New York, NY

Weather Forecast Office

August 18-19,2024 Flash Flooding

Overview

Radar Data

Rainfall

Local Storm Reports

Warnings

River Flooding

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

Multi-Radar/Multi-Sensor (MRMS)

Quantitative Precipitation Estimate (QPE) Multi Sensor Pass 1 Total Rainfall.

WPC Surface Analysis Animation 8 am Sunday August 18, 2024 - 8 am Monday August 19, 2024

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

Provided below are radar animations capturing the three flash flooding events across the Tri-State area. All warning polygons are provided in the animations. Green are base Flash Flood Warnings, orange are Flash Flood Warnings with a considerable tag, and magenta are Flash Flood Emergencies. See warning tab above for more warning information. Other warnings issued during the event, such as Severe Thunderstorm (yellow) and Special Marine (cyan), are also included. Each video can be enlarged by clicking the box in the bottom right corner. All loops are courtesy of GR2 Analyst.

Multi-Radar/Multi-Sensor (MRMS) Quantitative Precipitation Estimate (QPE) are also included after each radar animation. The data captures the entire event and includes rainfall that may have occurred out side the radar animation time period.

Southwest Connecticut Flash Flooding 8 AM August 18, 2024 to 8 PM on August 19, 2024

Long Island Flash Flooding 9 PM August 18, 2024 to 10 AM on August 18, 2024

Northeast New Jersey Flash Flooding 5 PM - 9 PM August 18, 2024

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

NWS reviewing possible 24 hour Connecticut State Rainfall Record

Total Rainfall from Saturday Night Through Monday Morning

Connecticut

  
  Location                    Amount    Time/Date      Provider

...Fairfield County...
Sandy Hook                   12.17 in  0700 AM 08/19   COCORAHS
Newtown 5.3 S                10.00 in  0340 PM 08/18   COCORAHS
Shelton                      9.99 in   1037 PM 08/18   CWOP
3 WNW Monroe                 9.98 in   0400 PM 08/18   Cocorahs
Redding Ridge                9.22 in   1030 PM 08/18   CWOP
NEWTOWN                      9.06 in   1040 PM 08/18   CWOP
Bethel 4.5 SSE               7.92 in   0452 PM 08/18   COCORAHS
Redding                      7.92 in   0500 PM 08/18   Cocorahs
New Canaan                   7.61 in   0700 AM 08/19   COCORAHS
Brookfield                   7.07 in   0700 AM 08/19   COCORAHS
Monroe                       7.04 in   0600 AM 08/19   COCORAHS
Stamford                     6.87 in   0610 AM 08/19   AWS
Brookfield                   6.86 in   1045 PM 08/18   AWS
4 ESE New Fairfield          6.82 in   0500 PM 08/18   Cocorahs
Bethel                       6.77 in   0800 AM 08/19   COCORAHS
Bethel                       6.57 in   0700 AM 08/19   COCORAHS
Stamford 1.0 S               6.50 in   0300 PM 08/18   COCORAHS
Darien 3.6 N                 6.42 in   0850 AM 08/19   COCORAHS
Norwalk                      6.08 in   0700 AM 08/19   COCORAHS
Norwalk 4.0 NNE              5.93 in   0750 AM 08/19   COCORAHS
Ridgefield                   5.45 in   0620 AM 08/19   COCORAHS
Danbury                      4.12 in   1044 PM 08/18   AWS
STAMFORD                     4.10 in   1005 PM 08/18   CWOP
Greenwich                    3.98 in   1030 PM 08/18   CWOP
Danbury Airport              3.87 in   0613 AM 08/19   ASOS
Norwalk                      3.71 in   0800 AM 08/19   COCORAHS
Westport                     3.55 in   1030 PM 08/18   CWOP
Greenwich                    3.53 in   1040 PM 08/18   CWOP
Shelton 1.3 W                3.43 in   0800 AM 08/19   COCORAHS
Shelton                      3.34 in   0700 AM 08/19   COCORAHS
Darien 3.6 N                 3.27 in   0940 AM 08/18   COCORAHS
SHELTON                      2.84 in   0943 AM 08/19   CWOP
Bridgeport 2.9 W             2.75 in   0700 AM 08/19   COCORAHS
Trumbull 2.6 SSE             2.37 in   0718 AM 08/19   COCORAHS
Bridgeport                   2.33 in   0800 AM 08/19   COCORAHS
Fairfield                    2.25 in   0700 AM 08/19   COCORAHS
4 NNW New Fairfield          2.14 in   0330 AM 08/19   Trained Spotter
Stratford                    2.10 in   0600 AM 08/19   COCORAHS
Norwalk 4.0 NNE              2.02 in   0840 AM 08/18   COCORAHS

...Middlesex County...
MOODUS                       2.24 in   0946 AM 08/19   CWOP

