Ch.1

20481536102451201100

1200

1300

1400

1500

1600

1700

t

v(t)

Windspeed

(millim

eters/second

)

1second

500 1000 1500 2000

Distance (km)- 53

- 52

- 51

- 50

- 49 Temperature oC

1σ

16.7σ

gradient

100km

40km

TheHistoricaldevelopmentofnumericalatmosphericmodelsand23/9Ddynamics

12

34

56

78

9

101112

13

0.5 1.0 1.5 2.0 2.5 3.0 3.5

0.5

1.0

1.5

2.0

Log10 (horizontal points)

Log10 (vertical levels)

23/9-D model

1

2

3

4

5

6

7

8

9

1011

12

13

0.5 1.0 1.5 2.0 2.5 3.0 3.5

0.5

1.0

1.5

2.0

Log10 (number of horizontal points)

Log10 (number of vertical levels)

10 100 1000

10

100