UNC-Chapel Hill GEOG 111 - Exam 1 Study Guide (9 pages)

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Exam 1 Study Guide

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Exam 1 Study Guide


Introduction to weather forecasts, solar/terrestrial radiation, earth-sun geometry, energy transfer, the Greenhouse Effect, climate change

Study Guide
University of North Carolina at Chapel Hill
Geog 111 - Weather and Climate
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GEOG 111 1st Edition Exam 1 Study Guide Lectures 1 10 Each test will consist of 40 multiple choice questions that are drawn from the lecture material weather quizzes and in class weather discussions These questions will be answered on a scantron sheet which can be obtained from the bookstore from Geography 111 syllabus Lecture 1 August 22 Lecture 2 August 25 Introduction to weather forecasts Types of Forecasts o Quantitative forecast a value for the forecast variable is provided i e an inch of rain is expected o Qualitative forecast provided only categorical value for the predicted variable i e rain or no rain o Probability forecast the chance of some event is stated 3 resources in making forecast o Weather models computers that use physics to simulate atmospheric conditions of the future o Climatology tell what conditions you would normally expect Usually a good starting point for weather forecasters and may indicate that a weather model needs to be tuned o Forecaster knowledge something to keep in mind when reading forecasts Pattern recognition experienced forecasters in an area can recognize patterns and question models Elements of a forecast o Low high temperature o Heat index what it actually feels like outside includes humidity o Precipitation probability of measureable precipitation o Wind speed pertains to open landscapes o Wind direction the direction winds are blowing from Important in air travel and hurricane prediction Forecasting skill o Accuracy depends on Proximity to forecasting location Size of the region How well the forecaster knows the climatology and recognizes its patterns o Weather models accuracy decrease with time Should be trusted 3 5 days into the future but after that it s better to rely on climatology Lecture 2 August 25 Lecture 3 August 27 Solar and Terrestrial Radiation Radiation comes in many forms through the electromagnetic spectrum o Discriminated on the basis of wave length gamma xrays UV visible light infrared radiation

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