''This article is about the mixture of solid and liquid snow. For other uses of the term "slush", see slush (disambiguation).

Slush is a slurry mixture of snow and liquid water. In the natural environment, slush forms as ice or snow melts. This often mixes with dirt and other materials, resulting in a gray or muddy brown color. Often, solid ice or snow will block the drainage of fluid water from slushy areas, so slush often goes through multiple freeze/thaw cycles before completely disappearing. In areas where road salt is used to clear roadways, slush forms at colder temperatures than it would ordinarily, and only in salted areas; this can produce a number of different consistencies over the same geographical area.


Slush can be a problem on aircraft runways as the effect of excess slush acting on the aircraft's wheels can have a retarding effect during take off, causing accidents such as the Munich air disaster.

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