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Enhance/gahm converge #159

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Sep 9, 2024
Merged

Enhance/gahm converge #159

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a34fc9b
Improve gahm parameter convergence
SorooshMani-NOAA Aug 29, 2024
c2fac15
Styling
SorooshMani-NOAA Aug 29, 2024
20de300
cleaning up GAHM Vr function by adding new variables, reducing number…
WPringle Sep 3, 2024
0dc9c70
Merge branch 'main' into enhance/gahm_converge
WPringle Sep 3, 2024
1e38981
Add convergance test and new testing package dependencies
SorooshMani-NOAA Sep 4, 2024
316f458
Style fix
SorooshMani-NOAA Sep 5, 2024
d9d07aa
Fix timeout multiprocess termination
SorooshMani-NOAA Sep 5, 2024
c7262ac
implementation of true bisection method to improve GAHM convergence. …
WPringle Sep 5, 2024
ed25fd1
reording so that the output parameters are not changed after Vr_test …
WPringle Sep 6, 2024
2216379
updating advisory test files with the convergence changes
WPringle Sep 6, 2024
d3b10cf
updating besttrack test files with the convergence changes
WPringle Sep 6, 2024
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50 changes: 31 additions & 19 deletions ensembleperturbation/perturbation/atcf.py
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Original file line number Diff line number Diff line change
Expand Up @@ -762,34 +762,46 @@ def find_parameter_from_GAHM_profile(
if B is not None:
# initial guesses when trying to find Bg, phi (and new B)
Bg, phi = self.find_GAHM_parameters(B, Ro_inv)
rfo2 = 0.5 * isotach_rad * f
alpha = Rrat ** Bg
else:
# updates for when trying to find isotach_rad
isotach_rad = Rmax / Rrat
rfo2 = 0.5 * isotach_rad * f
alpha = Rrat ** Bg
alpha_lo = numpy.nan * alpha
alpha_hi = 0 * alpha + 1
beta = Vmax ** 2 * (1 + Ro_inv)
beta[Vmax < Vr] = numpy.nan # no possible solution
Vr_test = 1e6 * MaximumSustainedWindSpeed.unit
tol = 1e-2 * MaximumSustainedWindSpeed.unit
i = 0
itmax = 1000
while any(abs(Vr_test - Vr) > tol):
if B is None:
# updates for when trying to find isotach_rad
isotach_rad = Rmax / Rrat
rfo2 = 0.5 * isotach_rad * f
alpha = Rrat ** Bg
Vr_test = (
numpy.sqrt(
Vmax ** 2 * (1 + Ro_inv) * numpy.exp(phi * (1 - alpha)) * alpha + rfo2 ** 2
)
- rfo2
)
Vr_test[Vr_test < tol] = numpy.nan # no solution
# bi-section method
alpha[Rrat <= 1] *= 0.5 * (1 + (Vr / Vr_test)[Rrat <= 1] ** 2)
alpha[Rrat > 1] *= 0.5 * (1 + (Vr_test / Vr)[Rrat > 1] ** 2)
# updates to desired parameters with current alpha value
if B is not None:
# update to and Bg, phi
# update to Bg, phi
Bg = numpy.log(alpha) / numpy.log(Rrat)
phi = 1 + Ro_inv / (Bg * (1 + Ro_inv))
