Fog
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Fog is a collection of liquid water droplets or ice crystals suspended in the air at or near the Earth's surface. While fog is a type of stratus cloud, the term "fog" is typically distinguished from the more generic term "cloud" in that fog is low-lying, and the moisture in the fog is often generated locally (such as from a nearby body of water, like a lake or the ocean, or from nearby moist ground or marshes). Fog is distinguished from mist only by its density, as expressed in the resulting decrease in visibility: Fog reduces visibility to less than 1 km (5/8 statute mile), whereas mist reduces visibility to no less than 1 km . For aviation purposes in the UK, a visibility of less than 5 km but greater than 999 m is considered to be mist if the relative humidity is 70% or greater – below 70% haze is reported...
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| Map of the United States showing days of heavy fog... Map of the United States showing days of heavy fog in each location www.geography.hunter.cuny.edu/.../fog_map.htm - Web |
| United States' current dense fog advisories United States' current dense fog advisories www.weather.gov/.../wwatxtget.php?cwa=usa&wwa=dense%20fog%20advisory - Web |
| Current Western US fog satellite pictures from NOA... Current Western US fog satellite pictures from NOAA www.wrh.noaa.gov/satellite/ - Web |
Gallery for «Fog»
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| Lake Ontario Evaporative-Steam Fog Video Lake Ontario Evaporative-Steam Fog Video www.youtube.com/watch?v=r8FPWRj_TKo - Web |
| Social & Economic Costs of Fog Social & Economic Costs of Fog www.ncdc.noaa.gov/oa/esb/?goal=weather&file=events/fog/ - Web |
