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The frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources.
Winters in Missouri can be long with temperatures ranging from mildly to bitterly cold. Kansas City's January daily mean temperature is 26 °F (−3 °C) and St. Louis's is 29 °F (−2 °C). The coldest temperature ever recorded in Missouri was −40 °F (−40 °C), set at Warsaw on 13 February 1905.
Boone's Lick State Historic Site is located in Missouri, United States, four miles east of Arrow Rock. [4] The park was established in 1960 around one of the saltwater springs that was used in the early 19th century. It was named after Nathan and Daniel Morgan Boone, sons of famous American frontiersman Daniel Boone, who produced salt from the ...
Cold air outbreaks are characterized by strong upper-level troughs in the atmosphere, with ridges usually located up and downstream. [2] On January 17, 1994, the 500 millibar (mb) height contours showed the low-pressure center was situated near the border of Ontario and Manitoba, just north of Minnesota, with the trough axis stretching down into the Upper Midwest.
The more exposed an area is to the freezing air temperatures, the more quickly it will freeze. In the case of plants in containers this means they are less protected than in ground plants.”
A map of the United States detailing the record-low temperatures for various cities on January 21, 1985. The 1985 North America cold wave [1] was a meteorological event which occurred in January 1985 as a result of the shifting of the polar vortex farther south than is normally seen. [1]
near Van Buren, Carter County, Ozark Plateau, Missouri • coordinates 36°57′08″N 90°59′39″W / 36.95222°N 90.99417°W / 36.95222; -90.99417
Cold Springs is an unincorporated community in Benton County, Missouri, United States. Cold Springs is located near the Osage River , 0.8 miles (1.3 km) south of downtown Warsaw . [ 2 ]