Tropical Depression 17W
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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 .
20210902 03:10:00 HIMAWARI Vis 27.22 -159.38 30.0 27.42 -159.52 0.52 1.47 0.05 0.28 3.23 56.9 GIF
20210902 03:40:00 HIMAWARI Vis 27.33 -159.20 30.0 27.43 -159.26 0.37 1.04 0.05 0.37 4.56 69.9 GIF
20210902 04:10:00 HIMAWARI Vis 27.39 -159.14 30.0 27.54 -159.25 0.40 1.13 0.15 0.35 4.19 62.2 GIF
20210902 04:40:00 HIMAWARI IR 27.45 -159.08 30.0 28.02 -157.67 0.50 1.42 0.05 0.55 3.33 98.6 GIF
20210902 05:10:00 HIMAWARI NearIR 27.51 -159.03 30.0 27.48 -159.45 1.38 3.91 0.05 0.18 1.21 48.7 GIF
20210902 05:40:00 HIMAWARI IR 27.56 -158.97 30.0 27.99 -158.35 3.36 9.49 0.05 0.05 0.50 15.4 GIF
20210902 06:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.87 -158.42 0.37 1.05 N/A 0.58 4.53 0.0 GIF
20210902 06:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.93 -158.37 0.37 1.05 N/A 0.58 4.48 0.0 GIF
20210902 07:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.98 -158.32 0.37 1.05 N/A 0.58 4.40 0.0 GIF
20210902 07:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.04 -158.27 0.37 1.05 N/A 0.58 4.32 0.0 GIF
20210902 08:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.10 -158.22 0.37 1.05 N/A 0.58 4.22 0.0 GIF
20210902 08:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.70 -158.13 0.37 1.05 N/A 0.58 4.12 0.0 GIF
20210902 09:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.77 -158.08 0.37 1.05 N/A 0.58 4.01 0.0 GIF
20210902 10:00:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.88 -158.00 0.37 1.05 N/A 0.58 3.82 0.0 GIF
20210902 10:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.90 -157.99 0.37 1.05 N/A 0.58 3.78 0.0 GIF
20210902 10:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.96 -157.94 0.37 1.05 N/A 0.58 3.67 0.0 GIF
20210902 11:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.02 -157.90 0.37 1.05 N/A 0.58 3.56 0.0 GIF
20210902 11:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.09 -157.85 0.37 1.05 N/A 0.58 3.45 0.0 GIF
20210902 12:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.15 -157.81 0.37 1.05 N/A 0.58 3.34 0.0 GIF
20210902 12:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.21 -157.77 0.37 1.05 N/A 0.58 3.24 0.0 GIF
20210902 13:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.91 -158.30 0.37 1.05 N/A 0.58 3.13 0.0 GIF
20210902 13:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 27.98 -158.27 0.37 1.05 N/A 0.58 3.03 0.0 GIF
20210902 14:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.04 -158.34 0.37 1.05 N/A 0.58 2.94 0.0 GIF
20210902 14:30:00 HIMAWARI NearIR 27.83 -158.82 30.0 27.41 -158.34 1.80 5.08 0.15 0.15 0.93 47.6 GIF
20210902 15:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.17 -158.29 0.37 1.05 N/A 0.58 2.75 0.0 GIF
20210902 15:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.24 -158.26 0.37 1.05 N/A 0.58 2.67 0.0 GIF
20210902 16:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.31 -158.24 0.37 1.05 N/A 0.58 2.58 0.0 GIF
20210902 16:40:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.39 -158.21 0.37 1.05 N/A 0.58 2.50 0.0 GIF
20210902 17:10:00 SSMI16 85-92GHz 27.60 -158.93 30.0 28.46 -158.18 0.37 1.05 N/A 0.58 2.43 0.0 GIF
20210902 17:40:00 AMSR2 85-92GHz 28.00 -158.77 30.0 28.68 -158.25 0.31 0.88 N/A 0.83 4.97 0.0 GIF
20210902 18:10:00 AMSR2 85-92GHz 28.00 -158.77 30.0 28.76 -158.22 0.31 0.88 N/A 0.83 4.83 0.0 GIF
