Alert archive / New York / River Flood Warnings in 2023

River Flood Warning 5, NWS New York, NY

September 29, 2023Orange County, Rockland County, New York; Bergen County, Passaic County, New Jersey

NWS New York, NY issued this river flood warning at Sep 29, 2023, 10:58 AM EDT for Orange County, Rockland County, New York; Bergen County, Passaic County, New Jersey. It took effect at Sep 29, 2023, 2:00 PM EDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Sep 29, 2023, 10:58 AM EDT (14:58 UTC)
In effect from
Sep 29, 2023, 2:00 PM EDT
Expired
Sep 29, 2023, 10:27 PM EDT
In force
8 hr
Issued by
NWS New York, NY
Area
Storm-based polygon
Flood severity
Minor

Counties Bergen County, NJ, Passaic County, NJ, Orange County, NY, Rockland County, NY

The radar

The Brookhaven radar (KOKX), 114 km from the middle of the area, began a volume at 15:02 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 river

Written for the forecast point Ramapo River at Mahwah (MAWN4). The gauge peaked at 7.45 ft at Sep 29, 2023, 6:00 PM EDT.

actionminormoderate4681009/2909/3010/01
Action stage
7.5 ft
Minor stage
8 ft
Moderate stage
9 ft
Major stage
12 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 01387500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Sep 29, 9:55 AM EDT, 1 hour 3 minutes earlier.

Area forecast discussion, Sep 29, 9:55 AM EDT, 1 hour 3 minutes before
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Hazardous weather outlook, Sep 29, 3:21 AM EDT, 7 hours 37 minutes before
Hazardous Weather Outlook
National Weather Service New York NY
321 AM EDT Fri Sep 29 2023

CTZ005-006-010-NJZ002-004-103>105-107-NYZ067>070-072>075-078>081-176-
177-300730-
Northern Fairfield-Northern New Haven-Southern New Haven-
Western Passaic-Eastern Passaic-Western Bergen-Eastern Bergen-
Western Essex-Western Union-Orange-Putnam-Rockland-
Northern Westchester-New York (Manhattan)-Bronx-
Richmond (Staten Island)-Kings (Brooklyn)-Northwest Suffolk-
Northeast Suffolk-Southwest Suffolk-Southeast Suffolk-
Northern Queens-Northern Nassau-
321 AM EDT Fri Sep 29 2023

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

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...Saturday through Thursday.

No hazardous weather is expected at this time that would meet NWS
warning criteria.

.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.

NJZ006-106-108-NYZ178-179-300730-
Hudson-Eastern Essex-Eastern Union-Southern Queens-Southern Nassau-
321 AM EDT Fri Sep 29 2023

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL NOON EDT SATURDAY...
...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

This Hazardous Weather Outlook is for 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.

   Coastal Flood Advisory.
   Flood Watch.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Advisory.

.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.

CTZ009-NYZ071-300730-
Southern Fairfield-Southern Westchester-
321 AM EDT Fri Sep 29 2023

...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 2 PM EDT SATURDAY...
...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

This Hazardous Weather Outlook is for southern Connecticut 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.

   Coastal Flood Advisory.
   Flood Watch.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.

   Coastal Flood Advisory.

.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.

ANZ331-332-335-338-340-345-350-353-355-300730-
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-
321 AM EDT Fri Sep 29 2023

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...Saturday through Thursday.

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.

CTZ007-008-011-012-300730-
Northern Middlesex-Northern New London-Southern Middlesex-
Southern New London-
321 AM EDT Fri Sep 29 2023

This Hazardous Weather Outlook is for southern Connecticut.

.DAY ONE...Today and tonight.

Hazardous weather is not expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

No hazardous weather is expected at this time that would meet NWS
warning criteria.

.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.

In the hours before

Local storm report, Sep 29, 9:39 AM EDT, 1 hour 19 minutes before
Preliminary Local Storm Report
National Weather Service New York NY
939 AM EDT Fri Sep 29 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0902 AM     Flash Flood      Jackson Heights         40.77N 73.87W
09/29/2023                   Queens             NY   Dept of Highways

            DOT reports flooding on Runway Drive both
            directions 94th Street to Marine Terminal
            Road. All lanes closed and detoured.

