Tropical Depression 20W
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ARCHER-V2 Auto-positioning Information Advanced Dvorak Technique (ADT) Version 9.0 |
-------FORECAST----- ----ARCHER---- 50% cert 95% cert Eyewall Conf Alpha Eye
Date/Time(UTC) Source Sensor Lat Lon Vmax Lat Lon radius radius radius Score Score Prob .
20201020 14:30:00 HIMAWARI NearIR 25.16 -139.24 30.0 25.43 -138.88 0.54 1.52 0.50 0.40 3.12 52.9 GIF
20201020 15:10:00 HIMAWARI NearIR 25.10 -139.21 30.0 24.90 -140.20 0.82 2.32 0.05 0.28 2.04 72.0 GIF
20201020 15:40:00 HIMAWARI NearIR 25.09 -139.23 30.0 25.06 -137.74 1.19 3.37 0.40 0.20 1.41 52.2 GIF
20201020 16:10:00 HIMAWARI NearIR 25.08 -139.25 30.0 24.90 -140.24 3.36 9.49 0.05 0.00 0.50 0.4 GIF
20201020 16:40:00 HIMAWARI NearIR 25.07 -139.27 30.0 25.24 -138.14 0.78 2.22 0.30 0.29 2.14 55.6 GIF
20201020 16:40:00 HIMAWARI NearIR 25.07 -139.27 30.0 25.24 -138.14 0.78 2.22 0.30 0.29 2.14 55.6 GIF
20201020 17:40:00 HIMAWARI NearIR 25.05 -139.31 30.0 25.35 -138.40 0.91 2.58 0.40 0.25 1.84 47.9 GIF
20201020 18:10:00 HIMAWARI NearIR 25.05 -139.33 30.0 25.07 -138.72 2.09 5.91 0.50 0.14 0.80 46.1 GIF
20201020 18:40:00 HIMAWARI IR 25.04 -139.35 30.0 25.02 -137.91 3.36 9.49 0.05 0.24 0.50 56.1 GIF
20201020 19:10:00 HIMAWARI IR 25.21 -139.70 30.0 24.68 -138.23 1.02 2.89 0.05 0.38 1.64 62.7 GIF
20201020 19:40:00 SSMI15 85-92GHz 25.20 -139.70 30.0 25.56 -139.92 0.46 1.31 N/A 0.30 3.53 0.0 GIF
20201020 20:10:00 SSMI15 85-92GHz 25.20 -139.70 30.0 25.55 -139.92 0.46 1.31 N/A 0.30 3.48 0.0 GIF
20201020 20:40:00 SSMI15 85-92GHz 25.20 -139.70 30.0 25.55 -139.92 0.46 1.31 N/A 0.30 3.41 0.0 GIF
20201020 21:10:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.60 -139.26 0.31 0.87 N/A 0.86 5.40 0.0 GIF
20201020 21:40:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.60 -139.26 0.31 0.87 N/A 0.86 5.31 0.0 GIF
20201020 22:10:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.59 -139.26 0.31 0.87 N/A 0.86 5.20 0.0 GIF
20201020 22:30:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.59 -139.27 0.31 0.87 N/A 0.86 5.11 0.0 GIF
20201020 23:10:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.58 -139.27 0.31 0.87 N/A 0.86 4.92 0.0 GIF
20201020 23:40:00 HIMAWARI Vis 25.17 -139.71 30.0 25.05 -139.71 0.26 0.74 0.30 0.50 6.40 65.1 GIF
20201021 00:10:00 HIMAWARI Vis 25.17 -139.71 30.0 25.04 -139.63 0.17 0.48 0.25 0.74 9.91 78.9 GIF
20201021 00:40:00 HIMAWARI Vis 25.16 -139.71 30.0 25.11 -139.80 0.16 0.47 0.50 0.76 10.20 81.6 GIF
20201021 01:10:00 HIMAWARI Vis 25.01 -139.85 30.0 25.01 -139.80 0.17 0.48 0.10 0.75 9.93 90.3 GIF
20201021 01:40:00 HIMAWARI Vis 25.01 -139.84 30.0 24.98 -139.87 0.16 0.44 0.15 0.80 10.67 87.9 GIF
