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Ground fog is fog that obscures less than 60% of the sky and does not extend to the base of any overhead clouds. [20] However, the term is usually a synonym for shallow radiation fog; in some cases the depth of the fog is on the order of tens of centimetres over certain kinds of terrain with the absence of wind.
The fog season is a season of fog that occurs in some places, because of special meteorological and topographical characteristics, after a rainy period. The fog ...
Fog over the Golden Gate Bridge (May 2009). Fog is a common weather phenomenon in the San Francisco Bay Area and the entire coastline of California extending south to the northwest coast of the Baja California Peninsula.
Where does the fog come from? You may have woken up to steamy windows or noticed fog hanging over downtown Kansas City in the morning. This is caused by the air temperature lowering just enough ...
Fog is commonly considered a surface-based cloud layer. [21] The fog may form at surface level in clear air or it may be the result of a very low stratus cloud subsiding to ground or sea level. Conversely, low stratiform clouds result when advection fog is lifted above surface level during breezy conditions.
Fog can also occur preceding a warm frontal passage. Clearing and warming is usually rapid after frontal passage. Clearing and warming is usually rapid after frontal passage. If the warm air mass is unstable, thunderstorms may be embedded among the stratiform clouds ahead of the front, and after frontal passage thundershowers may still continue.
Devon Tower is enveloped in fog as flurries of snow fall in Oklahoma City in 2023. Almost the entire state of Oklahoma is under a dense fog advisory Tuesday, Jan. 23, 2024.
Tule fog is a radiation fog, which condenses when there is a high relative humidity (typically after a heavy rain), calm winds, and rapid cooling during the night. The nights are longer in the winter months, which allows an extended period of ground cooling, and thereby a pronounced temperature inversion at a low altitude.