====================================================================== Self-Consistency Calibration Test ====================================================================== Run date/time: 2026-06-04 09:59:03 Input Parameters ---------------------------------------------------------------------- Site: NPOL SC equation: WFF Equation parameters: a=2.056e-05, b=0.99279, c=-0.37225 Azimuth range: 170.0-240.0 deg Range: 20.0-80.0 km ZDR bias (subtracted): 0.0 dB dBZ range: 30.0-48.0 Sweep: 1 Input directory: /gv_raid/py_code/pySC/Default_QC/cf/2024/0421 Input Files ---------------------------------------------------------------------- NPOL1_2024_0421_203601.cf NPOL1_2024_0421_204802.cf NPOL1_2024_0421_210002.cf NPOL1_2024_0421_211203.cf NPOL1_2024_0421_212402.cf Total data points collected: 131248 ====================================================================== Iterative Self-Consistency Calibration ====================================================================== ====================================================================== Iteration 0 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 426.97 213.98 9950 31 430.14 248.20 9392 32 435.55 283.08 8731 33 438.82 318.84 7943 34 414.10 344.46 6915 35 394.25 360.08 5787 36 341.86 403.46 5173 37 317.10 422.83 4274 38 232.05 434.10 3444 39 236.36 482.65 3014 40 186.49 501.78 2430 41 144.63 533.83 2018 42 113.95 535.35 1604 43 103.81 538.57 1266 44 57.06 486.34 912 45 46.60 429.62 681 46 39.26 356.33 446 47 18.61 255.83 252 48 18.01 181.88 145 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.04 0.02 9950 9950 0.134 1.06 31.0 0.05 0.03 9392 19342 0.260 1.12 32.0 0.05 0.03 8731 28073 0.377 1.19 33.0 0.06 0.04 7943 36016 0.484 1.24 34.0 0.06 0.05 6915 42931 0.577 1.28 35.0 0.07 0.06 5787 48718 0.655 1.30 36.0 0.07 0.08 5173 53891 0.725 1.31 37.0 0.07 0.10 4274 58165 0.782 1.28 38.0 0.07 0.13 3444 61609 0.828 1.23 39.0 0.08 0.16 3014 64623 0.869 1.19 40.0 0.08 0.21 2430 67053 0.902 1.12 41.0 0.07 0.26 2018 69071 0.929 1.06 42.0 0.07 0.33 1604 70675 0.950 1.05 43.0 0.08 0.43 1266 71941 0.967 1.01 44.0 0.06 0.53 912 72853 0.980 1.01 45.0 0.07 0.63 681 73534 0.989 1.19 46.0 0.09 0.80 446 73980 0.995 1.15 47.0 0.07 1.02 252 74232 0.998 1.13 48.0 0.12 1.25 145 74377 1.000 1.18 I1 (integrated measured Kdp) = 4395.61 deg/km I2 (integrated consistency Kdp) = 7331.21 deg/km Iterative Z bias (this pass) = 2.22 dB Total Z bias (cumulative) = 2.22 dB |zbias| = 2.22 dB > 0.1 dB - continuing iteration ====================================================================== Iteration 1 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 429.41 174.58 8504 31 432.91 196.32 7726 32 415.00 209.61 6654 33 389.68 224.11 5685 34 318.59 240.70 4868 35 309.65 257.98 4109 36 213.20 269.63 3356 37 242.21 293.23 2864 38 161.98 306.95 2330 39 144.20 320.68 1917 40 110.58 325.44 1522 41 95.34 318.49 1189 42 52.14 283.91 845 43 46.16 249.58 624 44 30.52 196.93 390 45 22.11 143.82 224 46 15.56 97.44 125 47 2.53 67.90 61 48 1.38 36.54 29 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.05 0.02 8504 8504 0.160 1.20 31.0 0.06 0.03 7726 16230 0.306 1.24 32.0 