Water Resources of the United States

PROJECT ALERT NOTICE (NY) Nor'easter of March 2018 - New York

Date: Mon, 05 Mar 2018 16:37:02 EST

Summary: Coastal Flooding from Nor'easter Receding; New York Water Science Center to Begin Sensor Recovery.

The intense Nor'easter that impacted the area last week and over the weekend has now moved well away from the region. Residual elevated water levels in the back bays of southeastern New York are currently slowly receding after a prolonged period (6+ tide cycles) of generally moderate to locally major tidal flooding. Below are some preliminary peak elevations and NWS Flood Categories reached at USGS real-time tide gage in southeastern New York.

Station # Stations Name Peak Datum Date NWS Flood
01302250 East Creek at Sands Point NY 8.90 ft NGVD29 3/2/2018 Moderate
01302600 West Pond at Glen Cove NY 7.88 ft NGVD29 3/2/2018 Minor
01302845 Frost Creek at Sheep Ln Bridge at Lattingtown NY 8.12 ft NGVD29 3/2/2018 Moderate
01304057 Flax Pond at Old Field NY 8.40 ft NGVD29 3/2/2018 Moderate
01304200 Orient Harbor at Orient NY 4.72 ft NGVD29 3/2/2018 Minor
01304562 Peconic River at County HWY 105 at Riverhead NY 5.66 ft NGVD29 3/2/2018 Moderate
01304746 Shinnecock Bay at Ponquogue NY 5.13 ft NGVD29 3/3/2018 Moderate
01304920 Moriches Bay at East Moriches NY 4.73 ft NGVD29 3/3/2018 Minor
01305575 Great South Bay at Watch Hill on Fire Island NY 4.22 ft NGVD29 3/4/2018 Moderate
01306402 Great South Bay at West Savyille NY 4.37 ft NGVD29 3/4/2018 Moderate
01309225 Great South Bay at Lindenhurst NY 4.30 ft NGVD29 3/3/2018 Moderate
01310521 Hudson Bay at Freeport NY 5.78 ft NGVD29 3/3/2018 Major
01310740 Reynolds Channel at Point Lookout NY 5.92 ft NGVD29 3/3/2018 Moderate
01311143 Hog Island Channel at Island Park NY 6.23 ft NGVD29 3/3/2018 Moderate
01311145 East Rockaway Inlet at Atlantic Beach NY 5.84 ft NGVD29 3/3/2018 Moderate
01311850 Jamaica Bay at Inwood NY 6.57 ft NGVD29 3/3/2018 Moderate
01311875 Rockaway Inlet near Floyd Bennett Field NY 6.49 ft NGVD29 3/3/2018 Minor
01376562 Great Kills Harbor at Great Kills NY 6.14 ft NGVD29 3/3/2018 Minor

It is expected that two teams will begin retrieving the 12 deployed tide and wave sensors tomorrow, along with marking and surveying any co-located high-water marks. Processing and dissemination of retrieved data is expected to be complete later in the week, with all data being available on the USGS Flood Event Viewer (https://stn.wim.usgs.gov/FEV).

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