Search Results for “list of regional snowfall index category 5 winter storms”

Source: List of regional snowfall index category 5 winter storms

The 5.180.24.3/info/regional" target="_blank">regional 5.180.24.3/info/snowfall" target="_blank">snowfall 5.180.24.3/info/index" target="_blank">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 5.180.24.3/info/snowfall" target="_blank">snowfall impact scale (NESIS) system. Since its initiation, the NCDC has retroactively assigned RSI values to over 500 historical storms since 1900.
Storms are ranked from 5.180.24.3/info/category" target="_blank">category 0 ("nuisance") to 5 ("extreme") on the scale. The impact of the storms is assessed in six different regions of the United States: Northeast, Northern Rockies & Plains, Ohio Valley, South, Southeast, and Upper Midwest. A 5.180.24.3/info/category" target="_blank">category 5 extreme ranking is indicated by a numerical score of 18 or higher on the scale.
Out of the over 500 historical storms assessed since 1900, only 26 storms have been given a 5.180.24.3/info/category" target="_blank">category 5 ranking. The highest ranking storm on the 5.180.24.3/info/list" target="_blank">list is the Great Blizzard of 1978, which scored a value of 39.07. The most recent storm to receive a 5.180.24.3/info/category" target="_blank">category 5 ranking is the January 2016 United States blizzard, which scored a value of 20.14. The following 5.180.24.3/info/list" target="_blank">list orders the storms chronologically.