...New Haven County...
2 WNW Oxford                 14.83 in  1200 AM 08/19   Mesonet
2 WNW Oxford                 13.52 in  0919 AM 08/19   Public
Oxford                       13.50 in  1200 AM 08/19   CWOP
Middlebury                   9.55 in   0605 PM 08/18   Public
1.9 NW Naugatuck             8.04 in   1030 PM 08/18   HADS
Southbury 2.3 W              6.83 in   0800 AM 08/19   COCORAHS
Seymour                      6.71 in   0540 AM 08/19   Trained Spotter
Waterbury                    5.11 in   0700 AM 08/19   COCORAHS
NORTH PORT                   4.86 in   1030 PM 08/18   CWOP
Meriden                      4.76 in   0600 AM 08/19   COCORAHS
Yalesville                   4.51 in   0830 AM 08/19   COCORAHS
Prospect                     4.50 in   0800 AM 08/19   COCORAHS
Ansonia                      4.22 in   0700 AM 08/19   COOP
Bethany                      3.84 in   1033 PM 08/18   CWOP
Bethany 1.3 SW               3.80 in   0600 AM 08/19   COCORAHS
Wolcott                      3.75 in   1045 PM 08/18   AWS
Wallingford                  3.63 in   0700 AM 08/19   COCORAHS
Hamden                       3.51 in   0941 AM 08/19   CWOP
Cheshire                     3.33 in   0945 AM 08/19   CWOP
Meriden Airport              3.08 in   0953 AM 08/19   ASOS
West Haven                   2.98 in   0953 AM 08/19   AWS
Meriden 0.8 W                2.85 in   0600 AM 08/19   COCORAHS
WOODBRIDGE                   2.71 in   1035 PM 08/18   CWOP
Guilford                     2.59 in   0700 AM 08/19   COOP
WALLINGFORD                  2.11 in   0945 AM 08/19   CWOP
New Haven                    2.11 in   0955 AM 08/19   AWS

...New London County...
Pawcatuck                    2.91 in   0700 AM 08/19   COCORAHS
Stonington                   2.60 in   0700 AM 08/19   COCORAHS
Groton                       2.47 in   0947 AM 08/19   CWOP
Pawcatuck                    2.37 in   0630 AM 08/19   COCORAHS

New Jersey


  Location                    Amount    Time/Date      Provider

...Bergen County...
North Arlington              3.40 in   0800 AM 08/19   COCORAHS
Hasbrouck Heights 0.9 SW     3.07 in   0730 AM 08/19   COCORAHS
Tenafly                      2.82 in   0730 AM 08/19   COCORAHS
Oakland                      2.74 in   0700 AM 08/19   COCORAHS
Oakland                      2.69 in   0800 AM 08/19   COCORAHS
Lyndhurst                    2.58 in   0955 AM 08/19   AWS
Teterboro Airport            2.45 in   0951 AM 08/19   ASOS
Lodi                         2.36 in   0945 AM 08/19   IFLOWS
Bogota                       2.33 in   0953 AM 08/19   AWS
Bergenfield                  2.22 in   0945 AM 08/19   CWOP
River Edge 0.4 NNE           2.09 in   0600 AM 08/19   COCORAHS
Fair Lawn                    2.08 in   0830 AM 08/19   COCORAHS

...Essex County...
Livingston                   4.44 in   0945 AM 08/19   CWOP
Livingston Twp 2.0 NNE       4.15 in   0747 AM 08/19   COCORAHS
Maplewood                    3.86 in   0700 AM 08/19   COCORAHS
CEDAR GROVE                  3.82 in   0941 AM 08/19   CWOP
0.6 SW Caldwell              3.52 in   0945 AM 08/19   IFLOWS
West Caldwell                3.31 in   0950 AM 08/19   CWOP
West Orange                  3.19 in   0941 AM 08/19   CWOP
Caldwell                     3.15 in   0953 AM 08/19   ASOS
Caldwell                     3.00 in   0700 AM 08/19   COCORAHS
Millburn                     2.87 in   0615 AM 08/19   CWOP
1.6 W Millburn               2.84 in   0915 AM 08/19   HADS
Orange Reservoir             2.72 in   0900 AM 08/19   IFLOWS
1 W Newark                   2.21 in   0950 AM 08/19   AWS
Fairfield                    2.20 in   0955 AM 08/19   AWS

...Hudson County...
Kearny 1.7 NNW               2.58 in   1200 AM 08/19   COCORAHS
Kearny                       2.33 in   0930 AM 08/19   CWOP
Harrison                     2.20 in   0700 AM 08/19   COOP

...Passaic County...
Hawthorne                    3.29 in   0700 AM 08/19   COCORAHS
Wayne                        3.15 in   0700 AM 08/19   COCORAHS
Little Falls                 2.85 in   0700 AM 08/19   COCORAHS
Wayne                        2.81 in   0700 AM 08/19   COCORAHS
CLIFTON                      2.77 in   0945 AM 08/19   CWOP
North Haledon                2.72 in   0950 AM 08/19   CWOP
Clifton                      2.71 in   0748 PM 08/18   Trained Spotter
West Milford                 2.51 in   0700 AM 08/19   COCORAHS
Passaic                      2.41 in   0945 AM 08/19   CWOP
Ringwood 3.0 SSE             2.17 in   0700 AM 08/19   COCORAHS
0.8 SE Pompton Lakes         2.11 in   0930 AM 08/19   HADS
Clifton                      2.10 in   0950 AM 08/19   AWS
0.8 E West Paterson          2.04 in   0945 AM 08/19   HADS

...Union County...
New Providence               4.94 in   0730 AM 08/19   COCORAHS
Mountainside                 4.79 in   0930 AM 08/19   IFLOWS
Springfield                  4.53 in   0800 AM 08/19   COCORAHS

