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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
The term itself is borrowed from the notion of "frost line" in soil science, which describes the maximum depth from the surface that groundwater can freeze. Each volatile substance has its own frost line (e.g. carbon monoxide, [ 1 ] nitrogen , [ 2 ] and argon [ 3 ] ), so it is important to always specify which material's frost line is referred ...
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.
The National Weather Service says the earliest last frost in Greater Akron was on April 9 back in 1896. The latest last frost on record for the region was on June 11 in 1972. The average last ...
The period between the final Spring frost and the first Fall frost is considered "growing season" by the almanac. Check out the National Weather Service forecast for the Tri-City area here .
The weather service office in Cleveland said Saturday that more than a foot of lake-effect snow was possible in parts of the region starting at noon Sunday and continuing through 7 a.m. Tuesday.
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 ...
The Cold Regions Research and Engineering Laboratory (CRREL) is a United States Army Corps of Engineers, Engineer Research and Development Center research facility headquartered in Hanover, New Hampshire, that provides scientific and engineering support to the U.S. government and its military with a core emphasis on cold environments.