Podcast
Questions and Answers
Which type of clouds does Collision Coalescence mostly apply to?
Which type of clouds does Collision Coalescence mostly apply to?
- Cumulonimbus clouds
- Warm convectional clouds in tropical areas (correct)
- Stratus clouds
- Low level clouds in temperate regions
In which type of clouds does Bergeron Findeisen theory mainly occur?
In which type of clouds does Bergeron Findeisen theory mainly occur?
- Low level clouds in mid-latitude regions
- Cumulonimbus clouds in temperate regions
- Towering cumulonimbus clouds in temperate and mid-latitude regions (correct)
- Stratus clouds in tropical areas
Why does the Bergeron Findeisen theory fail to apply to tropical areas?
Why does the Bergeron Findeisen theory fail to apply to tropical areas?
- Because the air pressure in tropical areas is too low for the process to occur
- Because the water droplets in tropical clouds are too small for the process to occur
- Because the temperature in tropical clouds is too warm for ice crystals to form
- Because there are no ice crystals in tropical clouds (correct)
Study Notes
- Collision Coalescence and Bergeron Findeisen theory explain how water droplets in clouds fall as rainfall
- Collision Coalescence occurs when small water droplets collide with larger ones and coalesce to become too heavy to stay suspended in the cloud
- The process mostly applies to warm convectional clouds in tropical areas
- Upon falling, the large droplets are ripped apart by convectional currents and air friction, disintegrating into new droplets that fall as rainfall
- Bergeron Findeisen theory occurs when supercooled water and ice crystals exist together
- Water vapour moves from high vapour pressure (supercooled water) and deposited to the ice crystals where they freeze and merge with other ice crystals
- The ice crystals become heavy and fall, melting as rainfall upon experiencing warm temperatures
- This process mainly occurs in towering cumulonimbus clouds and in temperate and mid-latitude regions
- The Bergeron Findeisen theory fails to apply to tropical areas where rain can form in low level clouds without ice crystals
- Collision Coalescence may take place on melted droplets and rain then falls to the ground.
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Description
Test your knowledge on how water droplets in clouds transform into rainfall with this quiz on Collision Coalescence and Bergeron Findeisen theory. Learn about the process of small and large droplets colliding, and how supercooled water and ice crystals interact to create rainfall. Explore the different types of clouds where these processes occur and the regions they are most prevalent in. Challenge yourself with this educational quiz and become an expert on the science of rainfall formation.