phi[phi < 1] = 1
else:
# update to Rrat
Rrat = numpy.exp(numpy.log(alpha) / Bg)
Rrat = alpha ** (1 / Bg)
isotach_rad = Rmax / Rrat
rfo2 = 0.5 * isotach_rad * f
# compute Vr using the current set of inputs
expf = numpy.exp(phi * (1 - alpha))
Vr_test = numpy.sqrt(beta * expf * alpha + rfo2 ** 2) - rfo2
# updates to the alphas for bi-section method
alpha_hi[Vr_test > Vr] = alpha[Vr_test > Vr]
alpha_lo[Vr_test < Vr] = alpha[Vr_test < Vr]
# guess new alpha based on error
alpha[Rrat <= 1] *= (Vr / Vr_test)[Rrat <= 1] ** 2
alpha[Rrat > 1] *= (Vr_test / Vr)[Rrat > 1] ** 2
# bi-section method to help convergence
avail = ~numpy.isnan(alpha_lo)
alpha[avail] = 0.5 * (alpha_hi[avail] + alpha_lo[avail])
i += 1
if i == itmax:
raise RuntimeError('GAHM function could not converge')
if B is not None:
return Bg * phi / ((1 + Ro_inv) * numpy.exp(phi - 1)) # B
else:
Expand Down
3 changes: 2 additions & 1 deletion pyproject.toml
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Expand Up @@ -52,6 +52,7 @@ oitnb = { version = '*', optional = true }
pytest = { version = '*', optional = true }
pytest-cov = { version = '*', optional = true }
pytest-xdist = { version = '*', optional = true }
pytest-timeout = { version = '*', optional = true }
wget = { version = '*', optional = true }
m2r2 = { version = '*', optional = true }
sphinx = { version = '*', optional = true }
Expand All @@ -61,7 +62,7 @@ sphinxcontrib-programoutput = { version = '*', optional = true }

[tool.poetry.extras]
plotting = ['cartopy', 'cmocean', 'matplotlib']
testing = ['pytest', 'pytest-cov', 'pytest-socket', 'pytest-xdist', 'wget']
testing = ['pytest', 'pytest-cov', 'pytest-socket', 'pytest-xdist', 'pytest-timeout', 'wget']
development = ['isort', 'oitnb']
documentation = ['dunamai', 'm2r2', 'sphinx', 'sphinx-rtd-theme', 'sphinxcontrib-programoutput', 'sphinxcontrib-bibtex', 'cartopy', 'cmocean', 'matplotlib']
adcirc = ['adcircpy']
Expand Down
4 changes: 2 additions & 2 deletions tests/data/reference/test_existing_advisory/vortex_4_variable_korobov_3.22
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@@ -1,12 +1,12 @@
AL, 06, 2018091218, , OFCL, 0, 305N, 719W, 108, 945, HU, 34, NEQ, 160, 132, 94, 132, 1013, 0, 14,,, ,, , 315, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 305N, 719W, 108, 945, HU, 50, NEQ, 93, 74, 56, 74, 1013, 0, 14,,, ,, , 315, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 305N, 719W, 108, 945, HU, 50, NEQ, 93, 75, 56, 75, 1013, 0, 14,,, ,, , 315, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 305N, 719W, 108, 945, HU, 64, NEQ, 55, 55, 37, 55, 1013, 0, 14,,, ,, , 315, 8, , 1