20210902 19:00:00 AMSR2 85-92GHz 28.00 -158.77 30.0 28.88 -158.17 0.31 0.88 N/A 0.83 4.59 0.0 GIF
20210902 19:00:00 AMSR2 85-92GHz 28.00 -158.77 30.0 28.88 -158.17 0.31 0.88 N/A 0.83 4.59 0.0 GIF
20210902 19:40:00 HIMAWARI IR 28.59 -158.53 30.0 29.51 -158.22 0.23 0.66 0.05 0.93 7.16 100.0 GIF
20210902 20:10:00 SSMI18 85-92GHz 28.50 -158.57 30.0 29.17 -158.10 0.32 0.91 N/A 0.79 5.07 0.0 GIF
20210902 20:40:00 SSMI18 85-92GHz 28.50 -158.57 30.0 30.03 -157.78 0.32 0.91 N/A 0.79 4.95 0.0 GIF
20210902 21:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 29.58 -158.20 0.30 0.85 N/A 0.90 5.58 0.0 GIF
20210902 21:40:00 HIMAWARI IR 29.74 -158.19 30.0 30.04 -157.47 0.24 0.69 0.05 0.91 6.90 100.0 GIF
20210902 22:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 29.79 -158.18 0.30 0.85 N/A 0.90 5.41 0.0 GIF
20210902 23:00:00 SSMI17 85-92GHz 29.62 -158.20 30.0 29.96 -158.17 0.30 0.85 N/A 0.90 5.19 0.0 GIF
20210902 23:00:00 SSMI17 85-92GHz 29.62 -158.20 30.0 29.96 -158.17 0.30 0.85 N/A 0.90 5.19 0.0 GIF
20210902 23:40:00 HIMAWARI Vis 30.15 -158.16 30.0 30.18 -158.31 0.33 0.94 0.25 0.41 5.02 64.9 GIF
20210903 00:10:00 HIMAWARI Vis 30.26 -158.16 30.0 30.29 -158.39 0.34 0.95 0.05 0.40 4.98 72.2 GIF
20210903 01:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 30.42 -158.13 0.30 0.85 N/A 0.90 4.52 0.0 GIF
20210903 01:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 30.42 -158.13 0.30 0.85 N/A 0.90 4.52 0.0 GIF
20210903 01:40:00 SSMI17 85-92GHz 29.62 -158.20 30.0 30.53 -158.12 0.30 0.85 N/A 0.90 4.36 0.0 GIF
20210903 02:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 30.63 -158.11 0.30 0.85 N/A 0.90 4.20 0.0 GIF
20210903 02:30:00 HIMAWARI Vis 30.20 -157.70 30.0 30.18 -157.91 0.34 0.97 0.10 0.40 4.88 74.7 GIF
20210903 03:10:00 SSMI17 85-92GHz 29.62 -158.20 30.0 30.28 -157.69 0.30 0.85 N/A 0.90 3.90 0.0 GIF
20210903 03:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.38 -157.58 0.43 1.21 N/A 0.40 3.86 0.0 GIF
20210903 04:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.47 -157.58 0.43 1.21 N/A 0.40 3.80 0.0 GIF
20210903 04:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.56 -157.57 0.43 1.21 N/A 0.40 3.73 0.0 GIF
20210903 05:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.66 -157.57 0.43 1.21 N/A 0.40 3.65 0.0 GIF
20210903 05:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.75 -157.57 0.43 1.21 N/A 0.40 3.57 0.0 GIF
20210903 06:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.84 -157.56 0.43 1.21 N/A 0.40 3.48 0.0 GIF
20210903 06:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.93 -157.56 0.43 1.21 N/A 0.40 3.39 0.0 GIF
20210903 07:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.79 -157.76 0.43 1.21 N/A 0.40 3.30 0.0 GIF
20210903 07:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.89 -157.79 0.43 1.21 N/A 0.40 3.21 0.0 GIF
20210903 08:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 30.99 -157.82 0.43 1.21 N/A 0.40 3.12 0.0 GIF
20210903 08:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.09 -157.85 0.43 1.21 N/A 0.40 3.04 0.0 GIF
20210903 09:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.19 -157.88 0.43 1.21 N/A 0.40 2.95 0.0 GIF
20210903 09:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.29 -157.91 0.43 1.21 N/A 0.40 2.87 0.0 GIF
20210903 10:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.39 -157.94 0.43 1.21 N/A 0.40 2.78 0.0 GIF
