Update: LI Under High Wind Warning & Upgraded Coastal Flood Warning During Coastal Storm


Significant rainfall, high winds, and coastal flooding are expected to create hazardous conditions on Long Island throughout Monday.

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Rainfall storm total forecast for Long Island.

Photo by: NWS NY Official Facebook Page

Update - January 23rd, 2017 - The High Wind Warning for Long Island and surrounding areas remains in effect through 6:00 AM Tuesday, with the strongest winds most likely Monday night.

The Coastal Flood Advisory has been upgraded to a Coastal Flood Warning, with widespread minor to moderate coastal flooding this evening, and localized major coastal flooding possible along the south shore bays. Minor to moderate coastal flooding is also likely Tuesday morning. 

The Coastal Flood Warning will remain in effect from 7pm to 11pm tonight. 

Below is the original story.

A coastal storm that is expected to arrive later tonight will likely have a significant impact on the Long Island area.  Nassau County, Suffolk County, and New York City will be under a High Wind Warning beginning tonight due to sustained winds of 30-40 mph and gusts that may reach 70 mph. Additionally, the waters surrounding Long Island will be under a Hurricane Wind Warning, with seas expected to build to 16-22 feet on the ocean and 6-12 feet on the Long Island Sound.

Heavy rains of 1-3 inches are expected, but forecasts indicate that 3-4 inches are a possibility.  Rainfall totals are expected to be highest on the western end of Long Island, but the eastern end should still prepare for around 2 inches. Rain will be heaviest during the day on Monday and will last until the early evening.  Due to the rainfall, the Long Island coastline will be under a Coastal Flood Advisory with minor to moderate flooding and numerous road closures a possibility.

The storm is expected to lead to downed trees and power outages, creating dangerous driving conditions throughout the day on Monday.

For the most up to date weather information, head over to the LongIsland.com Weather Center, where you can find the latest weather forecasts, advisories and more.
To get the latest traffic & road conditions before traveling, visit the LongIsland.com Traffic Center, and be sure to check out the live traffic feeds on our Traffic Cam Page.
Please visit our Long Island School Closures Page for regular updates of school closings in your district.

[Source: NWS]