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  2. Air mass - Wikipedia

    en.wikipedia.org/wiki/Air_mass

    Superior air masses are dry, and rarely reach the ground. They normally reside over maritime tropical air masses, forming a warmer and drier layer over the more moderate moist air mass below, forming what is known as a trade wind inversion over the maritime tropical air mass. Continental Polar air masses (cP) are air masses that are cold and ...

  3. Spatial Synoptic Classification system - Wikipedia

    en.wikipedia.org/wiki/Spatial_Synoptic...

    Based upon the Bergeron air mass classification scheme is the Spatial Synoptic Classification system, or SSC.There are six categories within the SSC scheme: Dry Polar (similar to continental polar), Dry Moderate (similar to maritime superior), Dry Tropical (similar to continental tropical), Moist Polar (similar to maritime polar), Moist Moderate (a hybrid between maritime polar and maritime ...

  4. Climate classification - Wikipedia

    en.wikipedia.org/wiki/Climate_classification

    The first letter describes its moisture properties, with c used for continental air masses (dry) and m for maritime air masses (moist). The second letter describes the thermal characteristic of its source region: T for tropical , P for polar , A for Arctic or Antarctic, M for monsoon , E for equatorial , and S for superior air (dry air formed ...

  5. Trade winds - Wikipedia

    en.wikipedia.org/wiki/Trade_winds

    This warm, dry air is known as a superior air mass and normally resides above a maritime tropical (warm and moist) air mass. An increase of temperature with height is known as a temperature inversion. When it occurs within a trade wind regime, it is known as a trade wind inversion. [12] The surface air that flows from these subtropical high ...

  6. Oceanic climate - Wikipedia

    en.wikipedia.org/wiki/Oceanic_climate

    Regions where oceanic or subtropical highland climates (Cfb, Cfc, Cwb, Cwc) are found. An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as Cfb, typical of west coasts in higher middle latitudes of continents, generally featuring cool to warm summers and cool to mild winters (for their latitude), with ...

  7. High-pressure area - Wikipedia

    en.wikipedia.org/wiki/High-pressure_area

    Once arctic air moves over an unfrozen ocean, the air mass modifies greatly over the warmer water and takes on the character of a maritime air mass, which reduces the strength of the high-pressure system. [17] When extremely cold air moves over relatively warm oceans, polar lows can develop. [18]

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  9. Weather front - Wikipedia

    en.wikipedia.org/wiki/Weather_front

    The Bergeron classification is the most widely accepted form of air mass classification. Air mass classifications are indicated by three letters: [3] [4] Fronts separate air masses of different types or origins, and are located along troughs of lower pressure. [5] The first letter describes its moisture properties, with c used for c ontinental ...