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Heat island

Meteorology Heat IndexHeat lightning

Heat Island A dome of elevated temperatures over an urban area caused by the heat absorbed by structures and pavement.
Heat Lightning Lightning that occurs at a distance such that thunder is no longer audible.

 


Heat Island
Dome of warm polluted air which covers an urban area and in which the temperature is higher than in the surroundings. It appears as an "island" in the pattern of isotherms on a surface map.

urban heat island"(Or heat island.) Closed isotherms indicating an area of the surface that is relatively warm; most commonly associated areas of human disturbance such as towns and cities.

Urban Heat Island: The increased air temperatures in urban areas in contrast to cooler surrounding rural areas.

Urban Heat Island: Hot Town: Summer in the City
Urban Canyon Winds: Winds of the City
Mountain Weather: Weather in the Rockies
Wind-Driven Ocean Currents: Of Shoes and Ships...
Fall/Spring Lake Turnover
Sloshing The Lakes: The Seiche ...

Many Australian climates are quite warm: the additional warming of the urban heat island effect can have adverse effects on health, on energy use and even, it seems, on people's behavior.

the mean atmospheric temperature by an absolute method which is truly global and not affected by the effects of either the non-random (Euramerican-centred, land biased) global distribution of weather stations, or the effects of urban [heat island]s, ...

Country breeze A light breeze that blows into a city from the surrounding countryside. It is best observed on clear nights when the urban heat island is most pronounced.

Swirling currents of air at variance with the main current.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: AFB, AFWA, ATC, RAOB, Urban Heat Island
Also listed in ...

Country Breeze - A circulation pattern characterized by a light wind blowing into a city from the surrounding countryside. It is best developed on clear and otherwise calm nights when the urban heat island is most pronounced.

See also: Atmosphere, Temperature, Heat, Earth, Water

Meteorology Heat IndexHeat lightning

 
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