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  2. 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.

  3. List of Michigan weather records - Wikipedia

    en.wikipedia.org/wiki/List_of_Michigan_weather...

    Greatest snow depth: 117.0 inches (297 cm) January 27–31, 1948: Eagle Harbor: Tornadoes. Event Date Location Ref ... List of Michigan weather records.

  4. Frost - Wikipedia

    en.wikipedia.org/wiki/Frost

    The depth of frost crystals varies depending on the amount of time they have been accumulating, and the concentration of the water vapor . Frost crystals may be invisible (black), clear (translucent), or, if a mass of frost crystals scatters light in all directions, the coating of frost appears white.

  5. See the air quality in Michigan today with index map - AOL

    www.aol.com/see-air-quality-michigan-today...

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  6. How windy will Monday be across Michigan today? What to know

    www.aol.com/windy-monday-across-michigan-today...

    In west Michigan, wind gusts could reach peaks between 35 to 45 mph Monday, according to the NWS in Grand Rapids. Expect winds to pick up in the morning, with gales expected in the afternoon and ...

  7. Cryoseism - Wikipedia

    en.wikipedia.org/wiki/Cryoseism

    Most frost quakes are associated with minor snow cover on the ground without a significant amount of snow to insulate the ground (i.e., less than 6 inches (15 cm)) A rapid temperature drop from approximately freezing to near or below −18 °C (0 °F), which ordinarily occurred on a timescale of 16 to 48 hours.

  8. Pileup reported on Interstate 94 in Michigan amid snow - AOL

    www.aol.com/weather/breaking-pileup-reported-94...

    A massive pileup occurred on Interstate 94 on Monday morning just west of Kalamazoo, Michigan, forcing the highway's eastbound lanes to be shut down amid lake-effect snow squalls. Video from the ...

  9. Grand Rapids, Michigan - Wikipedia

    en.wikipedia.org/wiki/Grand_Rapids,_Michigan

    March has experienced a record high of 87 °F (31 °C) and record low of −13 °F (−25 °C). The average last frost date in spring is May 1, and the average first frost in fall is October 11, giving the area a growing season of 162 days. [40] The city is in plant hardiness zone 6a, while outlying areas are 5b.