ERA-40 Constant Surfaces

Constant Pressure and Isentropic Surface ERA-40 Data The ERA-40 project archived data on several different fixed level surfaces. These include data on constant pressure surfaces and Isentropic (constant potential temperature) levels.

Pressure Surfaces
1000mb 925mb 850mb 775mb 700mb

600mb 500mb 400mb 300mb 250mb

200mb 150mb 100mb 70mb 50mb

30mb 10mb 7mb 5mb 3mb

2mb 1mb

Isentropic Surfaces

265^o 275^o 285^o 300^o 315^o

330^o 350^o 370^o 395^o 430^o

475^o 530^o 600^o 700^o 850^o

1000mb	925mb	850mb	775mb	700mb
600mb	500mb	400mb	300mb	250mb
200mb	150mb	100mb	70mb	50mb
30mb	10mb	7mb	5mb	3mb
2mb	1mb

265^o	275^o	285^o	300^o	315^o
330^o	350^o	370^o	395^o	430^o
475^o	530^o	600^o	700^o	850^o