AL, 06, 2018091218, , OFCL, 3, 310N, 726W, 102, 953, HU, 34, NEQ, 155, 126, 87, 123, 1013, 0, 14,,, ,, , 315, 8, , 2
AL, 06, 2018091218, , OFCL, 3, 310N, 726W, 102, 953, HU, 50, NEQ, 89, 70, 51, 69, 1013, 0, 14,,, ,, , 315, 8, , 2
AL, 06, 2018091218, , OFCL, 3, 310N, 726W, 102, 953, HU, 64, NEQ, 52, 52, 33, 50, 1013, 0, 14,,, ,, , 315, 8, , 2
AL, 06, 2018091218, , OFCL, 12, 323N, 742W, 105, 951, HU, 34, NEQ, 137, 110, 75, 108, 1013, 0, 12,,, ,, , 313, 7, , 3
AL, 06, 2018091218, , OFCL, 12, 323N, 742W, 105, 951, HU, 50, NEQ, 77, 60, 44, 59, 1013, 0, 12,,, ,, , 313, 7, , 3
AL, 06, 2018091218, , OFCL, 12, 323N, 742W, 105, 951, HU, 64, NEQ, 44, 44, 29, 43, 1013, 0, 12,,, ,, , 313, 7, , 3
AL, 06, 2018091218, , OFCL, 12, 323N, 742W, 105, 951, HU, 64, NEQ, 44, 44, 28, 43, 1013, 0, 12,,, ,, , 313, 7, , 3
AL, 06, 2018091218, , OFCL, 24, 337N, 762W, 102, 954, HU, 34, NEQ, 114, 91, 61, 89, 1013, 0, 9,,, ,, , 310, 6, , 4
AL, 06, 2018091218, , OFCL, 24, 337N, 762W, 102, 954, HU, 50, NEQ, 62, 48, 34, 47, 1013, 0, 9,,, ,, , 310, 6, , 4
AL, 06, 2018091218, , OFCL, 24, 337N, 762W, 102, 954, HU, 64, NEQ, 34, 34, 22, 33, 1013, 0, 9,,, ,, , 310, 6, , 4
Expand Down
2 changes: 1 addition & 1 deletion tests/data/reference/test_existing_advisory/vortex_4_variable_korobov_6.22
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,6 @@ AL, 06, 2018091218, , OFCL, 48, 336N, 785W, 104, 951, HU, 34, NEQ, 169,
AL, 06, 2018091218, , OFCL, 48, 336N, 785W, 104, 951, HU, 50, NEQ, 99, 78, 57, 57, 1013, 0, 13,,, ,, , 254, 2, , 6
AL, 06, 2018091218, , OFCL, 48, 336N, 785W, 104, 951, HU, 64, NEQ, 59, 59, 38, 38, 1013, 0, 13,,, ,, , 254, 2, , 6
AL, 06, 2018091218, , OFCL, 72, 335N, 802W, 74, 982, HU, 34, NEQ, 172, 138, 64, 64, 1013, 0, 12,,, ,, , 266, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 335N, 802W, 74, 982, HU, 50, NEQ, 82, 81, 37, 37, 1013, 0, 12,,, ,, , 266, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 335N, 802W, 74, 982, HU, 50, NEQ, 82, 82, 37, 37, 1013, 0, 12,,, ,, , 266, 2, , 7
AL, 06, 2018091218, , OFCL, 96, 346N, 829W, 34, 1007, TD, 34, NEQ, 0, 0, 0, 0, 1013, 0, 10,,, ,, , 296, 3, , 8
AL, 06, 2018091218, , OFCL, 120, 364N, 850W, 24, 1010, LO, 34, NEQ, 0, 0, 0, 0, 1013, 0, 13,,, ,, , 316, 3, , 9
6 changes: 3 additions & 3 deletions tests/data/reference/test_existing_advisory/vortex_4_variable_korobov_8.22
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,13 @@ AL, 06, 2018091218, , OFCL, 12, 320N, 742W, 118, 931, HU, 64, NEQ, 86,
AL, 06, 2018091218, , OFCL, 24, 332N, 760W, 122, 925, HU, 34, NEQ, 239, 200, 147, 203, 1013, 0, 21,,, ,, , 309, 5, , 4
AL, 06, 2018091218, , OFCL, 24, 332N, 760W, 122, 925, HU, 50, NEQ, 150, 121, 93, 123, 1013, 0, 21,,, ,, , 309, 5, , 4
