Tropical Depression 04B
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ARCHER-V2 Auto-positioning Information Advanced Dvorak Technique (ADT) Version 9.1 |
-------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 .
20251125 14:20:00 HIMAWARI SWIR 4.78 98.66 35.0 6.33 99.92 8.10 0.05 N/A 0.11 0.59 0.0 PNG
20251125 14:50:00 HIMAWARI IR 4.80 98.60 35.0 6.73 98.37 9.49 0.15 3.36 0.08 0.50 3.3 PNG
20251125 15:20:00 HIMAWARI IR 4.82 98.53 35.0 6.42 99.74 9.49 0.35 3.36 0.03 0.50 0.8 PNG
20251125 15:50:00 HIMAWARI SWIR 4.83 98.47 35.0 6.46 99.32 1.47 0.05 N/A 0.42 3.24 0.0 PNG
20251125 16:20:00 HIMAWARI IR 4.85 98.40 35.0 6.57 99.38 2.42 0.05 0.85 0.41 1.96 26.1 PNG
20251125 16:50:00 HIMAWARI IR 4.86 98.34 35.0 6.51 99.47 9.49 0.35 3.36 0.20 0.50 3.0 PNG
20251125 17:20:00 HIMAWARI SWIR 4.88 98.28 35.0 4.88 98.36 3.43 0.05 N/A 0.20 1.38 0.0 PNG
20251125 17:50:00 HIMAWARI IR 4.89 98.22 35.0 4.97 98.15 9.49 0.05 3.36 0.01 0.50 0.1 PNG
20251125 18:20:00 HIMAWARI IR 4.90 98.16 40.0 6.23 96.68 9.49 0.20 3.36 0.12 0.50 1.0 PNG
20251125 18:50:00 HIMAWARI SWIR 4.91 98.11 40.0 4.86 98.06 4.37 0.05 N/A 0.17 1.08 0.0 PNG
20251125 19:20:00 HIMAWARI SWIR 4.93 98.05 45.0 3.90 96.34 3.55 0.05 N/A 0.20 1.34 0.0 PNG
20251125 19:50:00 HIMAWARI SWIR 4.94 97.99 45.0 4.24 96.24 3.11 0.45 N/A 0.22 1.53 0.0 PNG
20251125 20:20:00 HIMAWARI SWIR 4.95 97.94 45.0 4.17 96.61 3.28 0.05 N/A 0.21 1.45 0.0 PNG
20251125 20:50:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.30 1.00 0.30 0.35 0.65 4.75 37.0 PNG
20251125 21:20:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.29 1.00 0.30 0.35 0.65 4.38 37.0 PNG
20251125 21:50:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.26 1.00 0.30 0.35 0.65 4.26 37.0 PNG
20251125 22:20:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.24 1.00 0.30 0.35 0.65 4.14 37.0 PNG
20251125 22:50:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.22 1.00 0.30 0.35 0.65 4.02 37.0 PNG
20251125 23:20:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.19 1.00 0.30 0.35 0.65 3.90 37.0 PNG
20251125 23:50:00 AMSR2 89GHz 4.70 98.30 45.0 4.55 98.17 1.00 0.30 0.35 0.65 3.78 37.0 PNG
20251126 00:20:00 SSMISF17 89GHz 4.70 98.16 45.0 4.65 97.86 1.24 0.15 0.44 0.36 3.82 3.6 PNG
20251126 00:50:00 SSMISF17 89GHz 4.70 98.16 45.0 4.66 97.81 1.24 0.15 0.44 0.36 3.68 3.6 PNG
20251126 01:20:00 SSMISF17 89GHz 4.70 98.16 45.0 4.66 97.78 1.24 0.15 0.44 0.36 3.61 3.6 PNG
20251126 01:50:00 HIMAWARI Vis 4.70 98.07 45.0 3.20 99.03 1.07 0.10 N/A 0.36 4.43 0.0 PNG
20251126 02:20:00 HIMAWARI Vis 4.70 98.04 45.0 3.35 99.50 1.24 0.15 N/A 0.32 3.82 0.0 PNG
20251126 02:50:00 SSMISF17 89GHz 4.70 98.16 45.0 4.45 97.51 1.24 0.15 0.44 0.36 3.38 3.6 PNG
20251126 03:20:00 SSMISF17 89GHz 4.70 98.16 45.0 4.44 97.49 1.24 0.15 0.44 0.36 3.30 3.6 PNG
20251126 03:50:00 HIMAWARI Vis 4.50 97.76 45.0 2.52 98.07 1.39 0.15 N/A 0.29 3.41 0.0 PNG
20251126 04:20:00 HIMAWARI Vis 4.50 97.75 45.0 2.80 97.95 0.49 0.15 N/A 0.72 9.62 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.50 97.73 45.0 2.80 97.93 0.64 0.05 N/A 0.57 7.37 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.49 97.71 45.0 2.79 97.91 0.54 0.05 N/A 0.67 8.81 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.49 97.69 45.0 2.71 97.89 0.63 0.40 N/A 0.58 7.51 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.48 97.67 45.0 2.78 97.92 0.69 0.15 N/A 0.53 6.85 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.48 97.65 45.0 2.78 97.90 0.67 0.15 N/A 0.55 7.10 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 4.47 97.62 35.0 2.77 97.88 0.76 0.20 N/A 0.49 6.22 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.83 98.27 35.0 1.86 98.04 0.91 0.10 N/A 0.42 5.23 0.0 PNG