New York


  Location                    Amount    Time/Date      Provider

...Bronx County...
Fordham                      2.22 in   1045 PM 08/18   NYSM

...Nassau County...
Farmingdale                  4.46 in   0830 AM 08/19   NWS Employee
North Massapequa             4.20 in   0615 AM 08/19   CWOP
Locust Valley 0.3 E          4.17 in   0845 AM 08/19   COCORAHS
OLD WESTBURY                 4.13 in   0615 AM 08/19   CWOP
Oyster Bay                   3.85 in   1030 PM 08/18   CWOP
Syosset                      3.73 in   0825 AM 08/19   COOP
Port Washington 0.8 N        3.51 in   0806 AM 08/19   COCORAHS
Muttontown                   3.36 in   1035 PM 08/18   CWOP
Massapequa Park              3.32 in   0700 AM 08/19   COCORAHS
1 N Merrick                  3.25 in   0610 AM 08/19   AWS
Herricks                     3.16 in   0830 AM 08/19   COCORAHS
Lido Beach                   3.15 in   1000 AM 08/19   Trained Spotter
Manhasset Hills              3.12 in   0830 AM 08/19   Cocorahs
SYOSSET                      3.09 in   0619 AM 08/19   CWOP
Bethpage                     3.05 in   0618 AM 08/19   AWS
PORT WASHINGTON              2.94 in   1038 PM 08/18   CWOP
Levittown                    2.83 in   0615 AM 08/19   CWOP
Wantagh                      2.82 in   0620 AM 08/19   NYSM
Bellmore                     2.78 in   0700 AM 08/19   COCORAHS
Great Neck                   2.70 in   1039 PM 08/18   CWOP
Mineola                      2.68 in   0620 AM 08/19   AWS
East Rockaway                2.62 in   0950 AM 08/19   CWOP
Hicksville                   2.61 in   0618 AM 08/19   CWOP
North Merrick                2.20 in   0945 AM 08/19   CWOP
Valley Stream                2.03 in   0946 AM 08/19   CWOP
Port Washington 0.8 N        1.07 in   0749 AM 08/18   COCORAHS

...New York (Manhattan) County...
Central Park                 2.55 in   0951 AM 08/19   ASOS
Central Park                 2.49 in   0955 AM 08/19   AWS

...Queens County...
NYC/La Guardia               2.96 in   0951 PM 08/18   ASOS
Bellerose                    2.61 in   0941 AM 08/19   CWOP
Little Neck 0.3 SE           2.46 in   0530 AM 08/19   COCORAHS

...Rockland County...
Upper Nyack                  2.24 in   1045 PM 08/18   AWS

...Suffolk County...
1 WNW Sound Beach            10.18 in  0700 AM 08/19   NWS Employee
Miller Place                 9.84 in   0615 AM 08/19   CWOP
Port Jefferson Station       9.83 in   0830 AM 08/19   COCORAHS
Stony Brook                  9.55 in   0949 AM 08/19   CWOP
Centereach                   9.40 in   0600 AM 08/19   COCORAHS
Stony Brook                  9.40 in   0620 AM 08/19   NYSM
Setauket-East Setauket 0.7 S 9.39 in   0715 AM 08/19   COCORAHS
COMMACK                      8.82 in   0618 AM 08/19   CWOP
SMITHTOWN                    8.10 in   0945 AM 08/19   CWOP
Saint James                  7.95 in   0800 AM 08/19   Trained Spotter
East Setauket                7.67 in   0617 AM 08/19   CWOP
Selden 1.6 ESE               7.53 in   0700 AM 08/19   COCORAHS
Mount Sinai                  7.42 in   0800 AM 08/19   COOP
Dix Hills                    6.76 in   0619 AM 08/19   CWOP
Smithtown                    6.64 in   0615 AM 08/19   CWOP
Ridge 1.5 SE                 6.55 in   0500 AM 08/19   COCORAHS
Hampton Bays                 6.51 in   0945 AM 08/19   CWOP
Setauket-East Setauket 2.1 W 6.46 in   0535 AM 08/19   COCORAHS
Selden                       6.22 in   0840 AM 08/19   AWS
Baiting Hollow               5.52 in   0700 AM 08/19   COOP
Calverton                    5.48 in   0805 AM 08/19   NWS Employee
Nesconset                    5.22 in   0826 AM 08/19   COCORAHS
Kings Park                   5.07 in   0615 AM 08/19   CWOP
Huntington                   4.90 in   0617 AM 08/19   CWOP
Eastport                     4.76 in   0945 AM 08/19   RAWS
Orient                       4.58 in   0945 AM 08/19   CWOP
Smithtown 2.0 SSW            4.54 in   0800 AM 08/19   COCORAHS
Riverhead                    4.53 in   0800 AM 08/19   COCORAHS
Orient Point                 4.50 in   0800 AM 08/19   COOP
Bridgehampton                4.40 in   0700 AM 08/19   COOP
ORIENT                       4.37 in   0950 AM 08/19   CWOP
Ridge                        4.32 in   0615 AM 08/19   CWOP
Fishers Island               4.31 in   0700 AM 08/19   COCORAHS
Centerport                   4.29 in   0700 AM 08/19   COOP
Baiting Hollow               4.27 in   0945 AM 08/19   CWOP
Upton                        4.25 in   0800 AM 08/19   COOP
Westhampton Airport          4.25 in   0953 AM 08/19   ASOS
Centerport 1.1 SE            4.20 in   0700 AM 08/19   COCORAHS
Northport                    3.96 in   0615 AM 08/19   CWOP
Northport                    3.84 in   0616 AM 08/19   CWOP
Farmingdale Airport          3.83 in   0553 AM 08/19   ASOS
Old Field                    3.75 in   0135 AM 08/19   AWS
East Hampton                 3.69 in   0950 AM 08/19   CWOP
Mattituck                    3.58 in   0900 AM 08/19   COCORAHS
Southold                     3.53 in   0955 AM 08/19   NYSM
1 NNE Central Islip          3.14 in   0953 AM 08/19   AWS
Remsenburg-Speonk 0.9 NE     3.13 in   0700 AM 08/19   COCORAHS
Mattituck                    3.12 in   0950 AM 08/19   CWOP
1 SSE Manorville             2.77 in   0800 AM 08/19   COCORAHS
Southold                     2.61 in   0945 AM 08/19   CWOP
Shirley                      2.53 in   0700 AM 08/19   COCORAHS
Montauk Airport              2.42 in   0554 AM 08/19   ASOS
N. Babylon                   2.21 in   0620 AM 08/19   CWOP
Center Moriches              2.13 in   0600 AM 08/19   COCORAHS
Mattituck                    1.07 in   0900 AM 08/18   COCORAHS

