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A theoretical blizzard may only impact enough people with enough snow to rate a category 2 on NESIS, but bring winds of over 70 MPH, paralyzing the region for days as 5–10 foot drifts and windblown debris are removed. Also, NESIS specifically provides for the storm's impact to the entire population of the affected area.
Description of the NESIS scale. The Northeast snowfall impact scale (NESIS) is a scale used to categorize winter storms in the Northeast United States. [1] The scale was developed by meteorologists Paul Kocin and Louis Uccellini, and ranks snowstorms from category 1 ("notable") to category 5 ("extreme").
The regional snowfall index (RSI) is a system used by NOAA to assess the societal impact of winter storms in the United States. The system is a replacement for the Northeast snowfall impact scale (NESIS) system. Since its initiation, the NCDC has retroactively assigned RSI values to over 500 historical storms since 1900.
The high-impact winter storm will bring snow and ice to portions of the I-95 corridor on Monday as the system continues to trek eastward. Major cities like Washington, D.C., and New York City will ...
Winter Storm Demi could create hazardous travel conditions across the mid-Atlantic and Northeast into early Monday morning as it delivers a quick round of snow to some of the country's largest ...
A storm is bringing just enough wintry precipitation to cause travel trouble ahead of Christmas Day across the Northeast, including Boston, New York City, Philadelphia, Baltimore and Washington, D ...
The regional snowfall index (RSI) is a scale used by NOAA to assess the societal impact of winter storms in the eastern two-thirds of the United States and classify them into one of six categories. The system was first implemented in 2014, and is a replacement for the Northeast Snowfall Impact Scale (NESIS) system which the National Climatic ...
Lake-Effect Snow Returns To Great Lakes As Strong Winds Impact Northeast. Jonathan Erdman. Updated December 6, 2024 at 5:35 AM. ... Winter storm, blizzard alerts are in effect: ...