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Table 1a
Upper-air: Basic
#*&> 17 WMO standard pressure levels compatible with reanalysis products:
1000, 925, 850, 700, 600, 500, 400, 300, 250, 200, 150, 100, 70, 50,30, 20, 10 hPa

(Variable units are MKS)

PCMDI
Name

Variable

Units

Notes

±2K expts

Slab expts

Equilib.

Mean

Daily

Mean

Annual

(whole run inc. spinup)

Monthly

(Equilib.)

Daily

(2 years)

va

Northward wind 

m/s

2

Z

 

 

Z

 

va

Northward wind (850 and 200hPa)

m/s

2

 

B

 

E

F

ua

Eastward wind 

m/s

2

Z

 

 

Z

 

ua

Eastward wind (850 and 200 hPa)

m/s

2

 

B

 

E

F

wap

Vertical motion

Pa/s

2

Z

 

 

Z

 

wap

Vertical motion (500 hPa)

Pa/s

2

A

B,C

 

E

F,G

ta

Air temperature

K

2

D,L,Z

B,L

 

E,L,Z

F,L

zg

Geopotential height

M

2

Z

 

 

Z

 

hus

Specific humidity

Kg/kg

2

D,L,Z

B,L

 

E,L,Z

F,L

hur

Relative humidity

%

2

D,L,Z

B,L

 

E,L,Z

F,L

psbg

Pressure surface below ground

%

1, a

Z

 

 

Z

 

 

Table 1c
Upper-air: Physical
@On model levels or the above pressure levels

PCMDI
Name

Variable

Units

Notes

±2K expts

Slab expts

Equilib.

Mean

Daily

Mean

Annual

(whole run inc. spinup)

Monthly

(Equilib.)

Daily

(2 years)

cl

Cloud fraction

%

5

A,Z

B

 

E,Z

F

clw

Cloud liquid water

kg/kg

1, f

A,Z

B

 

E,Z

F

cli

Cloud ice

kg/kg

1, f

A,Z

B

 

E,Z

F

clc

Convective cloud fraction

%

5,t

A

B

 

E

F

clwc

Convective cloud liquid water

kg/kg

1, f,t

A

B

 

E

F

clic

Convective cloud ice

kg/kg

1, f,t

A

B

 

E

F

 

Table 2
Single-level output

PCMDI
Name

Variable

Units

Notes

±2K expts

Slab expts

Equilib.

Mean

Daily

Mean

Annual

(whole run inc. spinup)

Monthly

(Equilib.)

Daily

(2 years)

ts

Ground temperature

K

1, g

A,D,Z

B,C

J

E,H,Z

F,G

tas

Surface (2m) air temperature

K

2, h

A,D,Z

B,C

J

E,H,Z

F,G

psl

Mean-sea-level pressure

N/m2

2, i

A,Z

B,C

 

E,Z

F,G

ps

Surface pressure

N/m2

2

A,Z

B,C

 

E,Z

F,G

pr

Total precipitation rate

kg/(m2s)

1

A,Z

 

J

E,Z

 

prsn

Snowfall rate (water equivalent)

kg/(m2s)

1

Z

 

 

Z

 

prc

Convective precipitation rate

kg/(m2s)

1

Z

 

 

Z

 

prw

Precipitable water

kg/m2

1

A,D,Z

 

J

E,Z

 

mrfso

Total soil frozen water content

kg/m2

1

Z=

 

 

Z

 

mrsos

Surface soil water content (upper 0.1m)

kg/m2

1, j

Z=