...Westchester County...
New Rochelle                 3.88 in   1030 PM 08/18   CWOP
1 NW Rye                     3.64 in   0613 AM 08/19   AWS
Ossining                     3.41 in   0948 AM 08/19   CWOP
Larchmont 1.1 NNE            3.28 in   0607 PM 08/18   COCORAHS
PORT CHESTER                 3.26 in   0620 AM 08/19   CWOP
1 SSE Hartsdale              3.13 in   1045 PM 08/18   AWS
White Plains Airport         2.95 in   0615 AM 08/19   ASOS
South Salem                  2.81 in   0747 AM 08/19   COCORAHS
Rye                          2.54 in   0619 AM 08/19   AWS
SCARSDALE                    2.30 in   1015 PM 08/18   CWOP
Armonk                       2.25 in   0745 AM 08/19   COCORAHS
Shrub Oak                    2.19 in   0630 AM 08/19   COOP
1 S Peach Lake               2.03 in   0615 AM 08/19   AWS
Midland Park                 2.00 in   0845 AM 08/19   IFLOWS

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

The map below displays locations of local storm reports across the region. A full summary of the reports in the NWS New York, NY area can be found below or by clicking HERE. Please note the reports in the graphic and the text summary do not represent all flooding and damage that occurred across the Tri-State region.

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

1010 AM     Flash Flood      Stamford                41.02N 73.56W
08/18/2024                   Fairfield          CT   Law Enforcement

            Dozens of road closures and fire department
            water rescues town-wide from 920 AM through
            11 AM.

1134 AM     Flash Flood      2 WNW Rowayton          41.08N 73.47W
08/18/2024                   Fairfield          CT   Broadcast Media

            Video showing running water from the
            Goodwives River out of its banks in the Old
            Kings Market shopping center and along Old
            Kings Hwy N in Darien. Road closure at Old
            Kings Hwy N and Sedgwick Ave.

1220 PM     Flash Flood      1 ESE Danbury           41.40N 73.45W
08/18/2024                   Fairfield          CT   Emergency Mngr

            Road closures on Main Street from White
            Street to West Street. Ongoing water rescue
            from vehicle trapped in flood waters.

0120 PM     Flash Flood      1 N Ridgefield          41.29N 73.50W
08/18/2024                   Fairfield          CT   Emergency Mngr

            Multiple road closures in the Town of
            Ridgefield. Roads impassable with water 1 to
            3 feet deep in spots.

0120 PM     Flash Flood      2 NNW Bethel            41.39N 73.42W
08/18/2024                   Fairfield          CT   Public

            Mudslide on Shelter Rock Rd in Danbury that
            has caused a major gas leak and evacuations
            in the Woodland Hills Complex.

0159 PM     Flash Flood      2 WNW Southbury         41.49N 73.26W
08/18/2024                   New Haven          CT   Dept of Highways

            Route 172 all lanes closed.

0211 PM     Flash Flood      1 SE Southbury          41.48N 73.21W
08/18/2024                   New Haven          CT   Dept of Highways

            Route 6/67 all lanes closed.

0231 PM     Flash Flood      New Canaan              41.15N 73.49W
08/18/2024                   Fairfield          CT   Emergency Mngr

            Substantial river flooding Five Mile River
            at River St. Several roads closed in town
            due to debris or flooding.

0233 PM     Flash Flood      1 SE Southbury          41.48N 73.21W
08/18/2024                   New Haven          CT   Broadcast Media

            Photo of cars partially submerged.

0300 PM     Flash Flood      1 ESE Southbury         41.48N 73.20W
08/18/2024                   New Haven          CT   Public

            Pictures on social media along Route 67 near
            Pepper Tree Lane in Southbury. Debris all
            over road and trees down due to flood
            waters. Stranded vehicle off the road.

0338 PM     Flash Flood      2 E Southbury           41.49N 73.19W
08/18/2024                   New Haven          CT   Law Enforcement

            Old Waterbury Road at Old Highway closed due
            to flooding.

0340 PM     Flash Flood      2 E Southbury           41.49N 73.19W
08/18/2024                   New Haven          CT   Law Enforcement

            Portions of Old Waterbury Road being washed
            away due to flood waters.

0357 PM     Flash Flood      3 NNE Bethel            41.41N 73.38W
08/18/2024                   Fairfield          CT   Emergency Mngr

            Flooding at Weed Rd. and Walnut Hill Rd.

0430 PM     Flash Flood      4 NNW Monroe            41.41N 73.23W
08/18/2024                   Fairfield          CT   Public

            Picture and video on social media of
            Bennetts Bridge Road in Sandy Hook CT washed
            out.

0435 PM     Flash Flood      Monroe                  41.33N 73.21W
08/18/2024                   Fairfield          CT   Fire Dept/Rescue

            Multiple motorists stranded with water
            rescues ongoing in Monroe. Fire Department
            responding with extra equipment to assist
            with the rescues.

0443 PM     Flash Flood      3 NNE Bethel            41.42N 73.40W
08/18/2024                   Fairfield          CT   Dept of Highways

            Route 6 closed between I-84 and Old
            Hawleyville Rd. due to flooding.