20201021 02:10:00 HIMAWARI Vis 25.00 -139.82 30.0 24.90 -139.82 0.17 0.47 0.05 0.75 10.00 95.9 GIF
20201021 02:30:00 HIMAWARI Vis 25.00 -139.81 30.0 24.90 -139.81 0.22 0.62 0.10 0.59 7.71 74.8 GIF
20201021 03:10:00 HIMAWARI Vis 25.00 -139.80 30.0 24.95 -139.82 0.45 1.27 0.45 0.32 3.75 57.5 GIF
20201021 03:40:00 HIMAWARI Vis 25.00 -139.78 30.0 24.92 -139.98 0.37 1.04 0.30 0.37 4.57 60.0 GIF
20201021 04:10:00 HIMAWARI Vis 24.99 -139.77 30.0 24.89 -139.83 0.35 0.98 0.20 0.39 4.83 60.7 GIF
20201021 04:40:00 HIMAWARI Vis 24.99 -139.76 30.0 24.84 -139.87 0.28 0.80 0.30 0.47 5.92 65.7 GIF
20201021 05:10:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.38 -139.32 0.31 0.87 N/A 0.86 3.23 0.0 GIF
20201021 05:40:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.38 -139.30 0.31 0.87 N/A 0.86 3.11 0.0 GIF
20201021 06:10:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.37 -139.29 0.31 0.87 N/A 0.86 3.00 0.0 GIF
20201021 06:30:00 SSMI16 85-92GHz 25.20 -139.70 30.0 24.37 -139.29 0.31 0.87 N/A 0.86 2.93 0.0 GIF
20201021 06:40:00 SSMI15 85-92GHz 25.20 -139.70 30.0 25.32 -139.95 0.46 1.31 N/A 0.30 2.02 0.0 GIF
20201021 06:50:00 SSMI15 85-92GHz 25.20 -139.70 30.0 25.32 -139.94 0.46 1.31 N/A 0.30 2.00 0.0 GIF
20201021 07:40:00 SSMI16 85-92GHz 24.97 -139.72 30.0 24.46 -139.48 0.64 1.80 N/A 0.00 2.61 0.0 GIF
20201021 08:00:00 SSMI16 85-92GHz 24.97 -139.72 30.0 24.47 -139.46 0.64 1.80 N/A 0.00 2.60 0.0 GIF
20201021 08:10:00 HIMAWARI IR 24.78 -139.45 30.0 23.93 -139.89 0.57 1.61 0.05 0.51 2.94 73.6 GIF
20201021 09:00:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.75 -139.29 0.64 1.80 N/A 0.00 2.60 0.0 GIF
20201021 10:10:00 HIMAWARI NearIR 24.82 -139.34 30.0 24.00 -139.89 0.55 1.55 0.05 0.39 3.06 78.3 GIF
20201021 10:40:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.78 -139.20 0.64 1.80 N/A 0.00 2.49 0.0 GIF
20201021 11:10:00 HIMAWARI IR 24.83 -139.29 30.0 23.91 -140.78 0.39 1.09 0.05 0.65 4.36 82.7 GIF
20201021 11:40:00 HIMAWARI NearIR 24.84 -139.27 30.0 23.87 -140.76 0.50 1.43 0.05 0.43 3.33 81.0 GIF
20201021 12:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.80 -139.14 0.64 1.80 N/A 0.00 2.37 0.0 GIF
20201021 12:40:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.80 -139.11 0.64 1.80 N/A 0.00 2.33 0.0 GIF
20201021 13:00:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.81 -139.10 0.64 1.80 N/A 0.00 2.30 0.0 GIF
20201021 13:40:00 HIMAWARI IR 24.87 -139.18 30.0 24.75 -139.73 0.71 2.01 0.15 0.45 2.35 89.3 GIF
20201021 14:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.20 -139.15 0.64 1.80 N/A 0.00 2.19 0.0 GIF
20201021 14:30:00 HIMAWARI NearIR 24.27 -139.23 25.0 24.85 -139.48 0.65 1.83 0.05 0.34 2.59 72.6 GIF