20251126 04:30:00 AMSR2 89GHz 3.82 98.28 35.0 2.22 97.13 0.90 0.50 0.32 0.80 5.26 10.2 PNG
20251126 04:30:00 HIMAWARI Vis 3.80 98.30 35.0 1.83 98.02 0.86 0.10 N/A 0.44 5.53 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.79 98.32 35.0 1.84 98.02 0.97 0.10 N/A 0.40 4.88 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.77 98.33 35.0 2.82 97.93 1.52 0.15 N/A 0.27 3.13 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.76 98.35 35.0 1.83 98.02 1.17 0.10 N/A 0.34 4.06 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.75 98.37 35.0 1.80 98.02 0.91 0.05 N/A 0.42 5.21 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.73 98.38 35.0 1.83 98.03 0.97 0.10 N/A 0.40 4.89 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.72 98.40 35.0 1.82 98.02 1.25 0.10 N/A 0.32 3.81 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.72 98.42 35.0 1.82 98.02 0.96 0.10 N/A 0.40 4.94 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.71 98.43 35.0 1.76 98.08 0.86 0.20 N/A 0.44 5.54 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.45 35.0 1.83 98.02 1.09 0.10 N/A 0.36 4.35 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.67 35.0 1.78 98.22 0.83 0.05 N/A 0.45 5.70 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.68 35.0 1.78 98.21 0.92 0.05 N/A 0.41 5.15 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.70 35.0 1.78 98.22 0.95 0.05 N/A 0.40 4.98 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.72 35.0 1.77 98.22 0.88 0.05 N/A 0.43 5.39 0.0 PNG
20251126 04:30:00 HIMAWARI Vis 3.70 98.74 35.0 1.77 98.21 0.98 0.05 N/A 0.39 4.85 0.0 PNG
20251126 16:20:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.61 0.90 0.50 0.32 0.80 3.05 10.2 PNG
20251126 16:50:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.64 0.90 0.50 0.32 0.80 2.95 10.2 PNG
20251126 17:30:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.68 0.90 0.50 0.32 0.80 2.82 10.2 PNG
20251126 17:50:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.69 0.90 0.50 0.32 0.80 2.75 10.2 PNG
20251126 18:20:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.72 0.90 0.50 0.32 0.80 2.66 10.2 PNG
20251126 18:50:00 AMSR2 89GHz 3.82 98.28 35.0 2.10 97.75 0.90 0.50 0.32 0.80 2.57 10.2 PNG
20251126 20:20:00 HIMAWARI IR 3.60 99.98 30.0 1.60 99.98 2.10 0.15 0.74 0.44 2.26 47.5 PNG
20251126 20:50:00 HIMAWARI IR 3.60 100.00 30.0 1.70 100.08 1.73 0.25 0.61 0.49 2.74 48.3 PNG
20251126 21:20:00 HIMAWARI SWIR 3.60 100.02 30.0 4.97 100.97 3.85 0.30 N/A 0.18 1.23 0.0 PNG
20251126 21:50:00 HIMAWARI SWIR 3.60 100.04 30.0 5.32 101.04 2.58 0.05 N/A 0.25 1.84 0.0 PNG
20251126 22:20:00 HIMAWARI IR 3.60 100.06 30.0 1.77 100.81 2.59 0.20 0.91 0.39 1.83 33.0 PNG
20251126 22:50:00 HIMAWARI IR 3.59 100.08 30.0 1.74 100.83 3.95 0.15 1.40 0.33 1.20 14.3 PNG
20251126 23:20:00 HIMAWARI SWIR 3.59 100.10 30.0 1.74 100.85 1.58 0.25 N/A 0.39 3.01 0.0 PNG
20251126 23:50:00 HIMAWARI IR 3.59 100.12 30.0 1.74 100.73 2.16 0.10 0.77 0.43 2.19 22.0 PNG
20251127 00:30:00 SSMISF17 89GHz 3.58 100.15 30.0 4.38 101.10 1.01 0.90 0.36 0.63 4.70 4.0 PNG
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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 |