0455 PM     Flash Flood      Shelton                 41.33N 73.10W
08/18/2024                   Fairfield          CT   Public

            Multiple docks and boats ripped from shore
            on at and floating down river at Lake
            Housatonic. Road washed out and closed
            nearby.

0500 PM     Flash Flood      Oxford                  41.44N 73.12W
08/18/2024                   New Haven          CT   Law Enforcement

            *** 2 FATAL ***
            2 women were swept away by rising
            floodwaters. Both have been reported as
            fatalities. Time of 5PM on 8/19/2024 is
            estimated.

0505 PM     Flash Flood      3 NE Monroe             41.38N 73.16W
08/18/2024                   New Haven          CT   Dept of Highways

            Route 34 is closed at Loughlin Road due to a
            washout.

0510 PM     Flash Flood      Oxford                  41.42N 73.10W
08/18/2024                   New Haven          CT   Broadcast Media

            Flood waters stranded multiple motorists on
            Oxford Road near the Brookside Inn. People
            inside a nearby home and the restaurant are
            being rescued.

0515 PM     Flash Flood      4 SSE Southbury         41.43N 73.21W
08/18/2024                   New Haven          CT   Emergency Mngr

            40 campers trapped in Kettletown State Park
            due to walking and road bridges being washed
            away.

0515 PM     Flash Flood      2 NE Monroe             41.38N 73.18W
08/18/2024                   Fairfield          CT   Broadcast Media

            Video of Roosevelt Drive in Monroe washed
            out near Lake Zoar Drive-In.

0530 PM     Flash Flood      1 NNW Oxford            41.43N 73.12W
08/18/2024                   New Haven          CT   Amateur Radio

            Numerous vehicles trapped in flood waters
            with multiple rescues ongoing along Oxford
            Road and Roosevelt Drive.

0530 PM     Flash Flood      1 SW Seymour            41.38N 73.08W
08/18/2024                   New Haven          CT   Public

            Picture on social media of train tracks
            undermined on the Waterbury Branch of the
            Metro-North New Haven line near Seymour.



0546 PM     Flash Flood      3 WNW Oxford            41.44N 73.16W
08/18/2024                   New Haven          CT   Dept of Highways

            Route 188 closed between Hulls Hill Rd. and
            Edmonds Rd. because of a mudslide.

0640 PM     Tstm Wnd Dmg     1 SW Essex Fells        40.82N 74.29W
08/18/2024                   Essex              NJ   Public

            Low hanging wires over Eagle Rock Road in
            Roseland NJ due to thunderstorm wind damage.

0645 PM     Flash Flood      1 ENE Newtown           41.42N 73.29W
08/18/2024                   Fairfield          CT   Dept of Highways

            Conn DOT reports Route 6 closed at Commerce
            Road because of a washout.

0645 PM     Flash Flood      1 S Bloomingdale        41.02N 74.34W
08/18/2024                   Passaic            NJ   Public

            Multiple streets closed due to flooding
            along Glenwild Avenue.

0700 PM     Flash Flood      Naugatuck               41.49N 73.05W
08/18/2024                   New Haven          CT   Emergency Mngr

            Four buildings along the Naugatuck River are
            compromised by flooding and are being
            evacuated.

0710 PM     Flash Flood      3 NW Shelton            41.35N 73.13W
08/18/2024                   New Haven          CT   Dept of Highways

            Route 34 closed at Jefferson Street because
            of a mudslide.

0715 PM     Flash Flood      South Orange            40.75N 74.26W
08/18/2024                   Essex              NJ   Trained Spotter

            Flooding near and on the campus of Seton
            Hall.

0725 PM     Flash Flood      Paterson                40.91N 74.16W
08/18/2024                   Passaic            NJ   Trained Spotter

            River St. flooded.

0726 PM     Flash Flood      East Newark             40.75N 74.17W
08/18/2024                   Essex              NJ   Public

            NJ 21 is closed in both directions between
            Clay Street and Mount Pleasant Ave due to
            flooding.

0727 PM     Flash Flood      Livingston              40.79N 74.33W
08/18/2024                   Essex              NJ   Trained Spotter

            Road flooded at Hillside Terrace.

0727 PM     Flash Flood      Paterson                40.91N 74.16W
08/18/2024                   Passaic            NJ   Trained Spotter

            9th Ave flooded.

0728 PM     Flash Flood      Passaic                 40.86N 74.13W
08/18/2024                   Passaic            NJ   Trained Spotter

            Parker Ave flooded.

0729 PM     Flash Flood      Nutley                  40.82N 74.16W
08/18/2024                   Essex              NJ   Trained Spotter

            Washington Ave flooded.

0730 PM     Flash Flood      Cranford                40.65N 74.30W
08/18/2024                   Union              NJ   Trained Spotter

            Chestnut at High Street is closed due to
            flooding.

0730 PM     Marine Tstm Wind 2 N Tompkinsville       40.66N 74.06W
08/18/2024  M46 MPH          ANZ338             NY   Mesonet

            46 mph wind gust at Robbins Reef measured at
            69 ft.

0731 PM     Flash Flood      Livingston              40.79N 74.33W
08/18/2024                   Essex              NJ   Trained Spotter

            Major flooding by Memorial Oval.

0732 PM     Flash Flood      Nutley                  40.82N 74.16W
08/18/2024                   Essex              NJ   Trained Spotter

            Water rescue on Harrison Ave.

0733 PM     Flash Flood      1 NW Mountainside       40.69N 74.38W
08/18/2024                   Union              NJ   Dept of Highways

            Two right lanes closed due to flooding in
            both directions on I-78 east of Exit 44.