0.06 0.03 6654 22884 0.432 1.29 33.0 0.07 0.04 5685 28569 0.539 1.31 34.0 0.07 0.05 4868 33437 0.631 1.31 35.0 0.08 0.06 4109 37546 0.708 1.27 36.0 0.06 0.08 3356 40902 0.771 1.22 37.0 0.08 0.10 2864 43766 0.825 1.16 38.0 0.07 0.13 2330 46096 0.869 1.10 39.0 0.08 0.17 1917 48013 0.906 1.07 40.0 0.07 0.21 1522 49535 0.934 1.02 41.0 0.08 0.27 1189 50724 0.957 1.03 42.0 0.06 0.34 845 51569 0.973 1.03 43.0 0.07 0.40 624 52193 0.984 1.19 44.0 0.08 0.50 390 52583 0.992 1.15 45.0 0.10 0.64 224 52807 0.996 1.12 46.0 0.12 0.78 125 52932 0.998 1.21 47.0 0.04 1.11 61 52993 0.999 0.85 48.0 0.05 1.26 29 53022 1.000 1.07 I1 (integrated measured Kdp) = 3433.14 deg/km I2 (integrated consistency Kdp) = 4213.83 deg/km Iterative Z bias (this pass) = 0.89 dB Total Z bias (cumulative) = 3.11 dB |zbias| = 0.89 dB > 0.1 dB - continuing iteration ====================================================================== Iteration 2 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 440.21 159.70 7893 31 412.39 171.05 6807 32 381.00 177.87 5665 33 339.42 198.88 5058 34 314.98 208.76 4174 35 215.42 216.60 3399 36 244.46 238.78 2944 37 172.79 247.35 2367 38 145.63 260.97 1960 39 106.11 263.14 1549 40 103.85 268.01 1253 41 55.38 231.52 861 42 42.34 207.24 651 43 39.26 166.79 419 44 17.92 122.60 238 45 19.71 86.23 138 46 1.22 54.05 61 47 1.63 33.42 32 48 2.22 15.92 13 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.06 0.02 7893 7893 0.174 1.24 31.0 0.06 0.03 6807 14700 0.323 1.28 32.0 0.07 0.03 5665 20365 0.448 1.30 33.0 0.07 0.04 5058 25423 0.559 1.31 34.0 0.08 0.05 4174 29597 0.651 1.28 35.0 0.06 0.06 3399 32996 0.725 1.23 36.0 0.08 0.08 2944 35940 0.790 1.18 37.0 0.07 0.10 2367 38307 0.842 1.11 38.0 0.07 0.13 1960 40267 0.885 1.06 39.0 0.07 0.17 1549 41816 0.919 1.02 40.0 0.08 0.21 1253 43069 0.947 1.02 41.0 0.06 0.27 861 43930 0.966 1.02 42.0 0.07 0.32 651 44581 0.980 1.18 43.0 0.09 0.40 419 45000 0.989 1.18 44.0 0.08 0.52 238 45238 0.995 1.10 45.0 0.14 0.62 138 45376 0.998 1.21 46.0 0.02 0.89 61 45437 0.999 0.87 47.0 0.05 1.04 32 45469 1.000 0.99 48.0 0.17 1.22 13 45482 1.000 1.23 I1 (integrated measured Kdp) = 3055.96 deg/km I2 (integrated consistency Kdp) = 3328.88 deg/km Iterative Z bias (this pass) = 0.37 dB Total Z bias (cumulative) = 3.48 dB |zbias| = 0.37 dB > 0.1 dB - continuing iteration ====================================================================== Iteration 3 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 423.77 150.52 7484 31 402.14 158.20 6323 32 366.71 171.40 5476 33 317.15 183.39 4660 34 288.09 197.58 3940 35 241.07 208.92 3255 36 222.31 218.38 2665 37 156.02 237.52 2242 38 124.50 236.89 1788 39 108.25 240.18 1410 40 85.85 235.84 1107 41 41.95 207.41 788 42 50.87 187.08 588 43 31.39 131.16 323 44 21.88 98.03 191 45 3.74 67.73 107 46 2.41 47.13 53 47 3.95 20.47 20 48 0.44 10.41 8 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.06 0.02 7484 7484 0.176 1.26 31.0 0.06 0.03 6323 13807 0.325 1.29 32.0 0.07 0.03 5476 19283 0.454 1.31 33.0 0.07 0.04 4660 23943 0.564 1.30 34.0 0.07 0.05 3940 27883 0.657 1.26 35.0 0.07 0.06 3255 31138 0.734 1.21 36.0 0.08 0.08 2665 33803 0.797 1.15 37.0 