Alert archive / New Jersey / Flash Flood Warnings in 2025
Flash Flood Warning 15, NWS New York, NY
NWS New York, NY issued this flash flood warning at Jul 31, 2025, 1:52 PM EDT for Essex County, Union County, New Jersey. It was in force for 2 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
- Jul 31, 2025, 1:52 PM EDT (17:52 UTC)
- Expired
- Jul 31, 2025, 4:20 PM EDT
- In force
- 2 hr
- Issued by
- NWS New York, NY
- Area
- Storm-based polygon
- Flood severity
- None
Counties Essex County, NJ, Union County, NJ
The radar
The Philadelphia radar (KDIX), 87 km from the middle of the area, began a volume at 17:55 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, 5.9 hours before the alert went out and 120 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
- 1000 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 970 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.4
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 Jul 31, 10:42 AM EDT, 3 hours 10 minutes earlier.
Area forecast discussion, Jul 31, 10:42 AM EDT, 3 hours 10 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, Jul 31, 1:34 PM EDT, 18 minutes before
Hazardous Weather Outlook National Weather Service New York NY 134 PM EDT Thu Jul 31 2025 NJZ004-103-104-011745- Eastern Passaic-Western Bergen-Eastern Bergen- 134 PM EDT Thu Jul 31 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... This Hazardous Weather Outlook is for northeast New Jersey. .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...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .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. NJZ006-105>108-011745- Hudson-Western Essex-Eastern Essex-Western Union-Eastern Union- 134 PM EDT Thu Jul 31 2025 ...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... This Hazardous Weather Outlook is for northeast New Jersey. .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...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .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. CTZ005>012-NJZ002-NYZ067>071-078>081-177-179-011745- Northern Fairfield-Northern New Haven-Northern Middlesex- Northern New London-Southern Fairfield-Southern New Haven- Southern Middlesex-Southern New London-Western Passaic-Orange-Putnam- Rockland-Northern Westchester-Southern Westchester-Northwest Suffolk- Northeast Suffolk-Southwest Suffolk-Southeast Suffolk- Northern Nassau-Southern Nassau- 134 PM EDT Thu Jul 31 2025 ...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... This Hazardous Weather Outlook is for southern Connecticut, 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. Flood Watch. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .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. NYZ072>075-176-178-011745- New York (Manhattan)-Bronx-Richmond (Staten Island)-Kings (Brooklyn)- Northern Queens-Southern Queens- 134 PM EDT Thu Jul 31 2025 ...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY MORNING... 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. Severe Thunderstorm Watch. Flood Watch. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Flood Watch. .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. ANZ331-332-335-340-345-350-353-011745- 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- 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- 134 PM EDT Thu Jul 31 2025 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This afternoon 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. ANZ338-355-011745- New York Harbor-Sandy Hook NJ to Fire Island Inlet NY out 20 nm- 134 PM EDT Thu Jul 31 2025 ...SEVERE THUNDERSTORM WATCH 562 IN EFFECT UNTIL 8 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Atlantic coastal waters. .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. .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
Special weather statement, Jul 31, 8:02 AM EDT, 5 hours 50 minutes before
Special Weather Statement
National Weather Service New York NY
802 AM EDT Thu Jul 31 2025
NYZ067-311245-
Orange NY-
802 AM EDT Thu Jul 31 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHERN ORANGE COUNTY THROUGH
845 AM EDT...
At 801 AM EDT, Doppler radar was tracking a strong thunderstorm near
Middletown, moving east at 30 mph.
HAZARD...Winds in excess of 30 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Newburgh, Middletown, Walden, Goshen, Howells, New Windsor,
Gardnertown, Montgomery, Cuddebackville, Otisville, Scotchtown,
Deerpark, Orange Lake, Mechanicstown, and Washingtonville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
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.
&&
LAT...LON 4150 7448 4157 7442 4163 7425 4160 7425
4158 7413 4161 7413 4160 7409 4161 7407
4158 7405 4158 7402 4154 7399 4153 7400
4145 7400 4132 7449 4149 7472
TIME...MOT...LOC 1201Z 281DEG 28KT 4140 7448
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH
DBRThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 1:52 AM EDT | Small Craft Advisory | OKX | 48 hr | |
| Jul 31, 6:18 AM EDT | Special Weather Statement | OKX | Orange | 42 min |
| Jul 31, 7:39 AM EDT | Special Weather Statement | OKX | Orange | 51 min |
| Jul 31, 8:02 AM EDT | Special Weather Statement | OKX | Orange | 43 min |
| Jul 31, 8:05 AM EDT | Areal Flood Advisory | OKX | Orange | 35 min |
| Jul 31, 8:40 AM EDT | Flash Flood Warning | OKX | Orange | 2 hr |
| Jul 31, 9:09 AM EDT | Flash Flood Warning | OKX | Orange | 78 min |
| Jul 31, 1:08 PM EDT | Areal Flood Advisory | OKX | Orange | 3 hr |
| Jul 31, 1:57 PM EDT | Areal Flood Advisory | OKX | Suffolk | 93 min |
| Jul 31, 2:05 PM EDT | Special Weather Statement | OKX | Suffolk | 40 min |
| Jul 31, 2:19 PM EDT | Areal Flood Advisory | OKX | Bronx, Nassau, New York, Queens | 86 min |
| Jul 31, 2:27 PM EDT | Flash Flood Warning | OKX | Bronx, Nassau, New York, Queens | 3 hr |
| Jul 31, 2:34 PM EDT | Severe Thunderstorm Warning | OKX | Kings, Queens, Richmond | 41 min |
| Jul 31, 2:35 PM EDT | Special Marine Warning | OKX | 55 min | |
| Jul 31, 2:39 PM EDT | Areal Flood Advisory | OKX | Suffolk | 116 min |
| Jul 31, 3:00 PM EDT | Special Weather Statement | OKX | Bronx | 45 min |
| Jul 31, 3:07 PM EDT | Flash Flood Warning | OKX | Kings, New York, Richmond | 3 hr |
| Jul 31, 3:46 PM EDT | Flash Flood Warning | OKX | Nassau | 2 hr |
| Jul 31, 4:01 PM EDT | Areal Flood Advisory | OKX | Suffolk | 35 min |
| Jul 31, 4:33 PM EDT | Flash Flood Warning | OKX | Suffolk | 5 hr |
| Jul 31, 5:53 PM EDT | Rip Current Statement | OKX | Kings, Nassau, Queens, Suffolk | 27 hr |
| Jul 31, 1:41 PM EDT | Areal Flood Advisory | OKX | Essex, Hudson, Union | 2 hr |
| Jul 31, 1:41 PM EDT | Severe Thunderstorm Warning | OKX | Essex, Union | 49 min |
| Jul 31, 2:12 PM EDT | Special Weather Statement | OKX | Essex | 48 min |
| Jul 31, 2:17 PM EDT | Areal Flood Advisory | OKX | Bergen, Essex, Passaic | 108 min |
| Jul 31, 2:29 PM EDT | Flash Flood Warning | OKX | Bergen, Essex, Hudson, Passaic | 108 min |
Nearby
Flash Flood Warnings in New Jersey, 2025Every flash flood warning in 2025
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.