Tropical Depression 13L
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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 .
20210908 21:30:22 GOES16 IR 29.09 86.20 30.0 29.37 86.55 3.36 9.49 0.10 0.06 0.50 11.5 GIF
20210908 22:00:22 SSMI16 85-92GHz 29.09 86.20 30.0 29.43 86.40 0.38 1.07 N/A 0.55 4.40 0.0 GIF
20210908 22:30:22 SSMI16 85-92GHz 29.09 86.20 30.0 29.52 86.29 0.38 1.07 N/A 0.55 4.34 0.0 GIF
20210908 23:00:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.20 84.76 0.19 0.54 N/A 1.87 8.73 0.0 GIF
20210908 23:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.28 84.65 0.19 0.54 N/A 1.87 8.55 0.0 GIF
20210908 23:50:00 SSMI18 85-92GHz 29.32 85.93 30.0 29.34 84.58 0.19 0.54 N/A 1.87 8.38 0.0 GIF
20210909 00:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.44 84.42 0.19 0.54 N/A 1.87 7.98 0.0 GIF
20210909 01:00:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.51 84.30 0.19 0.54 N/A 1.87 7.65 0.0 GIF
20210909 01:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.59 84.19 0.19 0.54 N/A 1.87 7.32 0.0 GIF
20210909 02:00:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.66 84.06 0.19 0.54 N/A 1.87 6.98 0.0 GIF
20210909 02:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.73 83.93 0.19 0.54 N/A 1.87 6.65 0.0 GIF
20210909 02:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.74 83.42 0.19 0.54 N/A 1.87 6.43 0.0 GIF
20210909 03:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.83 83.22 0.19 0.54 N/A 1.87 6.02 0.0 GIF
20210909 03:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.87 83.12 0.19 0.54 N/A 1.87 5.82 0.0 GIF
20210909 04:20:22 SSMI18 85-92GHz 29.32 85.93 30.0 29.93 82.97 0.19 0.54 N/A 1.87 5.54 0.0 GIF
20210909 05:00:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.04 82.79 0.19 0.54 N/A 1.87 5.18 0.0 GIF
20210909 05:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.14 82.54 0.19 0.54 N/A 1.87 4.77 0.0 GIF
20210909 06:10:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.18 82.44 0.19 0.54 N/A 1.87 4.62 0.0 GIF
20210909 06:30:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.22 82.34 0.19 0.54 N/A 1.87 4.47 0.0 GIF
20210909 06:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.27 82.25 0.19 0.54 N/A 1.87 4.34 0.0 GIF
20210909 07:40:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.37 82.00 0.19 0.54 N/A 1.87 4.01 0.0 GIF
20210909 07:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.39 81.95 0.19 0.54 N/A 1.87 3.95 0.0 GIF
20210909 08:20:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.45 81.80 0.19 0.54 N/A 1.87 3.78 0.0 GIF
20210909 08:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.67 81.94 0.19 0.54 N/A 1.87 3.61 0.0 GIF
20210909 09:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.77 81.61 0.19 0.54 N/A 1.87 3.31 0.0 GIF
20210909 10:20:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.84 81.46 0.19 0.54 N/A 1.87 3.18 0.0 GIF
20210909 10:20:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.84 81.46 0.19 0.54 N/A 1.87 3.18 0.0 GIF
20210909 10:50:22 SSMI18 85-92GHz 29.32 85.93 30.0 30.92 81.31 0.19 0.54 N/A 1.87 3.05 0.0 GIF
20210909 11:30:22 SSMI18 85-92GHz 31.03 82.37 35.0 30.75 82.20 0.34 0.97 N/A 0.69 4.85 0.0 GIF
