National Weather Service United States Department of Commerce

A Potential East Coast Winter Storm Beginning On Friday

A potential winter storm may impact the East Coast beginning Friday through the weekend. A pair of storm systems may meet and combine off the Eastern Seaboard into a powerful low pressure system. At this time, heavy snow, gusty winds and coastal hazards are possible from North Carolina to New England with the most significant impacts in eastern New England. This forecast will continue to evolve. Read More >

Flood Return Period Calculator

Though this calculator is worded for the flood event return period it would work for any extreme weather event.

 

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Percent chance of occurrence

year flood %
Enter the number of years (ie..over the next 10 years)
There is a % chance that a year flood will occur over the next year(s)
year(s)