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

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Final Exam Study Guide



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Final Exam Study Guide

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Following the format of Dr. Konrad's "Topics Covered on the Final Exam 2014" document, this study guide gives a comprehensive overview of GEOG 111 material.


Pages:
9
Type:
Study Guide
School:
University of North Carolina at Chapel Hill
Course:
Geog 111 - Weather and Climate
Edition:
1
Documents in this Packet

Unformatted text preview:

GEOG 111 1st Edition Final Exam Study Guide Weather forecasting Forecast 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 Forecast specificity 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 Water in the Atmosphere Phase changes of water o Phase changes of water Melting evaporation sublimation is a cooling process absorbs heat and creating latent energy Condensation freezing deposition latent heat released o Effects examples Melting cools snow melt inhibits temperature rises warming not observed in Arctic until snow has melted around July Freezing warming latent heat going back to sensible energy surface temperature hangs at 32 until all of the water has frozen and then the temperature continues to drop Evaporation cooling cooling when it starts to rain falling through an atmosphere that s not saturated Condensation warming convection lifting adds buoyancy to updrafts in thunderstorm or hurricane Nocturnal temperature drop decreases stops when dew forms Sublimation cooling cooling when it starts to snow Deposition warming ice fogs which are common in high latitudes contrails Sensible and latent heating Relative humidity and dew point temperature o Relative humidity vapor pressure saturation vapor pressure 100 Can range from close to 0 to 100 Desert environments are very far from being saturated In contrast once VP SVP



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