Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color...

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Page 1: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

–60 –50 –40 –30 –20 –10 0 10 20 30 40

Temperature (°C)

Pressure (kPa)

100

90

80

70

60

50

40

30

20

0.08 0.1 .15 0.2 0.3 0.4 0.6 0.8 1.0 1.5 2 3 4 6 8 10 15 20 30 40 60

Mixing Ratio (g/kg)

Dry Adiabat θ = 150°C

130°C

90°C

70°C

50°C

110°C

Moist A

diabat θW = 50°C

0

0.51

1.5

22.5

3

4

5

6

7

8

9

10

11

12

Height(km)

EmagramCopyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Tθ θW

°C

Page 2: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

–60 –50 –40 –30 –20 –10 0 10 20 30 40

Temperature (°C)

100

90

80

70

60

50

40

30

20

Pre

ssur

e (k

Pa)

0.08 0.1 .15 0.2 0.3 0.4 0.6 0.8 1.0 1.5 2 3 4 6 8 10 15 20 25 30 40 60

Mixing Ratio (g/kg)

150°CDry Adiabat θ = 130°C

110°C

90°C

70°C

50°C

Moist Adiabat θ

W = 45°C

0

0.5

1

1.5

2

2.5

3

4

5

6

7

8

9

10

11

12 km

Hei

ght (

km)

Stüve DiagramCopyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Tθ θW

°C

Page 3: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

–50 –40 –30 –20 –10 0 10 20 30 40

Temperature (°C)

Pre

ssur

e (k

Pa)

100

90

80

70

60

50

40

30

20

–60°

C isot

herm

T

–70°

C–8

0°C

–90°

C

810

1520

2530

4050

(g/k

g)

0.1 0.15 0.2 0.3 0.4 0.6 0.8 1.0 1.5 2 3 4 6

Mixing Ratio (g/kg)

50°C

100°C Dry Adiabat θ

60°C

70°C

80°C

90°C

Moi

st A

diab

at θ

W

Hei

ght (

km)

00.5

11.5

2

2.5

3

4

5

6

7

8

9

10

11

12Tθ θW

°C

Skew-T Log-P DiagramCopyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Page 4: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

–50 –40 –30 –20 –10 0 10 20 30 40 50

Temperature (°C)

Pre

ssur

e (k

Pa)

100

90

80

70

60

50

40

30

20

15

T =

–60°

C iso

ther

m

–70°

C

–80°

C

–90°

C0.1 0.15 0.5 0.80.2 0.3 0.4 1.0 1.5 2.0 3 4 5 6 8 10 15

20g/kg

30

40

50g/kg

Mixing Ratio (g/kg)

Dry Adiabat θ = 50°C

60°C

100°C80°C

120°C 140°C

Moist A

diabat θW

0

1

2

3

4

5

6

7

8

9

10

11

12

Hei

ght (

km)

TephigramCopyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Tθ θW

°C

Page 5: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

–40 –20 0 20 40 60 80 100 120 140

Potential Temperature θ (°C)

0

2

4

6

8

10

12

14

Hei

ght

Z (

km)

Mixing Ratio (g/kg) = 0.01 0.02 0.05 0.1 0.2 0.5 1.0 2 3 7 10 15 20 305

40

50

70

100

150

200

300

500700

1000(g/kg)

–60°

C

–80°

C

–100

°C

T = –1

20°C

isoth

erm

–140

°C

Moi

st A

diab

at θ

W =

20°

C

30

40

50

60

70

80

90

100

Pressure

(kPa)

P = 20 kPa

Tθ θW

°C

Theta - Z DiagramCopyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Page 6: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

105

100

95

90

85

80

75

70

Pre

ssur

e (k

Pa)

–20 –10 0 10 20 30 40

Temperature (°C)

T =

–25°

C is

othe

rm

40 g

/kg

20 25 30

0.6

g/kg

iso

hum

e

0.8

g/kg

1.0

g/kg

1.5 2 3 4 5 6 8 10 15

Mixing ratio (g/kg)

θ = 45°C dry adiabat

θ = 50°Cθ W =

35°

C m

oist

adi

abat

0

0.5

1

1.5

2

2.5

3

Hei

ght (

km)

Tθ θW

°C

Skew-T Log-P Diagram (ABL)Copyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)

Page 7: Mixing Ratio (g/kg) Emagram - University of British … PrMet Thermo Diagrams - All v9.1 color Author: Roland Stull Created Date: 9/20/2015 4:09:23 PM

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6 km

2.8 km

Z = 3.0 km

Height Z

(km)

–10 –5 0 5 10 15 20 25 30 35 40 45 50

Potential Temperature θ (°C)

Dry

Adi

abat

θ =

–5°

C

30 g

/kg

50 g

/kg

40 g

/kg

70 g

/kg

0.5 0.7 1.0 1.5 2 3 4 5 7 10 15 20Mixing Ratio (g/kg)

T =

–15°

C is

othe

rm

–20°

C

–25°

C–3

0°C

Moi

st A

diab

at θ

W =

–10

°C

70 kPa

80

90

100

Pressure(kPa)

Tθ θW

°C

Theta - Z Diagram (ABL)Copyright © 2015 by Roland Stull.Free copies of this page permitted, from “Practical Meteorology: An Algebra-based Survey of Atmos. Sci.”, via Creative Commons CC-BY-NC-SA/4.0International License.• State lines are thin.• Process lines arethick, and are labeledwith temperature wherethey cross P = 100 kPa.(θW = wet-bulb potential temp.)