AL, 06, 2018091218, , OFCL, 24, 332N, 760W, 122, 925, HU, 64, NEQ, 94, 95, 64, 97, 1013, 0, 21,,, ,, , 309, 5, , 4
AL, 06, 2018091218, , OFCL, 36, 336N, 771W, 119, 930, HU, 34, NEQ, 269, 226, 168, 229, 1013, 0, 25,,, ,, , 293, 3, , 5
AL, 06, 2018091218, , OFCL, 36, 336N, 771W, 119, 930, HU, 34, NEQ, 269, 227, 168, 229, 1013, 0, 25,,, ,, , 293, 3, , 5
AL, 06, 2018091218, , OFCL, 36, 336N, 771W, 119, 930, HU, 50, NEQ, 172, 140, 108, 142, 1013, 0, 25,,, ,, , 293, 3, , 5
AL, 06, 2018091218, , OFCL, 36, 336N, 771W, 119, 930, HU, 64, NEQ, 111, 112, 76, 114, 1013, 0, 25,,, ,, , 293, 3, , 5
AL, 06, 2018091218, , OFCL, 48, 336N, 776W, 113, 937, HU, 34, NEQ, 282, 238, 179, 210, 1013, 0, 27,,, ,, , 273, 1, , 6
AL, 06, 2018091218, , OFCL, 48, 336N, 776W, 113, 937, HU, 50, NEQ, 182, 149, 116, 115, 1013, 0, 27,,, ,, , 273, 1, , 6
AL, 06, 2018091218, , OFCL, 48, 336N, 776W, 113, 937, HU, 64, NEQ, 119, 120, 82, 81, 1013, 0, 27,,, ,, , 273, 1, , 6
AL, 06, 2018091218, , OFCL, 48, 336N, 776W, 113, 937, HU, 64, NEQ, 119, 121, 82, 81, 1013, 0, 27,,, ,, , 273, 1, , 6
AL, 06, 2018091218, , OFCL, 72, 330N, 789W, 84, 972, HU, 34, NEQ, 299, 249, 129, 128, 1013, 0, 24,,, ,, , 243, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 330N, 789W, 84, 972, HU, 50, NEQ, 169, 170, 84, 83, 1013, 0, 24,,, ,, , 243, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 330N, 789W, 84, 972, HU, 50, NEQ, 169, 171, 84, 83, 1013, 0, 24,,, ,, , 243, 2, , 7
AL, 06, 2018091218, , OFCL, 96, 330N, 819W, 44, 1002, TD, 34, NEQ, 48, 44, 35, 39, 1013, 0, 26,,, ,, , 271, 3, , 8
AL, 06, 2018091218, , OFCL, 120, 344N, 843W, 34, 1006, LO, 34, NEQ, 0, 0, 0, 0, 1013, 0, 29,,, ,, , 305, 3, , 9
4 changes: 2 additions & 2 deletions tests/data/reference/test_existing_advisory/vortex_4_variable_korobov_9.22
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
AL, 06, 2018091218, , OFCL, 0, 304N, 720W, 114, 937, HU, 34, NEQ, 186, 154, 110, 154, 1013, 0, 16,,, ,, , 311, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 304N, 720W, 114, 937, HU, 34, NEQ, 186, 153, 110, 153, 1013, 0, 16,,, ,, , 311, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 304N, 720W, 114, 937, HU, 50, NEQ, 111, 89, 66, 89, 1013, 0, 16,,, ,, , 311, 8, , 1
AL, 06, 2018091218, , OFCL, 0, 304N, 720W, 114, 937, HU, 64, NEQ, 67, 67, 44, 67, 1013, 0, 16,,, ,, , 311, 8, , 1
AL, 06, 2018091218, , OFCL, 3, 309N, 726W, 112, 940, HU, 34, NEQ, 191, 157, 113, 158, 1013, 0, 16,,, ,, , 311, 8, , 2
Expand All @@ -17,6 +17,6 @@ AL, 06, 2018091218, , OFCL, 48, 331N, 782W, 120, 928, HU, 34, NEQ, 236,
AL, 06, 2018091218, , OFCL, 48, 331N, 782W, 120, 928, HU, 50, NEQ, 147, 116, 86, 86, 1013, 0, 17,,, ,, , 242, 1, , 6