0734 PM     Flash Flood      Harrison                40.74N 74.15W
08/18/2024                   Hudson             NJ   Trained Spotter

            Frank Rogers Blvd closed.

0737 PM     Flash Flood      1 NE East Orange        40.78N 74.20W
08/18/2024                   Essex              NJ   Dept of Highways

            3 right and left lanes closed in both
            directions on Garden State Parkway at Exit
            147 due to flooding.

0739 PM     Flash Flood      New Providence          40.70N 74.40W
08/18/2024                   Union              NJ   Trained Spotter

            Numerous water rescues near Mountain Ave.

0740 PM     Flash Flood      Secaucus                40.78N 74.06W
08/18/2024                   Hudson             NJ   Trained Spotter

            Paterson Plank Rd impassable.

0741 PM     Flash Flood      Passaic                 40.86N 74.13W
08/18/2024                   Passaic            NJ   Trained Spotter

            Major flooding with numerous cars stuck in
            the water near the train trestle.

0743 PM     Flash Flood      Scotch Plains           40.63N 74.37W
08/18/2024                   Union              NJ   Trained Spotter

            Car in flood waters West Broad St.

0744 PM     Flash Flood      Lyndhurst               40.80N 74.11W
08/18/2024                   Bergen             NJ   Trained Spotter

            Delfied Ave. water rescue.

0745 PM     Flash Flood      East Rutherford         40.82N 74.08W
08/18/2024                   Bergen             NJ   Trained Spotter

            People stuck in flood waters throughout
            town.

0748 PM     Flash Flood      Redding                 41.30N 73.40W
08/18/2024                   Fairfield          CT   Dept of Highways

            Route 53 at Diamond Hill Road closed due to
            flooding.

0748 PM     Flash Flood      Jersey City             40.71N 74.06W
08/18/2024                   Hudson             NJ   Trained Spotter

            Car stuck in flood waters.

0749 PM     Flash Flood      3 NE Watchung           40.67N 74.41W
08/18/2024                   Union              NJ   Other Federal

            Green Brook at Seeley Mills reached flood
            stage.

0749 PM     Flash Flood      3 NE Watchung           40.67N 74.41W
08/18/2024                   Union              NJ   Other Federal

            Green Brook at Seeley Mills reached flood
            stage.

0751 PM     Flash Flood      1 SW Clifton            40.85N 74.18W
08/18/2024                   Passaic            NJ   Dept of Highways

            NJ 3 is closed in both directions east of
            the Garden State Parkway due to flooding.

0751 PM     Flash Flood      1 S Summit              40.71N 74.37W
08/18/2024                   Union              NJ   Dept of Highways

            Local lanes closed on I-78 in both
            directions west of Exit 54 due to flooding.
            Express lanes closed on I-78 in both
            directions east of exit 52 due to flooding.

0754 PM     Flash Flood      1 WNW Ansonia           41.35N 73.09W
08/18/2024                   New Haven          CT   Dept of Highways

            Franklin Street closed at Wakelee Ave due to
            flooding.

0756 PM     Flash Flood      Hillside                40.70N 74.24W
08/18/2024                   Union              NJ   Dept of Highways

            All lanes closed on US 22 in Hillside
            Township due to flooding.

0800 PM     Flash Flood      1 SSE Glen Ridge        40.79N 74.20W
08/18/2024                   Essex              NJ   Trained Spotter

            Several cars stranded in flood waters on
            Garden State Parkway north of I-78,
            especially in the area of Bloomfield.

0800 PM     Marine Tstm Wind 1 S City Island         40.85N 73.79W
08/18/2024  M59 MPH          ANZ335             NY   Public

            59 mph wind gust at City Island Mesonet.

0803 PM     Flash Flood      1 NW Fanwood            40.65N 74.40W
08/18/2024                   Union              NJ   Public

            All westbound lanes on US 22 closed due to
            flooding.

0821 PM     Marine Tstm Wind 2 N Glen Cove           40.90N 73.63W
08/18/2024  M45 MPH          ANZ335             NY   Mesonet

            45 mph wind gust at Bayville WxFlow mesonet
            station. Measured at 41 ft.

0832 PM     Flash Flood      1 N Secaucus            40.80N 74.06W
08/18/2024                   Hudson             NJ   Dept of Highways

            All lanes closed on NJ 3 service road west
            of Harmon Cove.

0833 PM     Flash Flood      1 NE East Orange        40.78N 74.20W
08/18/2024                   Essex              NJ   Dept of Highways

            All lanes closed and detoured in both
            directions on the Garden State Parkway in
            the vicinity of exit 147.

0839 PM     Flash Flood      2 SW Maplewood          40.72N 74.29W
08/18/2024                   Union              NJ   Dept of Highways

            All eastbound lanes on NJ 124 closed due to
            flooding.

0855 PM     Marine Tstm Wind 1 WNW Centre Island     40.91N 73.54W
08/18/2024  M39 MPH          Nassau             NY   Mesonet

            Bayville NY East Side Mesonet. Instrument
            height 20ft.

0935 PM     Flash Flood      Kearny                  40.75N 74.12W
08/18/2024                   Hudson             NJ   Trained Spotter

            Passaic Ave closed.

1010 PM     Flash Flood      1 WNW Huntington        40.88N 73.42W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue due to stranded motorist in
            flood waters on New York Ave.

1017 PM     Flash Flood      Springs                 41.02N 72.16W
08/18/2024                   Suffolk            NY   Law Enforcement

            Road closed at Spring Fireplace Road and
            Gardiner Avenue in Springs due to flooding.

1025 PM     Flash Flood      1 SW Upper Brookville   40.84N 73.57W
08/18/2024                   Nassau             NY   Dept of Highways

            Wolver Hollow Road is closed in both
            directions from Piping Rock Road and
            Weatherlow Lane due to flooding.

