L137 model level definitions

The following is the list of a(n) and b(n) coefficients defining the model levels, accompanied by the corresponding half-level, ph, and full-level, pf, values of pressure for a surface pressure of 1013.250 hPa. Also provided are the Geopotential and Geometric heights, the temperature and density of the level based on the 1976 version of the International Civil Aviation Organization (ICAO) Standard Atmosphere as described at:

 

 

 

 

 

n a [Pa] b ph [hPa] pf [hPa] Geopotential Altitude [m] Geometric Altitude [m] Temperature [K] Density [kg/m^3]
0 0.000000 0.000000 0.000000 -   - - - -
1 2.000365 0.000000 0.0200 0.0100 79301.79 80301.65 198.05 0.000018
2 3.102241 0.000000 0.0310 0.0255 73721.58 74584.91 209.21 0.000042
3 4.666084 0.000000 0.0467 0.0388 71115.75 71918.79 214.42 0.000063
4 6.827977 0.000000 0.0683 0.0575 68618.43 69365.77 221.32 0.000090
5 9.746966 0.000000 0.0975 0.0829 66210.99 66906.53 228.06 0.000127
6 13.605424 0.000000 0.1361 0.1168 63890.03 64537.43 234.56 0.000173
7 18.608931 0.000000 0.1861 0.1611 61651.77 62254.39 240.83 0.000233
8 24.985718 0.000000 0.2499 0.2180 59492.50 60053.46 246.87 0.000308
9 32.985710 0.000000 0.3299 0.2899 57408.61 57930.78 252.71 0.000400
10 42.879242 0.000000 0.4288 0.3793 55396.62 55882.68 258.34 0.000512
11 54.955463 0.000000 0.5496 0.4892 53453.20 53905.62 263.78 0.000646
12 69.520576 0.000000 0.6952 0.6224 51575.15 51996.21 269.04 0.000806
13 86.895882 0.000000 0.8690 0.7821 49767.41 50159.36 270.65 0.001007
14 107.415741 0.000000 1.0742 0.9716 48048.70 48413.94 270.65 0.001251
15 131.425507 0.000000 1.3143 1.1942 46416.22 46756.98 269.02 0.001546
16 159.279404 0.000000 1.5928 1.4535 44881.17 45199.69 264.72 0.001913
17 191.338562 0.000000 1.9134 1.7531 43440.23 43738.55 260.68 0.002343
18 227.968948 0.000000 2.2797 2.0965 42085.00 42364.93 256.89 0.002843
19 269.539581 0.000000 2.6954 2.4875 40808.05 41071.20 253.31 0.003421
20 316.420746 0.000000 3.1642 2.9298 39602.76 39850.56 249.94 0.004084
21 368.982361 0.000000 3.6898 3.4270 38463.25 38696.94 246.75 0.004838
22 427.592499 0.000000 4.2759 3.9829 37384.22 37604.95 243.73 0.005693
23 492.616028 0.000000 4.9262 4.6010 36360.94 36569.72 240.86 0.006655
24 564.413452 0.000000 5.6441 5.2851 35389.15 35586.89 238.14 0.007731
25 643.339905 0.000000 6.4334 6.0388 34465.00 34652.52 235.55 0.008931
26 729.744141 0.000000 7.2974 6.8654 33585.02 33763.05 233.09 0.010261
27 823.967834 0.000000 8.2397 7.7686 32746.04 32915.27 230.74 0.011729
28 926.344910 0.000000 9.2634 8.7516 31945.53 32106.57 228.60 0.013337
29 1037.201172 0.000000 10.3720 9.8177 31177.59 31330.96 227.83 0.015012
30 1156.853638 0.000000 11.5685 10.9703 30438.54 30584.71 227.09 0.016829
31 1285.610352 0.000000 12.8561 12.2123 29726.69 29866.09 226.38 0.018793
32 1423.770142 0.000000 14.2377 13.5469 29040.48 29173.50 225.69 0.020910
33 1571.622925 0.000000 15.7162 14.9770 28378.46 28505.47 225.03 0.023186
34 1729.448975 0.000000 17.2945 16.5054 27739.29 27860.64 224.39 0.025624
35 1897.519287 0.000000 18.9752 18.1348 27121.74 27237.73 223.77 0.028232
36 2076.095947 0.000000 20.7610 19.8681 26524.63 26635.56 223.17 0.031013
37 2265.431641 0.000000 22.6543 21.7076 25946.90 26053.04 222.60 0.033972
38 2465.770508 0.000000 24.6577 23.6560 25387.55 25489.15 222.04 0.037115
39 2677.348145 0.000000 26.7735 25.7156 24845.63 24942.93 221.50 0.040445
40 2900.391357 0.000000 29.0039 27.8887 24320.28 24413.50 220.97 0.043967
41 3135.119385 0.000000 31.3512 30.1776 23810.67 23900.02 220.46 0.047685
