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  2. Accumulated winter season severity index - Wikipedia

    en.wikipedia.org/wiki/Accumulated_Winter_Season...

    The start of winter is defined when any of these conditions are met: 1) daily maximum temperature ≤ 32 °F (0 °C), 2) first measurable snowfall or 3) it is December 1. Likewise, values stop being calculated at the end of winter – when the last of the following four conditions occurs: 1) daily maximum temperature ≤ 32 °F (0 °C) no ...

  3. Winter - Wikipedia

    en.wikipedia.org/wiki/Winter

    1883–1888: Colder temperatures worldwide, including an unbroken string of abnormally cold and brutal winters in the Upper Midwest, related to the explosion of Krakatoa in August 1883. There was snow recorded in the UK as early as October and as late as July during this period. 1976–1977: One of the coldest winters in the US in decades.

  4. List of major snow and ice events in the United States

    en.wikipedia.org/wiki/List_of_major_snow_and_ice...

    The second has to do with meteorological winter which varies with latitude for a start date. [1] Winter is often defined by meteorologists to be the three calendar months with the lowest average temperatures. Since both definitions span the start of the calendar year, it is possible to have a winter storm occur two different years.

  5. NYC braces for 6 inches of snow, brutal cold as polar vortex ...

    www.aol.com/nyc-braces-6-inches-snow-150846474.html

    "Once the snow starts to come in, the temperature will essentially drop like a rock," Fox Forecast Center Meteorologist Marissa Lautenbacher told The Post. NYC braces for 6 inches of snow, brutal ...

  6. When could it start snowing in Milwaukee? Here's a look at ...

    www.aol.com/could-start-snowing-milwaukee-heres...

    Temperatures in Wisconsin might still feel like summer, but the state is quickly approaching the average first snowfall of the season.. In Milwaukee, the earliest snowfall of the season on record ...

  7. Avalanches: What causes innocent-looking snow slopes to ... - AOL

    www.aol.com/avalanches-causes-innocent-looking...

    But when the temperature rises and the snow starts to melt and then refreezes, it turns more granular. That granular, icier snow is a weak layer. When a new snowfall dumps on top of it, the grains ...

  8. Snow - Wikipedia

    en.wikipedia.org/wiki/Snow

    Among vertebrates, alpine salamanders are active in snow at temperatures as low as −8 °C (18 °F); they burrow to the surface in springtime and lay their eggs in melt ponds. Among mammals, those that remain active are typically smaller than 250 grams (8.8 oz).

  9. List of snowiest places in the United States by state

    en.wikipedia.org/wiki/List_of_snowiest_places_in...

    The list of snowiest places in the United States by state shows average annual snowfall totals for the period from mid-1985 to mid-2015. Only places in the official climate database of the National Weather Service, a service of NOAA, are included in this list. Some ski resorts and unofficial weather stations report higher amounts of snowfall ...