1036 PM     Flash Flood      Jericho                 40.79N 73.54W
08/18/2024                   Nassau             NY   Dept of Highways

            NY 25 is closed in both directions at Cedar
            Swamp Road at 106 due to flooding.

1043 PM     Flash Flood      1 N Springs             41.04N 72.16W
08/18/2024                   Suffolk            NY   Law Enforcement

            Road closed at Underwood Drive and Tyrone
            Drive in Springs due to flooding.

1100 PM     Flash Flood      1 E Smithtown           40.86N 73.20W
08/18/2024                   Suffolk            NY   911 Call Center

            25A at Brooksite Drive closed due to
            flooding.

1108 PM     Flash Flood      1 NE Jericho            40.80N 73.53W
08/18/2024                   Nassau             NY   Dept of Highways

            NY 25 Eastbound closed due to flooding at
            Robbins Lane.

1108 PM     Flash Flood      1 NE Jericho            40.80N 73.53W
08/18/2024                   Nassau             NY   Dept of Highways

            NY 25 eastbound is closed due to flooding at
            Robbins Lane.

1108 PM     Flash Flood      1 NE Jericho            40.80N 73.53W
08/18/2024                   Nassau             NY   Dept of Highways

            NY 25 Eastbound is closed at Robbins Lane
            due to flooding.

1120 PM     Flash Flood      1 SSE Commack           40.82N 73.28W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue due to stranded motorist in
            flood waters on Fisher Road.

1121 PM     Flash Flood      2 SSE Commack           40.82N 73.28W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Fisher Road due to stranded
            motorist in flood waters.

1125 PM     Flash Flood      1 E Smithtown           40.86N 73.20W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Several vehicles stranded in flood waters on
            Main Street NY 25A near Elliott Place.

1130 PM     Flash Flood      1 SSE Nesconset         40.83N 73.15W
08/18/2024                   Suffolk            NY   Public

            Two cars stranded in flood waters at the
            intersection of Old Nichols Road and
            Smithtown Boulevard.

1133 PM     Flash Flood      1 SE Setauket-East Seta 40.92N 73.09W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Sheep Pasture Road at Locust
            Manor Court.

1136 PM     Flash Flood      1 SW Lake Grove         40.85N 73.13W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire Department dispatched to a stranded
            motorist on Browns Road at Monroe Street.

1145 PM     Flash Flood      1 S Saint James         40.86N 73.15W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Hobson Ave.

1150 PM     Flash Flood      1 NNW Lake Ronkonkoma   40.84N 73.12W
08/18/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Frederick Ave.

1225 AM     Flash Flood      1 SSW Coram             40.87N 73.01W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire Department being dispatched to a
            stranded motorist to perform a water rescue
            on Daryl Drive at Mooney Pont Road.

1233 AM     Flash Flood      Selden                  40.87N 73.05W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire department dispatched to close Boyle
            Road at Wyandotte street due to flooding.

1235 AM     Flash Flood      2 SW Port Jefferson Sta 40.91N 73.09W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire department dispatched to stranded
            motorist to perform a water rescue on N
            Belle Meade Road.

1235 AM     Flash Flood      2 SW Port Jefferson Sta 40.91N 73.09W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire department dispatched to stranded
            motorist to perform a water rescue on N
            Belle Meade Road.

1235 AM     Flash Flood      2 SW Port Jefferson Sta 40.91N 73.09W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire department dispatched to stranded
            motorist to perform a water rescue on N
            Belle Meade Road.

1240 AM     Flash Flood      1 NNE Selden            40.88N 73.04W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Basement flooding with 4 to 5 feet of water
            and rising on Evergreen Drive. Fire
            department responding.

1245 AM     Flash Flood      1 W Saint James         40.87N 73.17W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Three vehicles stranded in flood waters on
            N. County (NY 25A) at Woodlawn Ave.

1248 AM     Flash Flood      2 S Miller Place        40.91N 72.99W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Amber Lane at Shenandoah
            boulevard.

0100 AM     Flash Flood      2 N Farmingville        40.85N 73.03W
08/19/2024                   Suffolk            NY   911 Call Center

            Report of basement flooding and car stuck in
            flooding with water in the vehicle on
            Adirondack Drive.

0110 AM     Flash Flood      1 S Miller Place        40.92N 72.99W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire Department responding to home with
            basement flooding with several feet of
            water.

0115 AM     Flash Flood      1 NE Hauppauge          40.83N 73.20W
08/19/2024                   Suffolk            NY   911 Call Center

            Vehicle stranded in flood waters at NY 347
            and NY 111.

0135 AM     Flash Flood      Port Jefferson          40.95N 73.06W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Flowing flood waters on high street that is
            beginning to enter homes.

0140 AM     Flash Flood      Port Jefferson          40.95N 73.06W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Small landslide reported at the Bell Harbour
            Mews Apartments with flood waters continue
            to rise.

0148 AM     Flash Flood      1 SE Port Jefferson     40.94N 73.05W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Fire Department closing Edgewood Ave due to
            rising flood waters. Road is impassable.

0150 AM     Flash Flood      1 WSW Centereach        40.87N 73.10W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Basement flooding with Fire Department
            responding to the home.

0155 AM     Flash Flood      1 S Saint James         40.86N 73.15W
08/19/2024                   Suffolk            NY   Public

            Water up to hood of car stuck in flood
            waters on Middle Country Road at Hobson Ave.
            Occupants are out of the vehicle.

