1.Air Masses (Summary)2. Characteristics of Air Masses 3. Air Masses Summary• An air mass is a large body of air, 1000 miles(1600 km) thick.• Characterized by homogenous…

1.Starter: #32(Connecting the dots…) What energy source drives the Earth’s weather cycle? Which type of air mass CAN carry more energy and moisture? What layer of the…

1.Ch. 20:Weather Patterns & Severe Storms Earth-Space Science Bremen High School Teacher : Aaron McNeely Arizona monsoon storm from Kitt Peak Observatory2. Air Masses…

1. Prentice Hall EARTH SCIENCE Tarbuck Lutgens 2. Chapter 20 Weather Patternsand Severe Storms 3. 20.1 Air Masses Air Masses •Anair massis an immense body of air…

Slide 1 Outline Further Reading: Chapter 11 of the text book - boreal forest regimes - tundra regimes Natural Environments: The Atmosphere GE 101 – Spring 2007 Boston University…

Slide 1 20 Chapter 20 Weather Patterns and Severe Storms Slide 2 Air Masses and Weather 20.1 Air Masses  Air Masses An air mass is an immense body of air that is characterized…

Weather Topic One Air Masses and Weather Scientists classify an air mass based on whether it originates in an arctic, in a polar, or in a tropical region and whether it forms…

Air masses An air mass is a relatively homogenous large mass of air in terms of temperature and moisture characteristics. Four air masses commonly affect our region: cP:…

Weather Topic One Air Masses and Weather Scientists classify an air mass based on whether it originates in an arctic, in a polar, or in a tropical region and whether it forms…

Ch 20 Severe Weather Ch 20 Severe Weather Storms and severe weather begin with WARM air rising. This LOW pressure and is considered UNSTABLE . Cumulonimbus storm clouds Thunderstorms-…