42 3381.743652 0.000000 33.8174 32.5843 23316.04 23401.71 219.97 0.051604
43 3640.468262 0.000000 36.4047 35.1111 22835.68 22917.85 219.49 0.055727
44 3911.490479 0.000000 39.1149 37.7598 22368.91 22447.75 219.02 0.060059
45 4194.930664 0.000000 41.9493 40.5321 21915.16 21990.82 218.57 0.064602
46 4490.817383 0.000000 44.9082 43.4287 21473.98 21546.62 218.12 0.069359
47 4799.149414 0.000000 47.9915 46.4498 21045.00 21114.77 217.70 0.074330
48 5119.895020 0.000000 51.1990 49.5952 20627.87 20694.90 217.28 0.079516
49 5452.990723 0.000000 54.5299 52.8644 20222.24 20286.66 216.87 0.084916
50 5798.344727 0.000000 57.9834 56.2567 19827.95 19889.88 216.65 0.090458
51 6156.074219 0.000000 61.5607 59.7721 19443.55 19503.09 216.65 0.096110
52 6526.946777 0.000000 65.2695 63.4151 19068.35 19125.61 216.65 0.101968
53 6911.870605 0.000000 69.1187 67.1941 18701.27 18756.34 216.65 0.108045
54 7311.869141 0.000000 73.1187 71.1187 18341.27 18394.25 216.65 0.114355
55 7727.412109 0.000007 77.2810 75.1999 17987.41 18038.35 216.65 0.120917
56 8159.354004 0.000024 81.6182 79.4496 17638.78 17687.77 216.65 0.127751
57 8608.525391 0.000059 86.1450 83.8816 17294.53 17341.62 216.65 0.134877
58 9076.400391 0.000112 90.8774 88.5112 16953.83 16999.08 216.65 0.142321
59 9562.682617 0.000199 95.8280 93.3527 16616.09 16659.55 216.65 0.150106
60 10065.978516 0.000340 101.0047 98.4164 16281.10 16322.83 216.65 0.158248
61 10584.631836 0.000562 106.4153 103.7100 15948.85 15988.88 216.65 0.166760
62 11116.662109 0.000890 112.0681 109.2417 15619.30 15657.70 216.65 0.175655
63 11660.067383 0.001353 117.9714 115.0198 15292.44 15329.24 216.65 0.184946
64 12211.547852 0.001992 124.1337 121.0526 14968.24 15003.50 216.65 0.194646
65 12766.873047 0.002857 130.5637 127.3487 14646.68 14680.44 216.65 0.204770
66 13324.668945 0.003971 137.2703 133.9170 14327.75 14360.05 216.65 0.215331
67 13881.331055 0.005378 144.2624 140.7663 14011.41 14042.30 216.65 0.226345
68 14432.139648 0.007133 151.5493 147.9058 13697.65 13727.18 216.65 0.237825
69 14975.615234 0.009261 159.1403 155.3448 13386.45 13414.65 216.65 0.249786
70 15508.256836 0.011806 167.0450 163.0927 13077.79 13104.70 216.65 0.262244
71 16026.115234 0.014816 175.2731 171.1591 12771.64 12797.30 216.65 0.275215
72 16527.322266 0.018318 183.8344 179.5537 12467.99 12492.44 216.65 0.288713
73 17008.789063 0.022355 192.7389 188.2867 12166.81 12190.10 216.65 0.302755
74 17467.613281 0.026964 201.9969 197.3679 11868.08 11890.24 216.65 0.317357
75 17901.621094 0.032176 211.6186 206.8078 11571.79 11592.86 216.65 0.332536
76 18308.433594 0.038026 221.6146 216.6166 11277.92 11297.93 216.65 0.348308
77 18685.718750 0.044548 231.9954 226.8050 10986.70 11005.69 216.74 0.364545
78 19031.289063 0.051773 242.7719 237.3837 10696.22 10714.22 218.62 0.378253
79 19343.511719 0.059728 253.9549 248.3634 10405.61 10422.64 220.51 0.392358
80 19620.042969 0.068448 265.5556 259.7553 10114.89 10130.98 222.40 0.406868
81 19859.390625 0.077958 277.5852 271.5704 9824.08 9839.26 224.29 0.421790
82 20059.931641 0.088286 290.0548 283.8200 9533.20 9547.49 226.18 0.437130
83 20219.664063 0.099462 302.9762 296.5155 9242.26 9255.70 228.08 0.452897
84 20337.863281 0.111505 316.3607 309.6684 8951.30 8963.90 229.97 0.469097
85 20412.308594 0.124448 330.2202 323.2904 8660.32 8672.11 231.86 0.485737
86 20442.078125 0.138313 344.5663 337.3932 8369.35 8380.36 233.75 0.502825
87 20425.718750 0.153125 359.4111 351.9887 8078.41 8088.67 235.64 0.520367
88 20361.816406 0.168910 374.7666 367.0889 7787.51 7797.04 237.53 0.538370
89 20249.511719 0.185689 390.6450 382.7058 7496.68 7505.51 239.42 0.556842
