azimuthal average
JEFFREY S GALL
jsg229 at PSU.EDU
Fri Apr 29 12:23:42 EDT 2005
To whom it may concern:
I am doing hurricane simulations using the MM5 model. I have created the
necessary .ctl file, but I am interested in taking the azimuthal average of a
3D variable. I want to take the azimuthal average and then contour say, for
example, temperature on a height-radius plot, where a radius of r=0 is the
center of the hurricane. The center of the storm does not need to be exact, by
this I mean the center can be determined subjectively by the user. Any help in
solving this problem would be greatly appreciated.
Thanks,
--Jeff
Here is a copy of my .ctl file:
dset
/freja/s1/gall/Ideal/OUTPUT/Exchange_Coefficients/garrat-msf/coeff_control_01.dat
byteswapped
title MM5 data
undef -9999.
xdef 360 linear -61.6635 0.0540
ydef 360 levels
6.786901
6.840488
6.894069
6.947643
7.001212
7.054774
7.108330
7.161880
7.215423
7.268960
7.322491
7.376016
7.429533
7.483045
7.536550
7.590048
7.643540
7.697025
7.750503
7.803974
7.857439
7.910896
7.964347
8.017791
8.071227
8.124657
8.178080
8.231495
8.284904
8.338305
8.391698
8.445084
8.498463
8.551834
8.605198
8.658555
8.711904
8.765245
8.818579
8.871904
8.925222
8.978533
9.031836
9.085131
9.138417
9.191696
9.244967
9.298230
9.351484
9.404731
9.457970
9.511199
9.564421
9.617635
9.670839
9.724036
9.777225
9.830404
9.883575
9.936738
9.989891
10.04304
10.09617
10.14930
10.20242
10.25553
10.30863
10.36172
10.41481
10.46788
10.52095
10.57400
10.62705
10.68009
10.73311
10.78613
10.83914
10.89214
10.94513
10.99811
11.05109
11.10405
11.15700
11.20994
11.26288
11.31580
11.36871
11.42162
11.47451
11.52740
11.58027
11.63314
11.68599
11.73883
11.79167
11.84449
11.89731
11.95011
12.00290
12.05568
12.10846
12.16122
12.21397
12.26671
12.31944
12.37216
12.42487
12.47757
12.53026
12.58293
12.63560
12.68825
12.74090
12.79353
12.84616
12.89877
12.95137
13.00396
13.05653
13.10910
13.16166
13.21420
13.26673
13.31926
13.37177
13.42427
13.47675
13.52923
13.58169
13.63415
13.68659
13.73902
13.79143
13.84384
13.89623
13.94862
14.00099
14.05335
14.10569
14.15803
14.21035
14.26266
14.31496
14.36724
14.41952
14.47178
14.52403
14.57627
14.62849
14.68070
14.73290
14.78509
14.83726
14.88943
14.94158
14.99371
15.04584
15.09795
15.15005
15.20213
15.25420
15.30626
15.35831
15.41035
15.46237
15.51437
15.56637
15.61835
15.67032
15.72227
15.77422
15.82615
15.87806
15.92996
15.98185
16.03373
16.08559
16.13744
16.18927
16.24109
16.29290
16.34469
16.39647
16.44824
16.49999
16.55173
16.60345
16.65516
16.70686
16.75854
16.81021
16.86187
16.91351
16.96513
17.01674
17.06834
17.11993
17.17150
17.22305
17.27459
17.32612
17.37763
17.42913
17.48061
17.53208
17.58353
17.63497
17.68640
17.73780
17.78920
17.84058
17.89194
17.94329
17.99463
18.04595
18.09726
18.14855
18.19982
18.25108
18.30233
18.35356
18.40477
18.45597
18.50716
18.55833
18.60948
18.66062
18.71174
18.76285
18.81394
18.86502
18.91608
18.96712
19.01815
19.06917
19.12017
19.17115
19.22212
19.27307
19.32400
19.37492
19.42583
19.47671
19.52758
19.57844
19.62928
19.68010
19.73091
19.78170
19.83248
19.88323
19.93398
19.98470
20.03541
20.08611
20.13678
20.18744
20.23809
20.28872
20.33933
20.38992
20.44050
20.49106
20.54161
20.59213
20.64264
20.69314
20.74362
20.79408
20.84452
20.89495
20.94536
20.99575
21.04613
21.09649
21.14683
21.19715
21.24746
21.29775
21.34803
21.39828
21.44852
21.49874
21.54895
21.59914
21.64931
21.69946
21.74959
21.79971
21.84981
21.89989
21.94995
22.00000
22.05003
22.10004
22.15004
22.20001
22.24997
22.29991
22.34983
22.39974
22.44963
22.49949
22.54935
22.59918
22.64899
22.69879
22.74857
22.79833
22.84807
22.89780
22.94750
22.99719
23.04686
23.09651
23.14614
23.19576
23.24535
23.29493
23.34449
23.39403
23.44355
23.49306
23.54254
23.59201
23.64146
23.69089
23.74030
23.78969
23.83906
23.88841
23.93775
23.98707
24.03636
24.08564
24.13490
24.18414
24.23336
24.28257
24.33175
24.38091
24.43006
24.47919
24.52829
24.57738
24.62645
24.67550
24.72453
24.77354
24.82253
24.87150
24.92046
24.96939
25.01830
25.06720
25.11607
25.16493
25.21376
25.26258
25.31138
zdef 30 levels
0.99500
0.98500
0.97500
0.96500
0.95000
0.93000
0.91000
0.88500
0.85500
0.82500
0.79000
0.75000
0.71000
0.67000
0.63000
0.59000
0.55000
0.51000
0.47000
0.42500
0.37500
0.32500
0.27500
0.22500
0.18000
0.14000
0.10500
0.07500
0.04500
0.01500
tdef 9 linear 03:00Z14SEP1999 180MN
vars 15
c_d_gall 0 99 drag coeff.
c_h_gall 0 99 sens. coeff.
c_e_gall 0 99 lat. coeff.
rc 0 99 accum conv pcn (cm)
rn 0 99 accum non-c pcn (cm)
shf 0 99 sen heat flux (W/m2)
lhf 0 99 lat heat flux (W/m2)
sst 0 99 sea sfc temp
pslv 0 99 sea level prs (mb)
u 30 99 u wind (m/s)
v 30 99 v wind (m/s)
t 30 99 temperature (C)
q 30 99 mixing ratio (kg/kg)
rh 30 99 rel humidity (%)
the 30 99 theta-e (K)
endvars
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