What if the government shutdown forced the closing of the water cycle? A thought experiment Douglas Miller – UNC Asheville

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Presentation transcript:

What if the government shutdown forced the closing of the water cycle? A thought experiment Douglas Miller – UNC Asheville

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

What is a thought experiment?

Our thought experiment Government shutdown  shutdown of water vapor-making processes

Stepped Art Fig. 2-3, p. 30

Our thought experiment Government shutdown  shutdown of water vapor-making processes Not allowed… liquid  vapor ice  vapor evaporation (or transpiration) sublimation X

Our thought experiment Government shutdown  shutdown of water vapor-making processes X X

Our thought experiment Within one week, water vapor would reach a minimum value no more cloud production  no more precipitation X X

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

Impact of water vapor source shutdown on global circulation

X reduced increased

Impact of water vapor source shutdown on global circulation X X reduced increased

Impact of water vapor source shutdown on global circulation

Would the global circulation still happen? Yes, likely weaker

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

Impact of water vapor source shutdown on synoptic scale weather

Would the synoptic scale weather still happen? Yes, likely weaker

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

Impact of water vapor source shutdown on hurricanes

Impact of water vapor source shutdown on hurricanes

Ivan, Sept Would hurricanes still happen? No!!!

Outline What is a thought experiment? Impact of water vapor source shutdown Global circulation Synoptic scale weather Hurricanes Tornadoes

Impact of water vapor source shutdown on tornadoes

Impact of water vapor source shutdown on tornadoes

Would tornadoes still happen? No!!!

The end of our thought experiment

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