20210903 10:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.49 -157.97 0.43 1.21 N/A 0.40 2.70 0.0 GIF
20210903 11:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.59 -158.00 0.43 1.21 N/A 0.40 2.62 0.0 GIF
20210903 11:40:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.70 -158.03 0.43 1.21 N/A 0.40 2.55 0.0 GIF
20210903 12:10:00 AMSR2 85-92GHz 30.24 -157.70 30.0 31.80 -158.06 0.43 1.21 N/A 0.40 2.47 0.0 GIF
20210903 12:40:00 HIMAWARI NearIR 31.94 -158.24 30.0 30.84 -158.89 0.56 1.58 0.45 0.39 3.01 76.5 GIF
20210903 13:10:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.10 -158.43 0.64 1.80 N/A 0.00 2.34 0.0 GIF
20210903 13:40:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.20 -158.48 0.64 1.80 N/A 0.00 2.29 0.0 GIF
20210903 14:10:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.07 -158.75 0.64 1.80 N/A 0.00 2.25 0.0 GIF
20210903 14:30:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.14 -158.80 0.64 1.80 N/A 0.00 2.22 0.0 GIF
20210903 15:10:00 HIMAWARI NearIR 32.24 -158.72 30.0 31.61 -158.54 0.54 1.52 0.10 0.40 3.11 66.6 GIF
20210903 15:40:00 HIMAWARI NearIR 32.35 -158.79 30.0 31.77 -158.73 0.53 1.51 0.10 0.41 3.15 72.3 GIF
20210903 16:10:00 HIMAWARI NearIR 32.46 -158.85 30.0 31.93 -158.91 0.29 0.81 0.10 0.72 5.87 98.7 GIF
20210903 16:40:00 HIMAWARI NearIR 32.57 -158.91 30.0 31.89 -159.18 0.37 1.05 0.10 0.56 4.52 87.8 GIF
20210903 17:10:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.74 -159.13 0.64 1.80 N/A 0.00 1.98 0.0 GIF
20210903 17:40:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.84 -159.20 0.64 1.80 N/A 0.00 1.94 0.0 GIF
20210903 18:10:00 SSMI17 85-92GHz 31.15 -157.99 30.0 32.95 -159.27 0.64 1.80 N/A 0.00 1.89 0.0 GIF
20210903 18:40:00 SSMI17 85-92GHz 31.15 -157.99 30.0 33.06 -159.34 0.64 1.80 N/A 0.00 1.85 0.0 GIF
20210903 19:10:00 SSMI18 85-92GHz 33.05 -159.20 30.0 33.47 -159.94 0.51 1.44 N/A 0.20 3.28 0.0 GIF
20210903 19:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 33.30 -159.51 0.34 0.96 N/A 0.71 4.92 0.0 GIF
20210903 20:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 33.43 -159.63 0.34 0.96 N/A 0.71 4.84 0.0 GIF
20210903 20:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 33.56 -159.74 0.34 0.96 N/A 0.71 4.74 0.0 GIF
20210903 21:10:00 HIMAWARI IR 33.74 -160.34 25.0 34.57 -159.95 0.31 0.89 0.05 0.75 5.34 100.0 GIF
20210903 21:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 33.83 -159.97 0.34 0.96 N/A 0.71 4.51 0.0 GIF
20210903 22:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 33.96 -160.08 0.34 0.96 N/A 0.71 4.39 0.0 GIF
20210903 22:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.09 -160.19 0.34 0.96 N/A 0.71 4.26 0.0 GIF
20210903 23:00:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.18 -160.26 0.34 0.96 N/A 0.71 4.17 0.0 GIF
20210903 23:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.35 -160.41 0.34 0.96 N/A 0.71 4.00 0.0 GIF
20210904 00:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.48 -160.52 0.34 0.96 N/A 0.71 3.87 0.0 GIF
20210904 00:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.61 -160.64 0.34 0.96 N/A 0.71 3.74 0.0 GIF
20210904 01:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.73 -160.75 0.34 0.96 N/A 0.71 3.62 0.0 GIF
20210904 01:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.86 -160.86 0.34 0.96 N/A 0.71 3.50 0.0 GIF