20210909 11:50:22 GOES16 IR 31.14 82.09 35.0 30.69 80.52 0.30 0.85 0.05 0.77 5.59 100.0 GIF
20210909 12:30:22 SSMI16 85-92GHz 31.09 82.21 35.0 30.87 81.94 0.32 0.89 N/A 0.81 5.14 0.0 GIF
20210909 13:00:22 GOES16 NearIR 31.28 81.71 35.0 31.08 80.10 0.29 0.81 0.05 0.72 5.86 99.6 GIF
20210909 13:20:22 SSMI16 85-92GHz 31.09 82.21 35.0 30.98 81.66 0.32 0.89 N/A 0.81 4.94 0.0 GIF
20210909 13:50:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.05 81.50 0.32 0.89 N/A 0.81 4.81 0.0 GIF
20210909 14:20:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.11 81.33 0.32 0.89 N/A 0.81 4.67 0.0 GIF
20210909 14:50:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.13 80.82 0.32 0.89 N/A 0.81 4.53 0.0 GIF
20210909 15:30:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.22 80.59 0.32 0.89 N/A 0.81 4.33 0.0 GIF
20210909 16:00:22 GOES16 Vis 31.61 80.34 30.0 31.58 80.10 0.40 1.12 0.15 0.35 4.22 77.7 GIF
20210909 16:20:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.31 80.29 0.32 0.89 N/A 0.81 4.09 0.0 GIF
20210909 17:00:22 GOES16 Vis 31.72 79.98 30.0 31.69 79.92 0.28 0.80 0.05 0.47 5.93 90.8 GIF
20210909 17:30:22 SSMI16 85-92GHz 31.09 82.21 35.0 31.42 79.87 0.32 0.89 N/A 0.81 3.77 0.0 GIF
20210909 18:00:22 GOES16 IR 31.83 79.62 30.0 32.00 77.91 0.25 0.71 0.10 0.89 6.72 100.0 GIF
20210909 18:30:22 GOES16 Vis 31.89 79.44 30.0 31.91 79.35 0.47 1.32 0.10 0.31 3.59 69.6 GIF
20210909 19:00:22 GOES16 Vis 31.94 79.26 30.0 32.04 79.32 0.33 0.93 0.05 0.41 5.10 83.6 GIF
20210909 19:30:22 AMSR2 85-92GHz 31.89 79.43 30.0 31.90 78.86 0.31 0.88 N/A 0.85 5.28 0.0 GIF
20210909 20:00:22 GOES16 Vis 32.05 78.91 30.0 32.08 78.91 0.26 0.73 0.05 0.50 6.46 99.1 GIF
20210909 20:20:22 AMSR2 85-92GHz 31.89 79.43 30.0 32.00 78.56 0.31 0.88 N/A 0.85 5.07 0.0 GIF
20210909 21:00:22 AMSR2 85-92GHz 31.89 79.43 30.0 31.90 78.07 0.31 0.88 N/A 0.85 4.89 0.0 GIF
20210909 21:30:22 AMSR2 85-92GHz 31.89 79.43 30.0 31.96 77.88 0.31 0.88 N/A 0.85 4.74 0.0 GIF
20210909 22:00:22 GOES16 NearIR 32.10 77.92 30.0 32.50 77.72 0.35 0.99 0.15 0.59 4.78 81.1 GIF
20210909 22:30:22 GOES16 NearIR 32.15 77.73 30.0 32.43 77.70 0.36 1.01 0.30 0.59 4.72 97.3 GIF
20210909 23:00:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.36 78.19 0.31 0.88 N/A 0.85 5.38 0.0 GIF
20210909 23:20:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.39 78.07 0.31 0.88 N/A 0.85 5.33 0.0 GIF
20210910 00:00:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.46 77.81 0.31 0.88 N/A 0.85 5.18 0.0 GIF
20210910 00:30:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.52 77.62 0.31 0.88 N/A 0.85 5.05 0.0 GIF
20210910 01:00:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.57 77.43 0.31 0.88 N/A 0.85 4.91 0.0 GIF
20210910 01:30:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.62 77.24 0.31 0.88 N/A 0.85 4.77 0.0 GIF
20210910 01:50:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.66 77.12 0.31 0.88 N/A 0.85 4.67 0.0 GIF
20210910 02:20:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.71 76.93 0.31 0.88 N/A 0.85 4.52 0.0 GIF
20210910 03:00:22 SSMI18 85-92GHz 32.16 77.69 30.0 32.68 75.65 0.31 0.88 N/A 0.85 4.31 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 |
