NATS 101-05

Lecture 12
Curved Flow and Friction
Local winds
Supplemental References for TodayÕs Lecture
Recall: Uniform Circular Motion Requires Acceleration/Force
Flow Around Curved Contours
Forces for Curved Flow
Gradient Wind Balance
Gradient Wind Balance
Divergence and Convergence
Divergence and Convergence
Vertical Motion
Slide 11
Slide 12
Slide 13
Slide 14
Now
Add Friction near the surfaceÉ

This changes the force balance
Force of Friction 1
Force of Friction 2
Force of Friction 3
Force of Friction 4
Force of Friction 5
Flow at Surface Lows and Highs
Slide 22
Friction Induced Vertical Motion
Summary
Atmospheric Scales of Motion
Review:
Thermally Direct Circulation
Sea Breeze Development
(Courtesy of Mohan Ramamurthy, WW2010)
Sea Breeze Development
(Courtesy of Mohan Ramamurthy, WW2010)
Sea Breeze versus Land Breeze (Courtesy of Mohan Ramamurthy, WW2010)
Sea Breeze
Mountain-Valley Breeze
Phoenix-Tucson Diurnal Winds
Assignment for Next Lecture