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  2. Hardiness zone - Wikipedia

    en.wikipedia.org/wiki/Hardiness_zone

    X 6 = mean maximum snow depth in terms of S/(S+a) ... 2023 USDA Plant Hardiness Zone Map (with ZIP code lookup, interactive) Freeze/Frost data from NOAA;

  3. Frost line - Wikipedia

    en.wikipedia.org/wiki/Frost_line

    The maximum frost depth observed in the contiguous United States ranges from 0 to 8 feet (2.4 m). [1] Below that depth, the temperature varies, but is always above 0 °C (32 °F). Alternatively, in Arctic and Antarctic locations the freezing depth is so deep that it becomes year-round permafrost , and the term " thaw depth " is used instead.

  4. An Underground Greenhouse Is the Secret to Year-Round ... - AOL

    www.aol.com/underground-greenhouse-secret-round...

    Once you determine the frost depth in your location, Kovach suggests doubling it to determine how far to dig. For instance, the frost depth where he lives is 18 inches below ground, so he would ...

  5. Active layer - Wikipedia

    en.wikipedia.org/wiki/Active_layer

    The red dotted-to-solid line depicts the average temperature profile with depth of soil in a permafrost region. The trumpet-shaped lines at the top show seasonal maximum and minimum temperatures in the "active layer", which commences at the depth where the maximum annual temperature intersects 0 °C. The active layer is seasonally frozen.

  6. Frost heaving - Wikipedia

    en.wikipedia.org/wiki/Frost_heaving

    Photograph taken 21 March 2010 in Norwich, Vermont. Frost heaving (or a frost heave) is an upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil (the freezing front or freezing boundary).

  7. How much snow has fallen near you? Find winter storm snowfall ...

    www.aol.com/much-snow-fallen-near-winter...

    Some areas around Kansas City, Missouri saw as much as 12 inches of snow over the weekend, according to the National Weather Service, as of Monday morning, Jan. 6, 2025 around 9 a.m. ET.

  8. Ground frost - Wikipedia

    en.wikipedia.org/wiki/Ground_frost

    Ground frost refers to the various coverings of ice produced by the direct deposition of water vapor on objects and trees, whose surfaces have a temperature below the freezing point of water (0 °C, 32 °F).

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

    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.