Lecture 10: Atmospheric Pressure Cells and Global Wind Patterns
I. Global Cloud and Rainfall Distributions
A. high precipitation and cloud cover at equator
B. rising humid air (low pressure)
II. Distribution of Atmospheric Pressure Cells (consider identifying the location
Of these cells on Fig 9-11 in your book)
A. Location of low pressure cells
B. Location of high pressure cells
C. Isobars
D. Seasonal Changes in Atmospheric Pressure Cells
III. Monsoons (see figure 9-15)
A. Definition
B. Summer (N. Hemisphere)
C. Winter (S. Hemisphere)
IV. Winds
A. Forces that influence winds
B. Upper Atmosphere winds
This site may be helpful:
(http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/geos.rxml)
C. Lower atmosphere winds
D. Low and High Pressure Cells
1. High Pressure Cells: Anticyclones
Upper Air Anticyclone,
No Friction
1005 mb
1000 mb
P
CF
H
1010
mb
Anticyclone at Surface
2. Low Pressure Cells: Cyclones
Upper Air Cyclone:
No Friction
1005 mb
1010 mb
CF
P
L
1000
mb
V. Pressure Cells and Weather (see fig. 9-21)
VI. Pressure Cells and Climate
A. Hawaii
B. California
Cyclone at Surface