National Weather Service United States Department of Commerce

New York, NY

Weather Forecast Office

February 9, 2017 Blizzard

Weather.gov > New York, NY > February 9, 2017 Blizzard
 
 
 The Blizzard of February 9, 2017
 
 
 Impacts
  • Blizzard conditions occurred over Long Island, Southern Connecticut, and coastal portions of the Lower Hudson Valley from after sunrise into the late afternoon hours on February 9, 2017.
    • Snowfall totals ranged from 6" across portions of northeast New Jersey to around 10" in New York City to 12-16" across Long Island, southern Connecticut, and the Lower Hudson Valley.
    • Thundersnow was observed across portions of Long Island and southern Connecticut.
    • Snowfall rates range from 1 to 3 inches per hour with locally 4 inches per hour at times.
  • The blizzard brought delays and cancellations to the regions transportations systems as well as numerous accidents on roadways.
    • Approximately 2,000 flight cancellations and numerous delays occurred at the three major airports, Kennedy, Newark, and LaGuardia.
    • The Long Island Railroad had systemwide delays and cancelled 20 trains.
    • Multiple car accidents occurred on roads as well as several hundred rescues were performed by police/fire on Long Island.
 
 Other Facts
  • A cold front associated with low pressure across southeast Canada moved across the region on Wednesday February 8. Behind the cold front, an upper level trough amplfied across the midwest. Energy within this trough acted on the cold front to develop a new low pressure across the Middle Atlantic. This low pressure rapidly intensified as it moved off the Delmarva coast the morning of Thursday February 9 and then to the south and east of Long Island later later that day.
  • The southeast coast of Long Island including the eastern Hamptons and Montauk were warmer at the onset of the storm. Montauk was 41 degrees between 9 and 10 am in rain, before dropping to around 32 by 11 am in heavy snow.
  • The day before the blizzard (Wednesday February 8), record warmth was observed across the Tri-State area. Record highs ranged from 62 at Central Park, NY to 65 at Newark, NJ.  Temperatures dropped 30-40 degrees in 12-15 hours as readings were in the middle-upper 20s during the height of the blizzard.


 

 
 
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