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Home > Products > Data Services > Technical information > Model Levels > 40 >  
   

40 model level definitions


 

 
  The following is the list of a(N) and b(N) accompanied with half level, ph, and full level, pf, corresponding values of pressure for a surface pressure of PS[hPa]= 1013.250.

 NLEV=40     PS[hPa]=1013.250

    N               a                b              ph[hPa]         pf[hPa]
     0           0.000000      0.0000000000          0.0000   
1 2000.000000 0.0000000000 20.0000 10.0000
2 4000.000000 0.0000000000 40.0000 30.0000
3 6000.000000 0.0000000000 60.0000 50.0000
4 8000.000000 0.0000000000 80.0000 70.0000
5 9988.882813 0.0001971156 100.0886 90.0443
6 11914.523438 0.0015112918 120.6766 110.3826
7 13722.941406 0.0048841573 142.1783 131.4274
8 15369.730469 0.0110761747 164.9202 153.5493
9 16819.476563 0.0206778906 189.1466 177.0334
10 18045.183594 0.0341211632 215.0251 202.0859
11 19027.695313 0.0516904071 242.6523 228.8387
12 19755.109375 0.0735338330 272.0593 257.3558
13 20222.207031 0.0996747017 303.2175 287.6384
14 20429.863281 0.1300225258 336.0440 319.6307
15 20384.480469 0.1643843055 370.4072 353.2256
16 20097.402344 0.2024759650 406.1328 388.2700
17 19584.328125 0.2439331412 443.0085 424.5707
18 18864.750000 0.2883229256 480.7907 461.8996
19 17961.359375 0.3351548910 519.2093 500.0000
20 16899.468750 0.3838921785 557.9734 538.5914
21 15706.449219 0.4339629412 596.7774 577.3754
22 14411.125000 0.4847716093 635.3061 616.0418
23 13043.218750 0.5357099175 673.2403 654.2732
24 11632.757813 0.5861684084 710.2627 691.7515
25 10209.500000 0.6355474591 746.0635 728.1631
26 8802.355469 0.6832686067 780.3455 763.2045
27 7438.804688 0.7287858129 812.8303 796.5879
28 6144.316406 0.7715966105 843.2634 828.0469
29 4941.777344 0.8112534285 871.4203 857.3419
30 3850.913330 0.8473749161 897.1118 884.2660
31 2887.696533 0.8796569109 920.1893 908.6505
32 2063.779785 0.9078838825 940.5511 930.3702
33 1385.912598 0.9319403172 958.1477 949.3494
34 855.361816 0.9518215060 972.9868 965.5672
35 467.333496 0.9676452279 985.1399 979.0633
36 210.393890 0.9796627164 994.7472 989.9435
37 65.889236 0.9882701039 1002.0236 998.3854
38 7.367743 0.9940194488 1007.2639 1004.6437
39 0.000000 0.9976301193 1010.8487 1009.0563
40 0.000000 1.0000000000 1013.2500 1012.0494

A description of how model levels should be interpreted is available here.


 

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