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This reduces fetch distances. Secondly, the water temperature nears freezing, reducing overall latent heat energy available to produce squalls. To end the production of lake-effect precipitation, a complete freeze is often not necessary. [11] Even when precipitation is not produced, cold air passing over warmer water may produce cloud cover.
Snow occurs when the atmosphere is "cold" all the way from the clouds to down here at the surface. And rain occurs when it's "warm" all the way from the clouds to the surface.
As the frigid air moves over the lakes, it absorbs warmth and moisture from the water, transferring these elements to the lower atmosphere. This process causes the air to rise and condense into ...
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.
Photograph taken 21 March 2010 in Norwich, Vermont. Frost heaving (or a frost heave) is an upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil (the freezing front or freezing boundary).
Wet snow occurs when the air temperature near the surface is above freezing, causing the snowflakes to partially melt before reaching the surface, CompuWeather said in an online report. "This ...
The freezing rain from an ice storm covers everything with heavy, smooth glaze ice. [9] In addition to hazardous driving or walking conditions, branches or even whole trees may break from the weight of ice. Falling branches can block roads, tear down power and telephone lines, and cause other damage.
Ice jacking is a continuous process that occurs during the winter in areas near lakes. The process starts when the ice begins to crack. When water then fills in those gaps, the process repeats and continues until there is a wall of ice surrounding the lake's shoreline, sometimes reaching up to three feet.