20201021 15:10:00 HIMAWARI NearIR 24.31 -139.19 25.0 24.26 -139.24 0.49 1.38 0.50 0.44 3.44 70.7 GIF
20201021 15:40:00 HIMAWARI NearIR 24.34 -139.16 25.0 24.44 -139.18 0.71 2.01 0.50 0.31 2.36 65.3 GIF
20201021 16:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.31 -139.02 0.64 1.80 N/A 0.00 2.01 0.0 GIF
20201021 16:40:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.33 -138.99 0.64 1.80 N/A 0.00 1.97 0.0 GIF
20201021 17:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.36 -138.96 0.64 1.80 N/A 0.00 1.92 0.0 GIF
20201021 17:40:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.38 -138.93 0.64 1.80 N/A 0.00 1.88 0.0 GIF
20201021 18:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.40 -138.90 0.64 1.80 N/A 0.00 1.84 0.0 GIF
20201021 18:40:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.43 -138.87 0.64 1.80 N/A 0.00 1.80 0.0 GIF
20201021 19:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.45 -138.84 0.64 1.80 N/A 0.00 1.76 0.0 GIF
20201021 19:40:00 HIMAWARI NearIR 24.53 -138.92 25.0 24.01 -138.26 0.83 2.34 0.10 0.28 2.03 48.1 GIF
20201021 20:10:00 SSMI18 85-92GHz 24.78 -139.45 30.0 24.50 -138.78 0.64 1.80 N/A 0.00 1.68 0.0 GIF
20201021 20:40:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.43 -138.97 0.64 1.80 N/A 0.00 2.63 0.0 GIF
20201021 21:10:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.46 -138.95 0.64 1.80 N/A 0.00 2.61 0.0 GIF
20201021 21:40:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.49 -138.92 0.64 1.80 N/A 0.00 2.59 0.0 GIF
20201021 22:10:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.52 -138.90 0.64 1.80 N/A 0.00 2.56 0.0 GIF
20201021 22:30:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.54 -138.88 0.64 1.80 N/A 0.00 2.53 0.0 GIF
20201021 23:00:00 SSMI16 85-92GHz 24.58 -138.87 25.0 24.58 -138.85 0.64 1.80 N/A 0.00 2.50 0.0 GIF
20201021 23:40:00 HIMAWARI Vis 24.77 -138.72 25.0 24.75 -138.80 0.27 0.77 0.30 0.48 6.15 69.8 GIF
20201022 00:00:00 HIMAWARI Vis 24.80 -138.70 25.0 24.75 -138.76 0.28 0.78 0.35 0.48 6.07 68.8 GIF
20201022 00:40:00 HIMAWARI Vis 24.85 -138.67 25.0 24.95 -138.67 0.25 0.71 0.50 0.52 6.66 71.4 GIF
20201022 01:10:00 HIMAWARI Vis 24.90 -138.65 25.0 24.87 -138.62 0.25 0.72 0.10 0.51 6.60 68.8 GIF
20201022 01:40:00 HIMAWARI Vis 24.95 -138.63 25.0 24.95 -138.52 0.27 0.76 0.30 0.49 6.21 64.0 GIF
20201022 02:10:00 HIMAWARI Vis 25.00 -138.61 25.0 25.10 -138.58 0.25 0.70 0.05 0.53 6.76 63.6 GIF
20201022 02:30:00 HIMAWARI Vis 25.03 -138.60 25.0 25.08 -138.60 0.23 0.66 0.05 0.56 7.24 69.3 GIF
20201022 03:10:00 HIMAWARI Vis 25.11 -138.57 25.0 25.29 -138.63 0.29 0.83 0.30 0.46 5.74 66.8 GIF
20201022 03:40:00 SSMI16 85-92GHz 24.58 -138.87 25.0 25.02 -138.66 0.64 1.80 N/A 0.00 2.09 0.0 GIF