20210904 02:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 34.99 -160.97 0.34 0.96 N/A 0.71 3.38 0.0 GIF
20210904 02:30:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.08 -161.05 0.34 0.96 N/A 0.71 3.30 0.0 GIF
20210904 03:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.25 -161.20 0.34 0.96 N/A 0.71 3.15 0.0 GIF
20210904 03:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.38 -161.32 0.34 0.96 N/A 0.71 3.05 0.0 GIF
20210904 04:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.51 -161.43 0.34 0.96 N/A 0.71 2.95 0.0 GIF
20210904 04:40:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.64 -161.55 0.34 0.96 N/A 0.71 2.85 0.0 GIF
20210904 05:10:00 SSMI16 85-92GHz 33.22 -159.89 25.0 35.77 -161.67 0.34 0.96 N/A 0.71 2.75 0.0 GIF
20210904 05:40:00 SSMI18 85-92GHz 33.05 -159.20 30.0 36.21 -162.33 0.51 1.44 N/A 0.20 2.06 0.0 GIF
20210904 06:10:00 SSMI16 85-92GHz 35.92 -162.32 25.0 36.14 -162.19 0.64 1.80 N/A 0.00 2.62 0.0 GIF
20210904 06:40:00 SSMI18 85-92GHz 36.14 -162.55 25.0 36.02 -162.39 0.64 1.80 N/A 0.00 2.63 0.0 GIF
20210904 07:10:00 SSMI18 85-92GHz 36.14 -162.55 25.0 36.14 -162.52 0.64 1.80 N/A 0.00 2.61 0.0 GIF
20210904 07:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 36.42 -162.54 0.64 1.80 N/A 0.00 2.62 0.0 GIF
20210904 08:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 36.54 -162.68 0.64 1.80 N/A 0.00 2.60 0.0 GIF
20210904 08:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 36.67 -162.83 0.64 1.80 N/A 0.00 2.57 0.0 GIF
20210904 09:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 36.79 -162.98 0.64 1.80 N/A 0.00 2.54 0.0 GIF
20210904 09:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 36.92 -163.13 0.64 1.80 N/A 0.00 2.51 0.0 GIF
20210904 10:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.05 -163.28 0.64 1.80 N/A 0.00 2.47 0.0 GIF
20210904 10:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.16 -163.46 0.64 1.80 N/A 0.00 2.43 0.0 GIF
20210904 11:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.29 -163.62 0.64 1.80 N/A 0.00 2.38 0.0 GIF
20210904 11:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.43 -163.78 0.64 1.80 N/A 0.00 2.34 0.0 GIF
20210904 12:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.54 -163.98 0.64 1.80 N/A 0.00 2.29 0.0 GIF
20210904 12:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.67 -164.15 0.64 1.80 N/A 0.00 2.25 0.0 GIF
20210904 13:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.81 -164.33 0.64 1.80 N/A 0.00 2.20 0.0 GIF
20210904 13:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 37.91 -164.54 0.64 1.80 N/A 0.00 2.16 0.0 GIF
20210904 14:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.05 -164.73 0.64 1.80 N/A 0.00 2.11 0.0 GIF
20210904 14:30:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.14 -164.86 0.64 1.80 N/A 0.00 2.08 0.0 GIF
20210904 15:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.29 -165.16 0.64 1.80 N/A 0.00 2.02 0.0 GIF
20210904 15:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.43 -165.36 0.64 1.80 N/A 0.00 1.98 0.0 GIF
20210904 16:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.57 -165.57 0.64 1.80 N/A 0.00 1.94 0.0 GIF
20210904 16:40:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.67 -165.84 0.64 1.80 N/A 0.00 1.89 0.0 GIF
20210904 17:10:00 SSMI17 85-92GHz 36.32 -162.74 25.0 38.81 -166.06 0.64 1.80 N/A 0.00 1.85 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 |