90 20087.085938 0.203491 407.0583 398.8516 7205.93 7214.09 241.31 0.575790
91 19874.025391 0.222333 424.0190 415.5387 6915.29 6922.80 243.20 0.595219
92 19608.572266 0.242244 441.5395 432.7792 6624.76 6631.66 245.09 0.615138
93 19290.226563 0.263242 459.6321 450.5858 6334.38 6340.68 246.98 0.635553
94 18917.460938 0.285354 478.3096 468.9708 6044.15 6049.89 248.86 0.656471
95 18489.707031 0.308598 497.5845 487.9470 5754.10 5759.30 250.75 0.677899
96 18006.925781 0.332939 517.4198 507.5021 5464.60 5469.30 252.63 0.699815
97 17471.839844 0.358254 537.7195 527.5696 5176.77 5180.98 254.50 0.722139
98 16888.687500 0.384363 558.3430 548.0312 4892.26 4896.02 256.35 0.744735
99 16262.046875 0.411125 579.1926 568.7678 4612.58 4615.92 258.17 0.767472
100 15596.695313 0.438391 600.1668 589.6797 4338.77 4341.73 259.95 0.790242
101 14898.453125 0.466003 621.1624 610.6646 4071.80 4074.41 261.68 0.812937
102 14173.324219 0.493800 642.0764 631.6194 3812.53 3814.82 263.37 0.835453
103 13427.769531 0.521619 662.8084 652.4424 3561.70 3563.69 265.00 0.857686
104 12668.257813 0.549301 683.2620 673.0352 3319.94 3321.67 266.57 0.879541
105 11901.339844 0.576692 703.3467 693.3043 3087.75 3089.25 268.08 0.900929
106 11133.304688 0.603648 722.9795 713.1631 2865.54 2866.83 269.52 0.921768
107 10370.175781 0.630036 742.0855 732.5325 2653.58 2654.69 270.90 0.941988
108 9617.515625 0.655736 760.5996 751.3426 2452.04 2452.99 272.21 0.961527
109 8880.453125 0.680643 778.4661 769.5329 2260.99 2261.80 273.45 0.980334
110 8163.375000 0.704669 795.6396 787.0528 2080.41 2081.09 274.63 0.998368
111 7470.343750 0.727739 812.0847 803.8622 1910.19 1910.76 275.73 1.015598
112 6804.421875 0.749797 827.7756 819.9302 1750.14 1750.63 276.77 1.032005
113 6168.531250 0.770798 842.6959 835.2358 1600.04 1600.44 277.75 1.047576
114 5564.382813 0.790717 856.8376 849.7668 1459.58 1459.91 278.66 1.062310
115 4993.796875 0.809536 870.2004 863.5190 1328.43 1328.70 279.52 1.076209
116 4457.375000 0.827256 882.7910 876.4957 1206.21 1206.44 280.31 1.089286
117 3955.960938 0.843881 894.6222 888.7066 1092.54 1092.73 281.05 1.101558
118 3489.234375 0.859432 905.7116 900.1669 987.00 987.15 281.73 1.113047
119 3057.265625 0.873929 916.0815 910.8965 889.17 889.29 282.37 1.123777
120 2659.140625 0.887408 925.7571 920.9193 798.62 798.72 282.96 1.133779
121 2294.242188 0.899900 934.7666 930.2618 714.94 715.02 283.50 1.143084
122 1961.500000 0.911448 943.1399 938.9532 637.70 637.76 284.00 1.151724
123 1659.476563 0.922096 950.9082 947.0240 566.49 566.54 284.47 1.159733
124 1387.546875 0.931881 958.1037 954.5059 500.91 500.95 284.89 1.167147
125 1143.250000 0.940860 964.7584 961.4311 440.58 440.61 285.29 1.173999
126 926.507813 0.949064 970.9046 967.8315 385.14 385.16 285.65 1.180323
127 734.992188 0.956550 976.5737 973.7392 334.22 334.24 285.98 1.186154
128 568.062500 0.963352 981.7968 979.1852 287.51 287.52 286.28 1.191523
129 424.414063 0.969513 986.6036 984.2002 244.68 244.69 286.56 1.196462
130 302.476563 0.975078 991.0230 988.8133 205.44 205.44 286.81 1.201001
131 202.484375 0.980072 995.0824 993.0527 169.50 169.51 287.05 1.205168
132 122.101563 0.984542 998.8081 996.9452 136.62 136.62 287.26 1.208992
133 62.781250 0.988500 1002.2250 1000.5165 106.54 106.54 287.46 1.212498
134 22.835938 0.991984 1005.3562 1003.7906 79.04 79.04 287.64 1.215710
135 3.757813 0.995003 1008.2239 1006.7900 53.92 53.92 287.80 1.218650
136 0.000000 0.997630 1010.8487 1009.5363 30.96 30.96 287.95 1.221341
137 0.000000 1.000000 1013.2500 1012.0494 10.00 10.00 288.09 1.223803