANHATTAN) AND NORTHWESTERN NASSAU
COUNTIES THROUGH 530 PM EDT...
At 447 PM EDT, Doppler radar was tracking a strong thunderstorm over
Riverdale, or near East Tremont, moving east at 5 mph.
HAZARD...Wind gusts up to 50 mph and nickel 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...
Yonkers, New Rochelle, White Plains, Mott Haven, East Tremont, Glen
Cove, Bergenfield, Rye, Great Neck, Throgs Neck Bridge, RFK Bridge,
Laguardia Airport, Harlem, Astoria, and Riverdale.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
A Severe Thunderstorm Watch remains in effect until 1100 PM EDT for
northeastern New Jersey...and southeastern New York.
&&
LAT...LON 4077 7398 4079 7399 4080 7398 4080 7399
4095 7405 4106 7369 4096 7366 4094 7367
4088 7374 4086 7366 4091 7364 4080 7361
TIME...MOT...LOC 2047Z 261DEG 6KT 4087 7394
MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH
JPLocal storm report, Aug 6, 4:53 PM EDT, 5 minutes before
Preliminary Local Storm Report
National Weather Service New York NY
453 PM EDT Tue Aug 6 2024
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0449 PM Marine Tstm Wind 1 S Mamaroneck 40.92N 73.73W
08/06/2024 M57 MPH ANZ335 NY Mesonet
Mesonet station XLAR Larchmont Harbor.
&&The office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 12:18 PM EDT | Flash Flood Warning | OKX | Suffolk | 72 min |
| Aug 6, 12:41 PM EDT | Areal Flood Advisory | OKX | Suffolk | 44 min |
| Aug 6, 2:10 PM EDT | Areal Flood Advisory | OKX | Suffolk | 33 min |
| Aug 6, 2:24 PM EDT | Areal Flood Advisory | OKX | Kings, Nassau, New York, Queens | 61 min |
| Aug 6, 2:43 PM EDT | Flash Flood Warning | OKX | Suffolk | 75 min |
| Aug 6, 3:27 PM EDT | Areal Flood Advisory | OKX | Nassau, Suffolk | 93 min |
| Aug 6, 3:32 PM EDT | Severe Thunderstorm Warning | OKX | Nassau, Suffolk | 43 min |
| Aug 6, 3:34 PM EDT | Special Marine Warning | OKX | 56 min | |
| Aug 6, 4:23 PM EDT | Special Weather Statement | OKX | Nassau | 52 min |
| Aug 6, 4:29 PM EDT | Special Marine Warning | OKX | 46 min | |
| Aug 6, 4:33 PM EDT | Special Marine Warning | OKX | 57 min | |
| Aug 6, 4:40 PM EDT | Areal Flood Advisory | OKX | Bronx, Nassau, New York, Westchester | 18 min |
| Aug 6, 4:47 PM EDT | Special Weather Statement | OKX | Bronx, New York | 43 min |
| Aug 6, 4:53 PM EDT | Severe Thunderstorm Warning | OKX | Bronx, New York, Westchester | 67 min |
| Aug 6, 5:45 PM EDT | Areal Flood Advisory | OKX | Rockland, Westchester | 4 hr |
| Aug 6, 5:56 PM EDT | Areal Flood Advisory | OKX | Nassau, Queens | 3 hr |
| Aug 6, 6:16 PM EDT | Areal Flood Advisory | OKX | Orange, Rockland | 3 hr |
| Aug 6, 6:40 PM EDT | Flash Flood Warning | OKX | Nassau, Suffolk | 3 hr |
| Aug 6, 7:03 PM EDT | Areal Flood Advisory | OKX | Putnam, Rockland, Westchester | 3 hr |
| Aug 6, 7:30 PM EDT | Areal Flood Advisory | OKX | Richmond | 2 hr |
| Aug 6, 5:17 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Union | 43 min |
| Aug 6, 5:25 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Hudson, Passaic, Union | 2 hr |
| Aug 6, 5:43 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic, Union | 4 hr |
| Aug 6, 6:03 PM EDT | Special Weather Statement | OKX | Bergen | 42 min |
| Aug 6, 6:20 PM EDT | Special Weather Statement | OKX | Bergen | 40 min |
| Aug 6, 6:23 PM EDT | Special Weather Statement | OKX | Passaic | 52 min |
| Aug 6, 2:14 PM EDT | Areal Flood Advisory | OKX | Greater Bridgeport Planning Region, Naugatuck Valley Planning Region | 109 min |
| Aug 6, 4:10 PM EDT | Special Weather Statement | OKX | 50 min | |
| Aug 6, 5:20 PM EDT | Special Weather Statement | OKX | 40 min | |
| Aug 6, 7:38 PM EDT | Special Weather Statement | OKX | 52 min |
Nearby
Flash Flood Warnings in New York, 2024Flash Flood Warnings in New Jersey, 2024Every flash flood warning in 2024
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.