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Fog is a visible aerosol consisting of tiny water droplets or ice crystals suspended in the air at or near the Earth's surface. [1] [2] Fog can be considered a type of low-lying cloud usually resembling stratus and is heavily influenced by nearby bodies of water, topography, and wind conditions.
Likewise, warming air decreases the relative humidity. Warming some air containing a fog may cause that fog to evaporate, as the droplets are prone to total evaporation due to the lowering partial pressure of water vapour in that air, as the temperature rises. Relative humidity only considers the invisible water vapour.
While heat and humidity may be a common consequence to the summer season, the right factors can be deadly. An average of 658 people died of heat-related causes between 1999 and 2009. Check out the ...
During air stagnation events, it is recommended for children, elders, and people with pre-existing health conditions, to stay inside as much as possible and stay hydrated. [ 8 ] An example or air stagnation in Northern France, where a sheet of black, thick, and odorous smoke formed and stagnated for a few meters.
The Mayo Clinic says high heat and high humidity causes more blood flow to the skin, which in turn forces the heart to beat faster because it’s doing double its normal workload.
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.
The Köppen climate classification is the most widely used climate classification system. [2] It defines a tropical climate as a region where the mean temperature of the coldest month is greater than or equal to 18 °C (64 °F) and does not fit into the criteria for B-group climates, classifying them as an A-group (tropical climate group). [3]
Within arid fog deserts with low precipitation levels, fog drip provides the moisture needed for agricultural development. The variation in humidity throughout the day and seasons within a fog desert region encourage the development of a comparable diversity of plant types and habits such as succulents, deciduous species, and woody shrub.