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  2. Freezing air temperature - Wikipedia

    en.wikipedia.org/wiki/Freezing_air_temperature

    In the southern part of Finland, -15 °C (5 °F) is considered the limit of severe frost. The thermometer in the picture shows -17 °C (1.4 °F). The English word "frost" has 2 base meanings that are related to each other but nevertheless sufficiently different: temperature of air below the freezing point of water (ca 273 K)

  3. Freezing - Wikipedia

    en.wikipedia.org/wiki/Freezing

    Freezing is a phase transition in which a liquid turns into a solid when its temperature is lowered below its freezing point. [ 1 ] [ 2 ] For most substances, the melting and freezing points are the same temperature; however, certain substances possess differing solid-liquid transition temperatures.

  4. Degree of frost - Wikipedia

    en.wikipedia.org/wiki/Degree_of_frost

    A degree of frost is a non-standard unit of measure for air temperature meaning degrees below melting point (also known as "freezing point") of water (0 degrees Celsius or 32 degrees Fahrenheit). "Degree" in this case can refer to degree Celsius or degree Fahrenheit.

  5. Story at a glance A major winter storm is bringing record cold temperatures and winter weather to much of the continental U.S., leading to significant disruptions ahead of the Christmas holiday.

  6. What should you set your thermostats to during below freezing ...

    www.aol.com/set-thermostats-during-below...

    Changing the temperature by 7 to 10 degrees for eight hours a day, in winter and summer, can save about 10% a year on heating and cooling, the department said. This step to save money and energy ...

  7. Should You Bring Planters In During Freezing Temperatures? An ...

    www.aol.com/bring-planters-during-freezing...

    Concrete and metal planters are typically freeze-resistant and would be considered the most durable to be overwintered. ... “This will help protect the containers from the freezing temperatures ...

  8. Ground frost - Wikipedia

    en.wikipedia.org/wiki/Ground_frost

    The three main types of ground frost are radiation frost (), advection frost (advection hoar frost) and evaporation frost.The latter is a rare type which occurs when surface moisture evaporates into drier air causing its temperature at the surface to fall at or under the freezing point of water. [1]

  9. Freeze warning - Wikipedia

    en.wikipedia.org/wiki/Freeze_Warning

    A freeze warning is a warning issued by the National Weather Service when sub-freezing temperatures are expected in the next 36 hours. This can occur with or without frost . [ 1 ] When a freeze warning is issued in the fall , that will usually signify the end of the growing season , as sub-freezing temperatures will usually kill all remaining ...