Lutgens & Tarbuck Power Point by Michael C. LoPresto Chapter 3 Temperature The Atmosphere 10e Lutgens & Tarbuck Power Point by Michael C. LoPresto
Mount Washington “The Home of the World’s Worst Weather”
Air Temperature Data Daily Mean Daily Range Monthly Mean Annual Mean Annual Range
Isotherms
Hawaii’s Highest Recorded Temperature Is 38° C
Heat Waves- Deadly Events Average-Annual Weather-Related Fatalities 1994-2003
Controls of Temperature Land and Water
81% of the Southern Hemisphere Is Covered by Oceans: 20% More than the Northern Hemisphere… …Annual Temperature Ranges in the Southern Hemisphere Are Less
Controls of Temperature Ocean Currents
Major Surface Ocean Currents
Rio de Janeiro is warmed by the Brazilian Current and Arica is cooled by the Peruvian Current
Controls of Temperature Altitude
Quito Is at a High Altitude and Is Cold Guayaquil Is at a Low Altitude and Is Warm
Windward and Leeward Coasts Controls of Temperature Windward and Leeward Coasts
Geographic Position Relative to Mountains Temperature Controls Geographic Position Relative to Mountains
Temperature Controls Cloud Cover Clouds reflect incoming radiation… …and trap outgoing radiation… Cloud Cover
…overcast days have lower highs and higher lows
similar all year-round Cloud Cover during the summer rainy-season keeps temperatures in Myanmar similar all year-round
Temperature Controls Sun angles vary with latitude Latitude
World Mean Temperatures
World Mean Temperatures
Global Annual Temperature Ranges
Daily March of Temperatures
…Winter Frost … or Summer Fog Minimum daily temperature occurs near sunrise, causing early morning… …Winter Frost … or Summer Fog
Daily Cycles of Incoming Solar Radiation and Temperature
Measuring Temperature Maximum Thermometer Minimum Thermometer Liquid-in-glass Thermometer
The Urban Heat-Island
Thermograph
Instrument Shelters Modern Shelter Traditional Shelter
Temperature Scales
Growing Degree-Days
Wind-Chill Factor
Chapter 3 END