AL, 06, 2018091218, , OFCL, 48, 331N, 782W, 120, 928, HU, 64, NEQ, 92, 93, 59, 58, 1013, 0, 17,,, ,, , 242, 1, , 6
AL, 06, 2018091218, , OFCL, 72, 325N, 797W, 92, 965, HU, 34, NEQ, 281, 227, 104, 103, 1013, 0, 15,,, ,, , 247, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 325N, 797W, 92, 965, HU, 50, NEQ, 156, 158, 66, 65, 1013, 0, 15,,, ,, , 247, 2, , 7
AL, 06, 2018091218, , OFCL, 72, 325N, 797W, 92, 965, HU, 50, NEQ, 155, 158, 66, 65, 1013, 0, 15,,, ,, , 247, 2, , 7
AL, 06, 2018091218, , OFCL, 96, 330N, 834W, 52, 998, TD, 34, NEQ, 37, 34, 27, 29, 1013, 0, 14,,, ,, , 280, 4, , 8
AL, 06, 2018091218, , OFCL, 120, 347N, 862W, 42, 1003, LO, 34, NEQ, 31, 27, 0, 22, 1013, 0, 17,,, ,, , 306, 4, , 9
10 changes: 5 additions & 5 deletions tests/data/reference/test_monovariate_besttrack_ensemble/vortex_1_variable_perturbation_1.22
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Expand Up @@ -32,7 +32,7 @@ AL, 06, 2018091312, , BEST, 0, 331N, 751W, 98, 950, HU, 34, NEQ, 177,
AL, 06, 2018091312, , BEST, 0, 331N, 751W, 98, 950, HU, 50, NEQ, 105, 94, 85, 84, 1011, 200, 20, 115, 0, L, 0, , 313, 5, FLORENCE, 11
AL, 06, 2018091312, , BEST, 0, 331N, 751W, 98, 950, HU, 64, NEQ, 74, 64, 54, 64, 1011, 200, 20, 115, 0, L, 0, , 313, 5, FLORENCE, 11
AL, 06, 2018091318, , BEST, 0, 336N, 760W, 93, 949, HU, 34, NEQ, 178, 157, 126, 147, 1011, 200, 20, 110, 0, L, 0, , 304, 5, FLORENCE, 12
AL, 06, 2018091318, , BEST, 0, 336N, 760W, 93, 949, HU, 50, NEQ, 106, 95, 85, 85, 1011, 200, 20, 110, 0, L, 0, , 304, 5, FLORENCE, 12
AL, 06, 2018091318, , BEST, 0, 336N, 760W, 93, 949, HU, 50, NEQ, 105, 95, 85, 85, 1011, 200, 20, 110, 0, L, 0, , 304, 5, FLORENCE, 12
AL, 06, 2018091318, , BEST, 0, 336N, 760W, 93, 949, HU, 64, NEQ, 75, 64, 54, 65, 1011, 200, 20, 110, 0, L, 0, , 304, 5, FLORENCE, 12
AL, 06, 2018091400, , BEST, 0, 340N, 765W, 93, 948, HU, 34, NEQ, 178, 157, 136, 104, 1012, 200, 20, 105, 0, L, 0, , 314, 3, FLORENCE, 13
AL, 06, 2018091400, , BEST, 0, 340N, 765W, 93, 948, HU, 50, NEQ, 105, 84, 85, 74, 1012, 200, 20, 105, 0, L, 0, , 314, 3, FLORENCE, 13
Expand Down Expand Up @@ -60,11 +60,11 @@ AL, 06, 2018091518, , BEST, 0, 336N, 798W, 53, 995, TS, 50, NEQ, 129,
AL, 06, 2018091600, , BEST, 0, 336N, 802W, 47, 997, TS, 34, NEQ, 132, 132, 163, 167, 1013, 240, 110, 50, 0, L, 0, , 270, 2, FLORENCE, 22
AL, 06, 2018091606, , BEST, 0, 336N, 808W, 42, 998, TS, 34, NEQ, 134, 135, 136, 145, 1013, 260, 110, 40, 0, L, 0, , 270, 3, FLORENCE, 23
AL, 06, 2018091612, , BEST, 0, 336N, 815W, 37, 1001, TS, 34, NEQ, 169, 154, 0, 0, 1013, 280, 140, 40, 0, L, 0, , 270, 3, FLORENCE, 24
