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Wind chill values reached −60 °F (−51 °C) across much of Ohio, where 51 of the at least 90 storm-related deaths occurred. In Canada, the storm caused blizzard conditions across southwestern Ontario. In London, Ontario, 41 centimetres (16 in) of snow fell; the maximum wind-speed was 128 kilometres per hour (80 mph).
A map of snowfall accumulations from the winter storm. On December 5, 2017, a cold front moved through southern Texas, bringing rainfall and cold air behind it. [3] The front then intensified, which caused temperatures across the region to further decrease into the 4–10 °C (39–50 °F) range and resulted in the cooling of the atmosphere by December 7.
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.
A messy spell of winter weather continued to dominate Thanksgiving forecasts, with a mix of rain and snow materializing in different areas across the United States. Storms could potentially impact ...
The map below shows the probability that an area could receive more than 4 inches of snow. Use the slider at the top left to toggle by day. Winter weather forecast map: See full version
New York City woke up to its first white Christmas in 15 years. But only a few areas of the U.S. are likely to see snow in the weather forecast for Christmas 2024.
Lake Helen at Mount Lassen [10] and Kalmia Lake in the Trinity Alps are estimated to receive 600-700 inches of snow per year. Tamarack in Calaveras County holds the record for the deepest snowfall on earth (884 inches (2,250 cm)). 5. Alaska: Valdez: 314.1 inches (798 cm) 95 feet (29 m)
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 ...