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Understanding Santa Ana Winds

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Questions and Answers

What geographical features are responsible for the formation of Santa Ana winds?

The Great Basin and the Mojave Desert

The Rocky Mountains and the Sierra Nevada (correct)

The Great Plains and the Atlantic Ocean

The Pacific Ocean and the Colorado River

Why do the Santa Ana winds gain speed as they move toward California?

As they flow from high to low pressure (correct)

Due to the flat terrain in California

Because of high humidity in California

As they flow from low to high pressure

What causes the air associated with Santa Ana winds to warm up as it descends downslope?

Compression due to downslope movement (correct)

Adiabatic cooling near mountains

Convection caused by humidity

Expansion due to low pressure

Why does the humidity of the air decrease significantly during Santa Ana wind events?

As a result of compression during descent Signup and view all the answers

Which other region experiences similar weather events to the Santa Ana winds?

U.S. Rockies as chinooks Signup and view all the answers

What is a characteristic of the air associated with Santa Ana winds in terms of humidity?

Low humidity below 20% Signup and view all the answers

What is one of the reasons why the Santa Ana winds are named as such?

Based on the Santa Ana Mountains and Canyon in Southern California Signup and view all the answers

What causes the Santa Ana winds to gain speed as they move towards California?

The compression of air as it descends downslope Signup and view all the answers

Why are the Santa Ana winds often considered swift?

As they move from high to low pressure areas Signup and view all the answers

What causes the humidity values associated with the Santa Ana winds to plummet?

The compression of air as it descends downslope Signup and view all the answers

What distinguishes the Santa Ana winds from other types of winds like chinooks and foehn winds?

Their swift nature and dryness Signup and view all the answers

What is one result of the airflow caused by neighboring differences in pressure during a Santa Ana event?

Wind speeds upwards of 30 mph and gusts of more than twice this speed Signup and view all the answers