TropicalDryCool/ModerateCold WinterPolarGEO 155 1st Edition Lecture 13Last Lecture Mid-latitudinal Cyclones and ClimateOutline of Current Lecture I. Distribution of Climate Typesa. Tropicalb. Dryc. Moderated. Colde. Polarf. Highland (H)Current LectureTropicalSomewhere close to the equator- Warm/hot all year- Zone of rising airo Migrates north (northern hemisphere summer) and migrates south (northern hemisphere winter- So close to the equator that there is no dry season – wet all year- May have two peaks of precipitation- “Tropical Wet Climate”- Winter is dry- Summer is wetDryDesert/Steppe1. Subtropical DesertsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.a. 25-30 degrees in either hemisphereb. Warm/hot all year and cool at nightc. Dry from sinking air of Hadley Cells2. Mid-latitudinal Desertsa. Created by rain-shadow (downside of a mountain)b. Warm/hot summerc. Cold winterCool/Moderate 1. Mediterranean – west coasts of the continent between 30 and 40 degreesa. Winds pass over water (conservative) – moderate temperature year roundb. Wet winterc. Dry summerd. High pressure cell at these latitudesi. Block storm systems moving toward coast, sinking air (keeps it dry in the summer); in winter, it moves a few degrees lower2. Marine West Coast – west coast greater than 40 degreesa. Moderate temperaturesb. No dry season3. Humid Subtropical Climate – more seasonal temperature variations a. Warmer summersb. Colder wintersc. Just below 30 degrees d. No dry seasone. Peak of precipitation f. Hot, humid, unstable, mT air massCold Winter1. Humid Continental – colder winter, drier2. Subarctic - more severe weather conditionsPolar- Cold/cool all year- Dry (cold air cannot hold much water
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