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Zero. <1.0. Nuisance. 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 ...
Winter storms can produce both ice and snow, but are usually more notable in one of these two categories. The "Maximum accumulation" sections reflect the more notable category which is represented in inches of snow unless otherwise stated. Only category 1 and higher storms as defined by their regional snowfall index are included here.
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"). Only two historical blizzards, the 1993 Storm of the Century and the ...
The last time there was an inch of snow from a single storm in New York City was on Feb. 13, 2022, or 689 days as of Jan 3, 2024. For Philadelphia, the last time there was a snowstorm that brought ...
A coast-to-coast storm could end a nearly two-year snow drought for certain Northeast regions this weekend. During a Jan. 4 weather segment on TODAY, Al Roker gave an update on the cross-country ...
Despite the European model consistently forecasting 6 in (15 cm) of snow from the storm, the National Weather Service of New York City initially predicted just 1 in (2.5 cm). Not until the afternoon of the storm did they raise the forecast into the 2–5 in (5.1–12.7 cm) zone, which prompted a winter weather advisory to be issued.
A pattern change across the West will lay the foundation for the disruptive winter storm this week. As a cold front and atmospheric energy moves through, some snow will continue to fall across the ...
Power outages. >320,000. Part of the 2022–23 North American winter. A winter storm in March 2023 impacted much of the Western, Northern, and Northeastern United States, producing high snowfall totals and widespread damage across the region. The winter storm, unofficially named Winter Storm Sage by The Weather Channel, first progressed across ...