0200 AM     Flash Flood      1 NW Setauket-East Seta 40.94N 73.11W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on North Country Road at
            Ridgeway Ave.

0222 AM     Flash Flood      1 SSW Dix Hills         40.79N 73.34W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Vehicle stranded in flood waters at Deer
            Park Ave just south of I-495.

0222 AM     Flash Flood      Saint James             40.88N 73.15W
08/19/2024                   Suffolk            NY   Public

            Several feet of flood waters covering 2nd
            Ave at 7th street. Road impassable.

0226 AM     Flash Flood      1 WSW Dix Hills         40.80N 73.35W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Tiana Place at Memas Court.

0230 AM     Flash Flood      1 W Port Jefferson      40.95N 73.07W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Port Jefferson firehouse was flooded and had
            to be evacuated. There was also significant
            damage to their communication equipment.
            Numerous water rescues were performed in
            Port Jefferson with all water rescue assets
            utilized, including a high water rescue
            truck and two swift water rescue teams, for
            search and rescue of stranded motorists in
            flood waters. No injuries were reported.

0230 AM     Flash Flood      Smithtown               40.86N 73.22W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue 

            The Nissequoque River dam broke around 9:30 
            am due to the flash flooding causing the 
            entire Blydenburgh Pond to empty into the 
            Nissequogue River. The river overflowed its 
            banks sending water into homes and onto 
            nearby streets. Two residents were trapped 
            on the second floor of their home near the 
            head of the River and had to be rescued by 
            Smithtown Fire Department. The River 
            flooding also impacted service on the Port 
            Jefferson Line of the LIRR.


0230 AM     Flash Flood      1 E Dix Hills           40.80N 73.31W
08/19/2024                   Suffolk            NY   Law Enforcement

            Long Island Expressway (I-495) is closed
            between Exit 52 and Exit 51 westbound due to
            flooding. NY State called to assist with
            pumping water.

0232 AM     Flash Flood      1 SE Miller Place       40.92N 72.97W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on Miller Place-Yaphank Road.

0240 AM     Flash Flood      1 WSW Montauk           41.04N 71.96W
08/19/2024                   Suffolk            NY   Law Enforcement

            Road closed at N Shore Road and 2nd House
            Road in Montauk due to flooding.

0250 AM     Flash Flood      1 E Smithtown           40.85N 73.19W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Multiple homes with basement flooding across
            NW Suffolk County within the cities of
            Commack, Smithtown, St James, Centereach,
            Setauket, Selden, Coram, Port Jefferson, and
            Rocky Point.

0250 AM     Flash Flood      1 E Head of the Harbor  40.90N 73.15W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Water rescue on NY 25A at Mill Pond Road.

0257 AM     Flash Flood      1 SSE Saint James       40.86N 73.14W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Car stuck in flood waters with occupant on
            roof of car on Middle Country Road at White
            Ave. Fire department responding.

0351 AM     Flash Flood      1 N Hampton Bays        40.89N 72.52W
08/19/2024                   Suffolk            NY   Trained Spotter

            Spotter reports FD responding to a flooded
            home on Bittersweet Avenue in Hampton Bays.

0400 AM     Flash Flood      2 ENE Amagansett        40.99N 72.11W
08/19/2024                   Suffolk            NY   Law Enforcement

            Road closed at Abrahams Landing Road and
            Cross Highway due to flooding.

0500 AM     Flash Flood      1 WNW Stony Brook       40.91N 73.15W
08/19/2024                   Suffolk            NY   Fire Dept/Rescue

            Harbor Road collapsed due Mill Pond
            overflowing. Local FD began precautionary
            evacuations of nearby homes around 3:30am.

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

There were a total of 12 Flash Flood Warnings issued on August 18, 2024 into the morning of August 19, 2024. Five of them were base Flash Flood Warnings. Five were upgraded to a Considerable tag and two were Flash Flood Emergencies. Several warning images are courtesy of Iowa State University Iowa Environmental Mesonet.

Flash Flood Emergencies


Flash Flood Emergency for Central Fairfield and Northwestern New Haven Counties Issued at 2:52 PM August 18, 2024	Flash Flood Emergency for Western Suffolk County Issued at 1:20 AM August 19, 2024

Flash Flood Warnings With Considerable Tag


Flash Flood Warning for Fairfield and Northwestern New Haven Counties Issued at 9:26 AM and upgraded at 12:00 PM August 18, 2024

Flash Flood Warning for Northern Fairfield and Northern New Haven Counties Issued at 12:21 PM and upgraded at 12:34 PM August 18, 2024	Flash Flood Warning for Eastern Fairfield and Central New Haven issued at 4:14 PM and upgraded at 5:22 PM August 18, 2024

Flash Flood Warning for Bergen, Passaic, Essex, and Union Counties Issued at 6:38 PM and upgraded at 7:05 PM August 18, 2024	Flash Flood Warning for Eastern Nassau and Western Suffolk County Issued at 12:10 AM August 19, 2024

Base Flash Flood Warnings


Flash Flood Warning for Passaic, Northwest Bergen, Orange, Western Putnam and Western Westchester issued at 5:46 PM August 18, 2024

Flash Flood Warning for NYC metro and urban NE NJ Issued at 7:17 PM August 18, 2024	Flash Flood Warning for Eastern Nassau and Northwest Suffolk counties issued at 9:53 PM August 18, 2024

Flash Flood Warning for Western Suffolk County Issued at 11:03 PM August 18, 2024	Flash Flood Warning for Eastern Suffolk County Issued at 11:59 PM August 18, 2024

**This webpage is under construction and will be updated. All data provided are considered preliminary.**

Naugatuck River at Beacon Falls Flood Warning