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  2. Over 75% of the US expected to face freezing ... - AOL

    www.aol.com/over-75-us-expected-face-182445124.html

    Most of the United States is being assailed with extreme winter weather this week as Arctic air blasts south from Canada, snow tracks up the Northeast coast and a potentially crippling winter ...

  3. Freezing level - Wikipedia

    en.wikipedia.org/wiki/Freezing_level

    Dual-polarization radar image of an easily identifiable freezing layer, denoted by the yellow ring around the radar. There are several different methods to examine the structure of the temperature of the atmosphere including its freezing level: A radiosonde attached to a weather balloon is the oldest and most common method used. Each area ...

  4. Winter Storm Coats Cities In Ice, Snow From Midwest To Northeast

    www.aol.com/live-updates-winter-storm-freya...

    (1:50 p.m. ET) Winter Weather Terms You Need To Know. This time of year, you might hear a lot of different weather words.For example: A winter weather advisory can be issued for sleet, snow ...

  5. Which states will see snow, ice next? See where winter storm ...

    www.aol.com/states-see-snow-ice-next-135044000.html

    Freezing rain and resulting ice accumulations are possible later this week across parts of north Georgia, where temperatures could range from 22 to 30 degrees in the Atlanta, Athens, and Augusta ...

  6. Frost line - Wikipedia

    en.wikipedia.org/wiki/Frost_line

    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.

  7. Deadly winter storm pummels Mid-Atlantic, disrupting flights ...

    www.aol.com/major-winter-storm-pummels-central...

    In Washington, public schools were shuttered Monday as snow began piling up and temperatures dropped below freezing levels. School closures also delayed students' return to the classroom in ...

  8. Historic snowstorm shuts down travel for millions from Texas ...

    www.aol.com/weather/snow-ice-storm-threatens...

    Snow and ice can stay on the ground for days during subfreezing temperatures, or where daytime temperatures rise above freezing but drop below 32 degrees at night, new patches of ice may develop.

  9. Prognostic chart - Wikipedia

    en.wikipedia.org/wiki/Prognostic_chart

    Low-level prognostic charts used by aviators show the forecast between the Earth's surface and 24,000 feet (7,300 m) above sea level over the next two days. They show areas where visual flight rules are in effect, instrument flight rules are in effect, the height of the freezing level, the location of weather features, and areas of moderate to ...