Local Storm Report
Issued by NWS Upton, NY
Issued by NWS Upton, NY
894
NWUS51 KOKX 210251
LSROKX
Preliminary Local Storm Report...Summary
National Weather Service New York NY
1051 PM EDT Thu Aug 20 2026
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM Flash Flood 1 SSW Clifton 40.85N 74.17W
08/20/2026 Passaic NJ Broadcast Media
Corrects previous flash flood report from 1
SSW Clifton. Flooding on NJ 3 Westbound East
of Garden State Parkway, 2 left lanes of 3
lanes closed. Reported by 511nj.org.
0604 PM Flash Flood 1 ENE Secaucus 40.79N 74.05W
08/20/2026 Hudson NJ Public
1 right lane of 2 lanes closed due to
flooding reported by 511.org.
0613 PM Flash Flood Harrison 40.74N 74.16W
08/20/2026 Hudson NJ CO-OP Observer
Water rescues being conducted.
0618 PM Marine Tstm Wind 2 N Tompkinsville 40.66N 74.06W
08/20/2026 M48 MPH ANZ338 NY Mesonet
Mesonet station ROBN4 Robbins Reef, NJ.
0621 PM Flash Flood East Newark 40.75N 74.17W
08/20/2026 Essex NJ Broadcast Media
Corrects previous flash flood report from
East Newark. Flooding on US 1&9/Tonnelle
Avenue Northbound South of Secaucus Rd. 1
right lane of 2 lanes closed. Reported by
511nj.org.
0625 PM Flash Flood 1 NNW Teterboro Airport 40.87N 74.06W
08/20/2026 Bergen NJ Broadcast Media
Corrects previous flash flood report from 1
NNW Teterboro Airport. Flooding on NJ 17
Both Directions North of US 46. All lanes
closed southbound. Reported by 511nj.org.
0630 PM Tstm Wnd Dmg 1 WSW Upper Nyack 41.11N 73.93W
08/20/2026 Rockland NY Other Federal
Tree down on US 9W southbound south of Old
Mountain Road.
0647 PM Flash Flood 1 ESE Jackson Heights 40.77N 73.86W
08/20/2026 Queens NY Broadcast Media
Corrects previous flash flood report from 1
ESE Jackson Heights. 3 left lanes of 4 lanes
blocked near terminal C at LGA as reported
by 511.org.
0654 PM Marine Tstm Wind NYC/JFK 40.64N 73.76W
08/20/2026 M48 MPH Queens NY ASOS
ASOS station KJFK NYC/JFK Airport.
0704 PM Flash Flood 1 W Elizabeth 40.67N 74.20W
08/20/2026 Union NJ Dept of Highways
All lanes closed on US 1&9 Northbound North
of Grand St. Reported by 511nj.org.
0727 PM Tstm Wnd Dmg 1 W Atlantic Beach 40.59N 73.75W
08/20/2026 Nassau NY Public
Widespread damage to structures with photos
reported on Facebook.
0728 PM Marine Tstm Wind Eatons Neck 40.95N 73.40W
08/20/2026 M39 MPH Suffolk NY Mesonet
Corrects previous non-tstm wnd gst report
from Eatons Neck. Mesonet station XEAT
Eatons Neck.
0752 PM Flash Flood Melville 40.78N 73.42W
08/20/2026 Suffolk NY Dept of Highways
Flooding on NY 110 both directions at
Melville Park Drive. 2 right lanes of 3
lanes closed. Reported by 511ny.org.
0755 PM Marine Tstm Wind 3 WSW Davis Park 40.67N 73.07W
08/20/2026 M48 MPH Suffolk NY Mesonet
Halley Dr Mesonet.
0759 PM Marine Tstm Wind 2 WNW Captree State Par 40.65N 73.30W
08/20/2026 M39 MPH ANZ345 NY Mesonet
Mesonet station XGRS Fire Island CG.
0814 PM Marine Tstm Wind 39 S Jones Beach 40.04N 73.44W
08/20/2026 M40 MPH ANZ385 NY Mesonet
Mesonet station XGLL Greens Ledge Light.
0829 PM Flash Flood North Babylon 40.74N 73.32W
08/20/2026 Suffolk NY Dept of Highways
Flooding on NY 231 northbound at Ryder
Avenue. All lanes closed. Reported by
511ny.org.
0913 PM Flash Flood East Massapequa 40.68N 73.43W
08/20/2026 Nassau NY Dept of Highways
Flooding on NY 27 both directions at Carmans
Road. All lanes closed. Reported by
511ny.org.
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