&&

DSR
Local storm report, Sep 29, 9:53 AM EDT, 1 hour 5 minutes before
Preliminary Local Storm Report
National Weather Service New York NY
953 AM EDT Fri Sep 29 2023

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0937 AM     Flash Flood      Hawthorne               41.10N 73.80W
09/29/2023                   Westchester        NY   Public

            DOT reports flooding on Taconic State
            Parkway both directions between Stevens Ave
            (Mount Pleasant) and Commerce St (Mount
            Pleasant) all lanes of 3 lanes closed.

&&

DSR
Local storm report, Sep 29, 10:12 AM EDT, 46 minutes before
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Local storm report, Sep 29, 10:18 AM EDT, 40 minutes before
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Local storm report, Sep 29, 10:48 AM EDT, 10 minutes before
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Local storm report, Sep 29, 10:49 AM EDT, 9 minutes before
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The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 28, 11:09 PM EDTAreal Flood AdvisoryOKXBronx, Kings, Nassau, Queens3 hr
Sep 29, 12:48 AM EDTAreal Flood AdvisoryOKXNassau, Suffolk3 hr
Sep 29, 1:43 AM EDTFlash Flood WarningOKXKings, Nassau, Queens16 hr
Sep 29, 3:57 AM EDTAreal Flood AdvisoryOKXSuffolk3 hr
Sep 29, 6:30 AM EDTAreal Flood AdvisoryOKXRockland4 hr
Sep 29, 7:08 AM EDTAreal Flood AdvisoryOKXKings, New York, Richmond3 hr
Sep 29, 7:29 AM EDTFlash Flood WarningOKXKings, New York, Richmond3 hr
Sep 29, 7:55 AM EDTAreal Flood AdvisoryOKXBronx, New York, Rockland, Westchester3 hr
Sep 29, 8:24 AM EDTFlash Flood WarningOKXBronx, New York, Queens7 hr
Sep 29, 8:47 AM EDTFlash Flood WarningOKXRockland, Westchester4 hr
Sep 29, 9:20 AM EDTAreal Flood AdvisoryOKXPutnam, Rockland, Westchester5 hr
Sep 29, 9:22 AM EDTFlash Flood Warning Considerable damage threatOKXKings, New York, Queens5 hr
Sep 29, 10:18 AM EDTFlash Flood WarningOKXWestchester7 hr
Sep 29, 12:57 PM EDTFlash Flood Warning Considerable damage threatOKXBronx, New York, Westchester3 hr
Sep 29, 2:17 PM EDTAreal Flood AdvisoryOKXPutnam, Westchester106 min
Sep 29, 3:13 PM EDTFlash Flood Warning Considerable damage threatOKXNassau3 hr
Sep 29, 3:37 PM EDTFlash Flood WarningOKXSuffolk3 hr
Sep 29, 4:48 PM EDTAreal Flood WarningOKXBronx, Westchester16 hr
Sep 29, 5:26 PM EDTAreal Flood AdvisoryOKXWestchester3 hr
Sep 29, 5:39 PM EDTAreal Flood AdvisoryOKXWestchester104 min
Sep 29, 5:50 PM EDTFlash Flood WarningOKXSuffolk3 hr
Sep 29, 6:06 PM EDTAreal Flood AdvisoryOKXRockland3 hr
Sep 29, 4:33 AM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region117 min
Sep 29, 12:24 PM EDTFlash Flood WarningOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region5 hr
Sep 29, 3:49 PM EDTFlash Flood Warning Considerable damage threatOKXGreater Bridgeport Planning Region116 min
Sep 29, 6:33 PM EDTAreal Flood AdvisoryOKXLower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region3 hr
Sep 29, 7:22 PM EDTAreal Flood AdvisoryOKXGreater Bridgeport Planning Region, Naugatuck Valley Planning Region83 min
Sep 29, 7:35 PM EDTAreal Flood WarningOKXNaugatuck Valley Planning Region7 hr
Sep 29, 7:42 AM EDTAreal Flood AdvisoryOKXBergen, Essex, Passaic3 hr
Sep 29, 9:36 AM EDTRiver Flood WarningOKXBergen18 hr

Nearby

River Flood Warnings in New York, 2023River Flood Warnings in New Jersey, 2023Every river flood 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.