0.07 0.11 2242 36045 0.850 1.07 38.0 0.07 0.13 1788 37833 0.892 1.08 39.0 0.08 0.17 1410 39243 0.925 1.01 40.0 0.08 0.21 1107 40350 0.951 1.02 41.0 0.05 0.26 788 41138 0.970 1.07 42.0 0.09 0.32 588 41726 0.983 1.19 43.0 0.10 0.41 323 42049 0.991 1.14 44.0 0.11 0.51 191 42240 0.996 1.12 45.0 0.03 0.63 107 42347 0.998 1.16 46.0 0.05 0.89 53 42400 0.999 0.88 47.0 0.20 1.02 20 42420 1.000 1.13 48.0 0.06 1.30 8 42428 1.000 1.13 I1 (integrated measured Kdp) = 2892.49 deg/km I2 (integrated consistency Kdp) = 3008.24 deg/km Iterative Z bias (this pass) = 0.17 dB Total Z bias (cumulative) = 3.65 dB |zbias| = 0.17 dB > 0.1 dB - continuing iteration ====================================================================== Iteration 4 ====================================================================== I1_bin = Integrated Kdp (default) in each Z bin I2_bin = Integrated Kdp (Self-Consistency) in each Z bin Bin I1_bin I2_bin bin_count 30 414.72 144.86 7216 31 397.18 155.25 6206 32 360.29 166.76 5327 33 322.59 179.19 4533 34 268.11 187.50 3744 35 242.64 206.94 3210 36 211.05 209.47 2556 37 157.72 229.56 2163 38 109.59 232.56 1751 39 106.70 226.34 1328 40 79.49 227.77 1070 41 49.06 193.22 742 42 39.46 170.63 538 43 31.16 116.78 291 44 20.09 93.20 182 45 2.52 62.14 96 46 3.95 39.27 45 47 2.06 17.21 17 48 0.44 10.01 8 dBZ Kdp(Default) Kdp(SC) count tot_count CDF DR_avg ---------------------------------------------------------------------- 30.0 0.06 0.02 7216 7216 0.176 1.27 31.0 0.06 0.03 6206 13422 0.327 1.30 32.0 0.07 0.03 5327 18749 0.457 1.32 33.0 0.07 0.04 4533 23282 0.568 1.29 34.0 0.07 0.05 3744 27026 0.659 1.26 35.0 0.08 0.06 3210 30236 0.737 1.19 36.0 0.08 0.08 2556 32792 0.799 1.15 37.0 0.07 0.11 2163 34955 0.852 1.06 38.0 0.06 0.13 1751 36706 0.895 1.07 39.0 0.08 0.17 1328 38034 0.927 1.01 40.0 0.07 0.21 1070 39104 0.953 1.02 41.0 0.07 0.26 742 39846 0.971 1.10 42.0 0.07 0.32 538 40384 0.984 1.19 43.0 0.11 0.40 291 40675 0.992 1.15 44.0 0.11 0.51 182 40857 0.996 1.11 45.0 0.03 0.65 96 40953 0.998 1.08 46.0 0.09 0.87 45 40998 0.999 0.91 47.0 0.12 1.01 17 41015 1.000 1.10 48.0 0.06 1.25 8 41023 1.000 1.13 I1 (integrated measured Kdp) = 2818.81 deg/km I2 (integrated consistency Kdp) = 2868.67 deg/km Iterative Z bias (this pass) = 0.08 dB Total Z bias (cumulative) = 3.65 dB Converged: |zbias| <= 0.1 dB ====================================================================== CALIBRATION RESULT ====================================================================== Total Z bias = 3.65 dB Number of iterations = 4 Positive (negative) bias indicates reflectivity is hot (cold). Quality Assessment: ---------------------------------------------------------------------- ✓ All bins (30-48 dBZ) have data ✗ 90th percentile outside optimal range: 39 dBZ (40-44 dBZ optimal) ✗ Maximum I1_bin <= 200: 0 ✗ Iterations > 3: 4 (results suspect) ✗ OVERALL: CAUTION - Results should be used with care ---------------------------------------------------------------------- ====================================================================== End of Calibration Test ======================================================================