20201022 04:10:00 HIMAWARI IR 25.24 -138.54 25.0 25.19 -138.07 0.56 1.59 0.10 0.51 2.97 64.3 GIF
20201022 04:40:00 HIMAWARI IR 25.31 -138.52 25.0 25.24 -138.47 0.35 1.00 0.05 0.69 4.73 73.2 GIF
20201022 05:10:00 HIMAWARI Vis 25.39 -138.51 25.0 25.59 -138.59 0.78 2.21 0.10 0.21 2.15 47.7 GIF
20201022 05:40:00 HIMAWARI Vis 25.47 -138.49 25.0 25.62 -138.44 0.70 1.98 0.20 0.22 2.39 47.8 GIF
20201022 06:10:00 HIMAWARI NearIR 25.55 -138.48 25.0 26.00 -138.84 0.86 2.44 0.05 0.27 1.95 56.2 GIF
20201022 06:40:00 SSMI16 85-92GHz 24.58 -138.87 25.0 25.49 -138.57 0.64 1.80 N/A 0.00 1.83 0.0 GIF
20201022 07:10:00 HIMAWARI NearIR 25.74 -138.46 25.0 26.09 -138.96 0.47 1.34 0.10 0.45 3.54 61.4 GIF
20201022 07:40:00 HIMAWARI NearIR 25.84 -138.45 25.0 26.24 -138.92 0.54 1.51 0.05 0.40 3.13 61.0 GIF
20201022 08:10:00 SSMI16 85-92GHz 25.67 -138.47 25.0 26.30 -138.77 0.64 1.80 N/A 0.00 2.58 0.0 GIF
20201022 08:40:00 HIMAWARI NearIR 26.06 -138.43 25.0 26.36 -139.07 0.65 1.82 0.20 0.34 2.60 67.1 GIF
20201022 09:10:00 SSMI16 85-92GHz 25.67 -138.47 25.0 26.53 -138.75 0.64 1.80 N/A 0.00 2.51 0.0 GIF
20201022 09:40:00 HIMAWARI NearIR 26.31 -138.42 25.0 26.71 -139.87 0.64 1.82 0.05 0.34 2.61 83.9 GIF
20201022 10:10:00 SSMI16 85-92GHz 25.67 -138.47 25.0 26.80 -138.74 0.64 1.80 N/A 0.00 2.43 0.0 GIF
20201022 10:40:00 SSMI16 85-92GHz 25.67 -138.47 25.0 26.94 -138.73 0.64 1.80 N/A 0.00 2.39 0.0 GIF
20201022 11:10:00 SSMI16 85-92GHz 25.67 -138.47 25.0 27.09 -138.72 0.64 1.80 N/A 0.00 2.34 0.0 GIF
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Key: - Date/Time: UTC time. If this observation is used in the track it is marked with a "*". If it is used for its own 30-minute window, it is put in bold. - Source/sensor: Satellite source of the analyzed image. - Vmax: Maximum winds listed in the forecast center analysis/forecast, *not* ARCHER. - ARCHER lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the observation. If no center fix could be found, then it is "***". - Geo ref lat/lon: Coordinates of the ARCHER algorithm, valid at the time of the *nearest geo image*. - 50% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 50% certain. The lower the number, the more certain the position. - 95% cert. rad.: Radius of the circle (in degrees) that defines the area in which the ARCHER center of rotation is 95% certain. - Eye diam (deg): ARCHER-resolved eye diameter (in degrees). Green: robust, yellow: less certain, red: not robust. - % cert. of eye: Percent certainty that an eye exists in this image, determined by ARCHER. Currently only available for IR and 85-92 GHz imagery.
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Links to related versions: - Track Plot - Summary table - Intensity Estimation |
