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Cloud-chasing [note 1] is the activity of blowing large clouds of vapor using an electronic cigarette. [8] Using the devices for "cloud-chasing" began in the West Coast of the US . [ 8 ] The exact origins of the activity are unclear, [ 9 ] but most competitive e-cigarette users say that it started around 2012. [ 10 ]
More and more water accumulates on the seed until a visible cloud is formed. In the case of ship tracks, the cloud seeds are stretched over a long narrow path where the wind has blown the ship's exhaust, so the resulting clouds resemble long strings over the ocean. [2] Ship tracks are a type of homogenitus cloud. [3]
Sea of fog riding the coastal marine layer through the Golden Gate Bridge at San Francisco, California Afternoon smog within a coastal marine layer in West Los Angeles. A marine layer is an air mass that develops over the surface of a large body of water, such as an ocean or large lake, in the presence of a temperature inversion.
Fog over the Golden Gate Bridge (May 2009). Fog, called by San Francisco locals as "Karl" the 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.
An explanation from the National Weather Service on atmospheric rivers. An atmospheric river (AR) is a narrow corridor or filament of concentrated moisture in the atmosphere.
Water vapor normally begins to condense on condensation nuclei such as dust, ice, and salt in order to form clouds. [14] [15] Fog, like its elevated cousin stratus, is a stable cloud deck which tends to form when a cool, stable air mass is trapped underneath a warm air mass. [16] Fog normally occurs at a relative humidity near 100%. [17]
The origin of the term "cloud" can be found in the Old English words clud or clod, meaning a hill or a mass of stone. Around the beginning of the 13th century, the word came to be used as a metaphor for rain clouds, because of the similarity in appearance between a mass of rock and cumulus heap cloud.
Cirrostratus nebulosus is a type of high-level cirrostratus cloud. The name cirrostratus nebulosus is derived from Latin, the adjective nebulosus meaning "full of vapor, foggy, cloudy, dark". [2] Cirrostratus nebulosus is one of the two most common forms that cirrostratus often takes, with the other being cirrostratus fibratus.