AL, 06, 2018091618, , BEST, 0, 341N, 821W, 32, 1005, TD, 0, , 0, 0, 0, 0, 1013, 300, 140, 40, 0, L, 0, , 315, 4, FLORENCE, 25
AL, 06, 2018091700, , BEST, 0, 350N, 822W, 27, 1006, TD, 0, , 0, 0, 432, 0, 1013, 320, 150, 35, 0, L, 0, , 355, 5, FLORENCE, 26
AL, 06, 2018091618, , BEST, 0, 341N, 821W, 32, 1005, TD, 0, , 0, 0, 435, 560, 1013, 300, 140, 40, 0, L, 0, , 315, 4, FLORENCE, 25
AL, 06, 2018091700, , BEST, 0, 350N, 822W, 27, 1006, TD, 0, , 0, 0, 432, 581, 1013, 320, 150, 35, 0, L, 0, , 355, 5, FLORENCE, 26
AL, 06, 2018091706, , BEST, 0, 364N, 826W, 27, 1007, TD, 0, , 0, 0, 343, 480, 1013, 340, 160, 35, 0, L, 0, , 347, 7, FLORENCE, 27
AL, 06, 2018091712, , BEST, 0, 378N, 822W, 27, 1007, EX, 0, , 0, 0, 338, 471, 1013, 360, 160, 30, 0, L, 0, , 13, 7, FLORENCE, 28
AL, 06, 2018091718, , BEST, 0, 388N, 820W, 27, 1007, EX, 0, , 0, 0, 367, 0, 1013, 360, 160, 30, 0, L, 0, , 9, 5, FLORENCE, 29
AL, 06, 2018091712, , BEST, 0, 378N, 822W, 27, 1007, EX, 0, , 0, 0, 339, 471, 1013, 360, 160, 30, 0, L, 0, , 13, 7, FLORENCE, 28
AL, 06, 2018091718, , BEST, 0, 388N, 820W, 27, 1007, EX, 0, , 0, 0, 367, 475, 1013, 360, 160, 30, 0, L, 0, , 9, 5, FLORENCE, 29
AL, 06, 2018091800, , BEST, 0, 395N, 805W, 27, 1007, EX, 0, , 0, 0, 339, 462, 1013, 360, 160, 0, 0, , 0, , 59, 7, FLORENCE, 30
AL, 06, 2018091806, , BEST, 0, 413N, 768W, 27, 1007, EX, 0, , 0, 0, 0, 316, 1013, 360, 170, 0, 0, , 0, , 56, 17, FLORENCE, 31
AL, 06, 2018091812, , BEST, 0, 422N, 733W, 27, 1006, EX, 34, NEQ, 0, 0, 0, 0, 1013, 360, 180, 30, 0, L, 0, , 70, 14, FLORENCE, 32
8 changes: 4 additions & 4 deletions tests/data/reference/test_monovariate_besttrack_ensemble/vortex_1_variable_perturbation_2.22
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Expand Up @@ -37,7 +37,7 @@ AL, 06, 2018091318, , BEST, 0, 336N, 760W, 87, 957, HU, 64, NEQ, 65,
AL, 06, 2018091400, , BEST, 0, 340N, 765W, 87, 956, HU, 34, NEQ, 162, 143, 124, 96, 1012, 200, 20, 105, 0, L, 0, , 314, 3, FLORENCE, 13
AL, 06, 2018091400, , BEST, 0, 340N, 765W, 87, 956, HU, 50, NEQ, 95, 76, 75, 66, 1012, 200, 20, 105, 0, L, 0, , 314, 3, FLORENCE, 13
AL, 06, 2018091400, , BEST, 0, 340N, 765W, 87, 956, HU, 64, NEQ, 65, 56, 46, 47, 1012, 200, 20, 105, 0, L, 0, , 314, 3, FLORENCE, 13
AL, 06, 2018091406, , BEST, 0, 342N, 772W, 82, 956, HU, 34, NEQ, 162, 143, 123, 95, 1012, 200, 20, 100, 0, L, 0, , 289, 3, FLORENCE, 14
AL, 06, 2018091406, , BEST, 0, 342N, 772W, 82, 956, HU, 34, NEQ, 161, 143, 123, 95, 1012, 200, 20, 100, 0, L, 0, , 289, 3, FLORENCE, 14
AL, 06, 2018091406, , BEST, 0, 342N, 772W, 82, 956, HU, 50, NEQ, 94, 75, 75, 66, 1012, 200, 20, 100, 0, L, 0, , 289, 3, FLORENCE, 14
