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  2. Trough (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Trough_(meteorology)

    The trough will become neutral (North-South) and then negatively tilted as the energy carried by the cold air races east through the atmospheric circulation and distorts its shape. [8] The positive tilt is thus the building phase of the trough and the negative tilt is the dissipation of its energy.

  3. Continental Divide of the Americas - Wikipedia

    en.wikipedia.org/wiki/Continental_Divide_of_the...

    The Continental Divide in North America in red and other drainage divides in North America The Continental Divide in Central America and South America. The Continental Divide of the Americas (also known as the Great Divide, the Western Divide or simply the Continental Divide; Spanish: Divisoria continental de las Américas, Gran Divisoria) is the principal, and largely mountainous ...

  4. Drainage divide - Wikipedia

    en.wikipedia.org/wiki/Drainage_divide

    USGS map of Schuylkill-Lehigh River drainage divides A minor drainage divide south of Buckeye, Arizona. Both branches flow to the Gila River. Drainage divides can be divided into three types: [5] Continental divides in which waters on each side flow to different oceans, such as the Continental Divide of the Americas and the Congo-Nile Divide. [6]

  5. Boundaries between the continents - Wikipedia

    en.wikipedia.org/wiki/Boundaries_between_the...

    The border between North America and South America is at some point on the Darién Mountains watershed that divides along the Colombia–Panama border where the isthmus meets the South American continent (see Darién Gap). Virtually all atlases list Panama as a state falling entirely within North America and/or Central America. [116] [117]

  6. Cold-air damming - Wikipedia

    en.wikipedia.org/wiki/Cold-air_damming

    Cold air damming, or CAD, is a meteorological phenomenon that involves a high-pressure system (anticyclone) accelerating equatorward east of a north-south oriented mountain range due to the formation of a barrier jet behind a cold front associated with the poleward portion of a split upper level trough. Initially, a high-pressure system moves ...

  7. Eastern Continental Divide - Wikipedia

    en.wikipedia.org/wiki/Eastern_Continental_Divide

    The divide nearly spans the United States from south of Lake Ontario through the Florida peninsula, and consists of raised terrain including the Appalachian Mountains to the north, the southern Piedmont Plateau and lowland ridges in the Atlantic Coastal Plain to the south. Water including rainfall and snowfall, lakes, streams and rivers on the ...

  8. File:Physical Features of North America map by Tom Patterson ...

    en.wikipedia.org/wiki/File:Physical_Features_of...

    I am very grateful to the many people on Twitter who commented on a draft of the map. I hope that you enjoy using the map as much as I did making it." Description on map: "Starting with the lowest area, Blue Earth Bathymetry depicts the ocean floor. Land colors are a mix of Natural Earth 2 and Copernicus Land Cover.

  9. Americas - Wikipedia

    en.wikipedia.org/wiki/Americas

    The Americas, sometimes collectively called America, [3] [4] [5] known initially as India Nova, [6] are a landmass comprising the totality of North America and South America. [ 6 ] [ 7 ] [ 8 ] When viewed as a single continent, the Americas or America is the 2nd largest continent right after Asia, and is the 3rd largest continent by population.