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  2. How Chinook Winds Made The Temperature Jump 30 Degrees ... - AOL

    www.aol.com/chinook-winds-made-temperature-jump...

    One of the most extreme examples of warming from a chinook happened in Loma, Montana, Jan. 14-15, 1972. The temperature warmed from minus 54 degrees to 49 degrees above zero in just 24 hours.

  3. 30th parallel south - Wikipedia

    en.wikipedia.org/wiki/30th_parallel_south

    The 30th parallel south is a circle of latitude that is 30 degrees south of the Earth's equator.It stands one-third of the way between the equator and the South Pole and crosses Africa, the Indian Ocean, Australia, the Pacific Ocean, South America and the Atlantic Ocean.

  4. Negative temperature - Wikipedia

    en.wikipedia.org/wiki/Negative_temperature

    Other degrees of freedom, such as molecular vibrational, electronic and electron spin levels are at a positive temperature, so the object still has positive sensible heat. Relaxation actually happens by exchange of energy between the nuclear spin states and other states (e.g. through the nuclear Overhauser effect with other spins).

  5. Azimuth - Wikipedia

    en.wikipedia.org/wiki/Azimuth

    For example, a bearing might be described as "(from) south, (turn) thirty degrees (toward the) east" (the words in brackets are usually omitted), abbreviated "S30°E", which is the bearing 30 degrees in the eastward direction from south, i.e. the bearing 150 degrees clockwise from north.

  6. Why Minus 40 Is A Magical Number In Weather - AOL

    www.aol.com/news/why-minus-40-magical-number...

    But there's one number in meteorology that lines up exactly between Fahrenheit and Celsius: minus 40 degrees! When the actual temperature dips down to minus 40, ...

  7. Degree of frost - Wikipedia

    en.wikipedia.org/wiki/Degree_of_frost

    "Degree" in this case can refer to degree Celsius or degree Fahrenheit. When based on Celsius, 0 degrees of frost is the same as 0 °C, and any other value is simply the negative of the Celsius temperature. When based on Fahrenheit, 0 degrees of frost is equal to 32 °F. Conversion formulas: T [degrees of frost] = 32 °F − T [°F]

  8. Thirty, flirty and declining: How 30 became a terrifying ...

    www.aol.com/news/thirty-flirty-declining-30...

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  9. 30th parallel north - Wikipedia

    en.wikipedia.org/wiki/30th_parallel_north

    The 30th parallel north is a circle of latitude that is 30 degrees north of the Earth's equatorial plane.It stands one-third of the way between the equator and the North Pole and crosses Africa, Asia, the Pacific Ocean, North America, and the Atlantic Ocean.