Weather Alert  

COASTAL FLOOD WARNING IN EFFECT FROM 9 AM TO 3 PM EST SUNDAY... ...COASTAL FLOOD WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY AFTERNOON ...COASTAL FLOODING EXPECTED SUNDAY INTO MONDAY... The National Weather Service in New York NY has issued a Coastal Flood Warning, which is in effect from 9 AM to 3 PM EST Sunday. * LOCATIONS...Southwestern Suffolk and Southern Nassau. * TIMING...For the Coastal Flood Warning, from 9 AM to 3 PM EST Sunday. For the Coastal Flood Watch, from Sunday night through Monday afternoon. * COASTAL FLOOD IMPACTS...There is an elevated threat of property damage. Widespread flooding of vulnerable areas is expected near the waterfront and shoreline. Expect 1 to 3 feet of inundation above ground level in low lying, vulnerable areas. This will result in numerous road closures and cause widespread flooding of low lying property including parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Vehicles parked in vulnerable areas near the waterfront will likely become flooded. Flooding will also extend inland from the waterfront along tidal rivers and bays. * SHORELINE IMPACTS...The combination of elevated water levels and high surf along the ocean beachfront should also result in significant beach erosion and localized splashovers around the times of high tide. * OUTLOOK...Minor coastal flooding and additional beach erosion are also possible around the times of high tide from Monday night into Tuesday.

How does Winter Storm Nemo Stack Up Against Other Storms to Hit LI?

Nemo comes out on top as one of the top storms in recent history on Long Island.

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Winter Storm Nemo  was touted by meteorologists as a storm of “historic” proportions, and historic it was - dumping 15 to nearly 34 inches of snow across eastern Long Island, while sparing much of Nassau County.  The snow accumulations of this storm may place it in the top five heaviest snowfalls in Long Island's recent history, but how does it compare to some of the recent storms Long Islanders have seen?

The snowfall of the winter storms of most recent years pale in comparison to Nemo, according to records from the National Oceanic and Atmospheric Administration.  The areas worst-hit by the blizzard of 2009 received up to 26 inches of snow, and the blizzard of 2010 only saw a maximum of 20 inches of snow in parts of Long Island – both less than towns like Upton that are currently buried under 33.5 inches of snow, followed closely by Commack and Huntington with about 29 inches of snow each.

Nemo’s statistics are nearly identical to those of the blizzard of ’78, which hit Long Island 35 years ago this past Wednesday.  The blizzard of ’78 had winds that gusted well over 60 miles per hour to cover most of Long Island in over 20 inches of snow, with many areas getting over two feet of snow.

The 1993 “Storm of the Century” saw stronger winds than Nemo, with 71 mile-per-hour winds clocked at LaGuardia Airport in Queens, but snow accumulation stayed around two feet for most areas.

More information will be released as it becomes available regarding statistics of Winter Storm Nemo.  Click here for more on town-by-town snowfall totals from Nemo.

Here is a sample of snow accumulations from major winter storms to hit Long Island:


Approximate Max. Snow Accumulation Max. Wind Speed
2013 33.5 in. 50+ mph
2010 20 in. 58 mph
2009 26 in. 40 mph
2005 22.1 in. 73 mph
1996 24+ in. no data available
1978 24+ in. 86 mph