AL, 06, 2018091406, , BEST, 0, 342N, 772W, 82, 956, HU, 64, NEQ, 64, 55, 53, 46, 1012, 200, 20, 100, 0, L, 0, , 289, 3, FLORENCE, 14
AL, 06, 2018091411, 15, BEST, 0, 342N, 778W, 77, 960, HU, 34, NEQ, 161, 142, 132, 86, 1012, 200, 25, 0, 0, , 0, , 270, 3, FLORENCE, 15
Expand All @@ -58,11 +58,11 @@ AL, 06, 2018091518, , BEST, 0, 336N, 798W, 47, 999, TS, 34, NEQ, 136,
AL, 06, 2018091600, , BEST, 0, 336N, 802W, 43, 999, TS, 34, NEQ, 128, 127, 148, 152, 1013, 240, 110, 50, 0, L, 0, , 270, 2, FLORENCE, 22
AL, 06, 2018091606, , BEST, 0, 336N, 808W, 38, 1000, TS, 34, NEQ, 126, 124, 0, 0, 1013, 260, 110, 40, 0, L, 0, , 270, 3, FLORENCE, 23
AL, 06, 2018091612, , BEST, 0, 336N, 815W, 33, 1003, TS, 34, NEQ, 0, 0, 0, 0, 1013, 280, 140, 40, 0, L, 0, , 270, 3, FLORENCE, 24
AL, 06, 2018091618, , BEST, 0, 341N, 821W, 28, 1007, TD, 0, , 0, 0, 0, 0, 1013, 300, 140, 40, 0, L, 0, , 315, 4, FLORENCE, 25
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@WPringle thanks for checking, just to double check, can you explain why these values changes from 0 to some large values? Is the new approach avoiding some nan values that we previously used to get?

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@SorooshMani-NOAA Yes, the old approach didn't actually converge in some cases so would just get a 0. Now it should always converge to something if it is possible to.

AL, 06, 2018091700, , BEST, 0, 350N, 822W, 23, 1008, TD, 0, , 0, 0, 361, 0, 1013, 320, 150, 35, 0, L, 0, , 355, 5, FLORENCE, 26
AL, 06, 2018091618, , BEST, 0, 341N, 821W, 28, 1007, TD, 0, , 0, 0, 383, 486, 1013, 300, 140, 40, 0, L, 0, , 315, 4, FLORENCE, 25
AL, 06, 2018091700, , BEST, 0, 350N, 822W, 23, 1008, TD, 0, , 0, 0, 361, 476, 1013, 320, 150, 35, 0, L, 0, , 355, 5, FLORENCE, 26
AL, 06, 2018091706, , BEST, 0, 364N, 826W, 23, 1009, TD, 0, , 0, 0, 279, 383, 1013, 340, 160, 35, 0, L, 0, , 347, 7, FLORENCE, 27
AL, 06, 2018091712, , BEST, 0, 378N, 822W, 23, 1009, EX, 0, , 0, 0, 276, 376, 1013, 360, 160, 30, 0, L, 0, , 13, 7, FLORENCE, 28
AL, 06, 2018091718, , BEST, 0, 388N, 820W, 23, 1009, EX, 0, , 0, 0, 312, 0, 1013, 360, 160, 30, 0, L, 0, , 9, 5, FLORENCE, 29
AL, 06, 2018091718, , BEST, 0, 388N, 820W, 23, 1009, EX, 0, , 0, 0, 312, 397, 1013, 360, 160, 30, 0, L, 0, , 9, 5, FLORENCE, 29
AL, 06, 2018091800, , BEST, 0, 395N, 805W, 23, 1009, EX, 0, , 0, 0, 279, 373, 1013, 360, 160, 0, 0, , 0, , 59, 7, FLORENCE, 30
AL, 06, 2018091806, , BEST, 0, 413N, 768W, 23, 1007, EX, 0, , 0, 0, 0, 316, 1013, 360, 170, 0, 0, , 0, , 56, 17, FLORENCE, 31
AL, 06, 2018091812, , BEST, 0, 422N, 733W, 23, 1006, EX, 34, NEQ, 0, 0, 0, 0, 1013, 360, 180, 30, 0, L, 0, , 70, 14, FLORENCE, 32
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