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Meteorology

Meteorology. Meteorology is the study of atmospheric phenomena. The word meteor means “high in the air”. The atmosphere is high in the air, isn’t it?. Types of meteors (what is in the atmosphere). Hydro meteors – “ water ” that is “high in the air” Ex: Clouds that hold water

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Meteorology

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  1. Meteorology

  2. Meteorologyis the study of atmospheric phenomena. • The word meteor means “high in the air”. • The atmosphere is high in the air, isn’t it?

  3. Types of meteors(what is in the atmosphere) • Hydrometeors – “water” that is “high in the air” • Ex: Clouds that hold water • Lithometeors – “rock” that is “high in the air” • Ex: Smoke, haze, dust, and condensation nuclei • Electrometeors – “electricity” that is “high in the air” • Ex: Thunder and lightning or audible electricity

  4. Weather • Weather is the current (short-term) state of the atmosphere Ex: It is sunny today, it will rain tomorrow.

  5. Climate • Climate describes the average weather over a long (usually 30+ year)period of time

  6. Why is it colder at the poles? • When the sun hits you straight on it is concentrated and hot • Ex: At noon, or tropical locations • When the sun hits you at an angle it is cooler, since the heat is spread out over a larger area • Ex: At sunset, or polar regions

  7. Air Masses • An air mass is a large body of air that takes on the characteristics of the area over which it forms. • Air masses formed over land are usually dry • Those over oceans are usually wet • That is why they are classified according to source region.

  8. Air Mass Classification • Air masses formed over land: • continental tropical (cT) = dry and warm • continental polar (cP) = dry and cold • …formed over oceans/seas: • maritime tropical (mT)= humid and warm • maritime polar (mP) = humid and cold • …formed over the arctic: • arctic (A)

  9. Air mass modification is the exchange of heat or moisture with the surface over which an air mass travels.

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