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  2. Snow - Wikipedia

    en.wikipedia.org/wiki/Snow

    Icings – Roofs must also be designed to avoid ice dams, which result from meltwater running under the snow on the roof and freezing at the eave. Ice dams on roofs form when accumulated snow on a sloping roof melts and flows down the roof, under the insulating blanket of snow, until it reaches below freezing temperature air, typically at the ...

  3. Freezing air temperature - Wikipedia

    en.wikipedia.org/wiki/Freezing_air_temperature

    Freezing [1] or frost occurs when the air temperature falls below the freezing point of water (0 °C, 32 °F, 273 K). This is usually measured at the height of 1.2 metres above the ground surface. This is usually measured at the height of 1.2 metres above the ground surface.

  4. Classifications of snow - Wikipedia

    en.wikipedia.org/wiki/Classifications_of_snow

    Lake-effect snow (also ocean-effect snow) – Occurs when relatively cold air flows over warm lake (or ocean) water to cause localized, convective snow bands. [6] [7] Mountain snow – Orographic lift causes moist air to rise upslope on mountains to where freezing temperatures cause orographic snow.

  5. LIVE UPDATES: Snow and freezing cold temperatures move into ...

    www.aol.com/live-updates-snow-freezing-cold...

    Snow is falling across East Tennessee, and freezing cold temperatures are moving in. The National Weather Service has issued a winter storm warning through Jan. 16, predicting 4 to 8 inches of ...

  6. First snow, 40 mph freezing wind gusts coming to ... - AOL

    www.aol.com/first-snow-40-mph-freezing-154938986...

    ️ Thursday: Snow showers before 5 p.m., then snow showers, possibly mixed with rain. Steady temperature around 33. Steady temperature around 33. West wind 13 to 18 mph, with gusts as high as 30 ...

  7. Freezing rain - Wikipedia

    en.wikipedia.org/wiki/Freezing_rain

    Freezing rain develops when falling snow encounters a layer of warm air aloft, typically around the 800 mbar (800 hPa; 80 kPa) level, causing the snow to melt and become rain. As the rain continues to fall, it passes through a layer of subfreezing air just above the surface and cools to a temperature below freezing (0 °C or 32 °F or 273 K).

  8. Snow, ice and strong winds make for dangerous conditions in ...

    www.aol.com/snow-ice-strong-winds-dangerous...

    The forecast through the holiday is snow-free for most of the upper Midwest, with temperatures rising above freezing early next week. Show comments Advertisement

  9. Winter storm - Wikipedia

    en.wikipedia.org/wiki/Winter_storm

    If temperature is below freezing, 0 °C (32 °F), near the ground and up in the clouds, precipitation will fall as snow, ice, rain and snow mixed (sleet), ice pellets or even graupel (soft hail). [ 1 ] [ 2 ] Since cold air can not hold as much moisture as warm air, the total precipitation will be less than at higher temperature.