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  2. 'Warming up to 24 below zero:' Record cold surges across ...

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    'Warmed up to 24 below zero' In Minot, North Dakota, city spokeswoman Jen Kleen her car's temperature gauge said it was minus 32 degrees while she was driving to work on Tuesday morning.

  3. 'Life-threatening' cold weather to expand southward across ...

    www.aol.com/weather/life-threatening-cold...

    The Minneapolis metro area remained below the 0-degree mark into the afternoon hours on Tuesday after dipping below zero on Saturday evening. The mercury finally climbed above zero after 2 a.m ...

  4. Freeze warnings issued for millions with the coldest ...

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    The high temperature in Washington, DC, on Wednesday could top out in the mid-50s — 10 to 15 degrees lower than normal for mid-October. Atlanta could struggle to break into the low 60s on ...

  5. Cold wave - Wikipedia

    en.wikipedia.org/wiki/Cold_wave

    Vancouver, BC recorded its coldest temperature on record of −23.3 °C (−9.9 °F) on January 23, 1969, and −18.3 °C (−0.9 °F) at the airport on December 29, 1968. Seattle recorded its snowiest winter on record with 67.5 inches (171 cm) for the season at Sea-Tac Airport. 1975. July 1975 was a historic month in South America.

  6. 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)

  7. Frost - Wikipedia

    en.wikipedia.org/wiki/Frost

    Vegetation is not necessarily damaged when leaf temperatures drop below the freezing point of their cell contents. In the absence of a site nucleating the formation of ice crystals, the leaves remain in a supercooled liquid state, safely reaching temperatures of −4 to −12 °C (25 to 10 °F).

  8. Taste of spring invades US to close out February with wild ...

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    The low temperature was 39 degrees below zero on Feb. 18. ... a morning low temperature of 15 degrees below zero and is expected to see a high temperature of a "balmy" 43 degrees on Tuesday ...

  9. Lapse rate - Wikipedia

    en.wikipedia.org/wiki/Lapse_rate

    It varies with the temperature and pressure of the parcel and is often in the range 3.6 to 9.2 °C/km (2 to 5 °F/1000 ft), as obtained from the International Civil Aviation Organization (ICAO). The environmental lapse rate is the decrease in temperature of air with altitude for a specific time and place (see below). It can be highly variable ...