Slide 1 Slide 2 Three Causes: Abundant moisture in lower layers of atmosphere Mechanism to lift air, allowing condensation Unstable air mass Air Mass Thunderstorms Unequal…

Slide 1There are 3 Stages of a thunderstorm: 1)Cumulus Stage 2)Mature Stage 3)Dissipation Stage Slide 2 Cumulus Stage – air starts to rise upward creating updrafts of moisture.…

Slide 1 Slide 2 WEATHER PATTERNS Chapter 5.2- 5.3 Slide 3 A high-pressure system is a large body of circulating air with high pressure at center and lower pressure outside…

Weather Patterns Weather Patterns What are 2 types of pressure systems? What drives weather patterns? Why is it useful to understand weather patterns? What are some examples…

Lesson 2-1 A high-pressure system is a large body of circulating air with high pressure at its center and lower pressure outside of the system. Pressure Systems Lesson 2-1…

Weather Weather Patterns Chapter 5 lesson 2 Weather Pressure Systems There are 2 types of pressure systems: High-pressure system â A large body of circulating air with high…

Objectives Explain why some thunderstorms are more severe than others. Recognize the dangers of severe weather, including lightning, hail, and high winds. Describe how tornadoes…

The Nature of Storms The Nature of Storms Chapter 13 13.1 Thunderstorms At any given moment, nearly 2000 thunderstorms are occurring around the world. Conditions of Formation…

Thunderstorm Formation Thunderstorm Formation A thunderstorm forms when warm, humid air rises rapidly within a cumulonimbus cloud. 1 Thunderstorms have warm temperatures,…