A slow moving frontal boundary moved over the local area triggering heavy rainfall and thunderstorms across NJ and NYC causing flash flooding across the area resulting in vehicles being stranded and multiple road closures.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS OKX wrote it up.
A slow moving frontal boundary moved over the local area triggering heavy rainfall and thunderstorms across NJ and NYC causing flash flooding across the area resulting in vehicles being stranded and multiple road closures.
The local office's own words before the first event, 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 the first event at Jul 31, 7:23 AM EST, 47 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service New York NY 216 AM EDT Thu Jul 31 2025 NJZ004-006-103>108-010630- Eastern Passaic-Hudson-Western Bergen-Eastern Bergen-Western Essex- Eastern Essex-Western Union-Eastern Union- 216 AM EDT Thu Jul 31 2025 ...FLOOD WATCH NOW IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY MORNING... This Hazardous Weather Outlook is for northeast New Jersey. .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. .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>075-078>081-176>179-010630- 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- New York (Manhattan)-Bronx-Richmond (Staten Island)-Kings (Brooklyn)- Northwest Suffolk-Northeast Suffolk-Southwest Suffolk- Southeast Suffolk-Northern Queens-Northern Nassau-Southern Queens- Southern Nassau- 216 AM EDT Thu Jul 31 2025 ...FLOOD WATCH NOW IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY MORNING... ...FLOOD WATCH NOW IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH FRIDAY MORNING... 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. .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. ANZ331-332-335-338-340-345-350-353-355-010630- 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- 216 AM EDT Thu Jul 31 2025 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.
Special Weather Statement
National Weather Service New York NY
618 AM EDT Thu Jul 31 2025
NYZ067-311100-
Orange NY-
618 AM EDT Thu Jul 31 2025
...STRONG THUNDERSTORMS WILL IMPACT CENTRAL ORANGE COUNTY THROUGH 700
AM EDT...
At 618 AM EDT, Doppler radar was tracking a cluster of strong
thunderstorms near Vernon Valley, or near Warwick, moving northeast
at 15 mph.
HAZARD...Winds in excess of 30 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...
Newburgh, Middletown, Walden, Warwick, Goshen, New Windsor,
Gardnertown, Chester, Montgomery, Florida, Unionville, Kiryas Joel,
Scotchtown, Orange Lake, and Mechanicstown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
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.
&&
LAT...LON 4153 7399 4146 7400 4144 7399 4121 7438
4131 7460 4161 7431
TIME...MOT...LOC 1018Z 216DEG 14KT 4130 7447
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
JESpecial Weather Statement
National Weather Service New York NY
739 AM EDT Thu Jul 31 2025
NYZ067-311230-
Orange NY-
739 AM EDT Thu Jul 31 2025
...STRONG THUNDERSTORMS WILL IMPACT WEST CENTRAL ORANGE COUNTY
THROUGH 830 AM EDT...
At 739 AM EDT, Doppler radar was tracking a cluster of strong
thunderstorms near Milford, or near Montague, moving northeast at 15
mph.
HAZARD...Winds in excess of 30 mph and half inch 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...
Port Jervis, Huguenot, and Deerpark.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4150 7472 4138 7453 4133 7463 4135 7469
4136 7470 4137 7469 4138 7471 4139 7471
4140 7474 4143 7474 4143 7476 4146 7476
4146 7475 4149 7476
TIME...MOT...LOC 1139Z 220DEG 14KT 4137 7487
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
JESpecial 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 Albany radar (KENX), 120 km away, was scanning. The volume nearest the first event began at 13:07 UTC.
18 flash flood. Local standard time, as filed.
NY 211 at Dunn road flooded. Not passable. Closed.
Flooding on I-295 both directions at Northern Boulevard.
Flooding on I-295 both directions at 35th Avenue.
Large truck partially submerged. All lanes of the Clearview Expressway closed.
Video showing a street covered in feet of water that is spilling over onto the Long Island Railroad Great Neck train station platform and tracks.
Flooding on I-295 southbound at Belt System - Cross Island Parkway.
Flooding on I-278 eastbound approaching Lambert Street. Closed.
Video showing cars stranded in floodwaters on the Little Neck Parkway under the LIE overpass.
Road Closure due to flooding.
Video showing street flooded with up to a foot of water with sewers pushing water onto the street.
Video showing feet of water on the intersection of Chimney Lane and Loring Road. Time estimated.
Car stuck in flood waters on Bartley Lane and Andrea Lane.
Reports of several feet of water at the intersection of Locust Ave and Bourne Blvd.
Oakdale-Bohemia Roadd flooded. No cars can pass, cars stuck.
Video showing an SUV with floodwaters up to the windows in a parking lot.
Law enforcement reports multiple roads closed throughout Holbrook due to flooding.
Law enforcement reports numerous road closures from Medford to North Bellport.
Moriches Middle Island Road flooded in several spots stretching across the whole road near Shirley Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in New York in 2025Every state in 2025This day in weather historyWarnings in New York, July 2025
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1284622, 1284627, 1284624, 1284647, 1284649, 1284653, 1284654, 1284670, 1284672, 1284664, 1284668, 1284661, 1284665, 1284666, 1284678, 1284676, 1284673, 1284681.