Tropical Depression 08W
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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 .
20250715 05:20:00 HIMAWARI Vis 32.15 140.38 35.0 31.63 142.65 6.85 0.05 N/A 0.11 0.69 0.0 PNG
20250715 05:50:00 HIMAWARI IR 32.40 140.39 35.0 32.75 142.17 8.51 0.35 3.01 0.27 0.56 8.8 PNG
20250715 06:30:00 HIMAWARI IR 32.64 140.40 35.0 33.69 139.19 9.49 0.20 3.36 0.08 0.50 9.6 PNG
20250715 07:00:00 HIMAWARI SWIR 32.89 140.41 35.0 33.09 138.12 3.51 0.10 N/A 0.20 1.35 0.0 PNG
20250715 07:20:00 HIMAWARI SWIR 33.13 140.43 35.0 33.36 138.10 4.18 0.05 N/A 0.17 1.14 0.0 PNG
20250715 07:50:00 HIMAWARI IR 33.38 140.44 35.0 34.35 138.76 9.49 0.10 3.36 0.26 0.50 49.7 PNG
20250715 08:20:00 HIMAWARI SWIR 33.96 140.87 40.0 33.91 140.93 2.20 0.05 N/A 0.29 2.15 0.0 PNG
20250715 08:50:00 HIMAWARI SWIR 34.21 140.90 40.0 33.88 138.60 0.97 0.05 N/A 0.61 4.91 0.0 PNG
20250715 09:20:00 HIMAWARI SWIR 34.46 140.93 40.0 34.16 138.54 1.04 0.40 N/A 0.57 4.58 0.0 PNG
20250715 09:50:00 HIMAWARI SWIR 34.71 140.97 40.0 34.56 139.72 3.81 0.25 N/A 0.19 1.25 0.0 PNG
20250715 10:20:00 HIMAWARI IR 34.96 141.00 40.0 34.83 141.31 9.49 0.10 3.36 0.07 0.50 6.7 PNG
20250715 10:50:00 HIMAWARI IR 35.20 141.03 40.0 34.53 139.05 8.14 0.05 2.88 0.27 0.58 47.9 PNG
20250715 11:20:00 HIMAWARI IR 35.45 141.07 40.0 35.00 139.04 9.49 0.30 3.36 0.11 0.50 14.7 PNG
20250715 12:00:00 HIMAWARI SWIR 35.70 141.10 40.0 35.50 140.27 8.73 0.45 N/A 0.11 0.54 0.0 PNG
20250715 12:20:00 HIMAWARI SWIR 35.94 141.13 40.0 35.72 140.36 5.25 0.10 N/A 0.15 0.90 0.0 PNG
20250715 12:50:00 HIMAWARI SWIR 36.19 141.17 40.0 36.09 140.83 2.80 0.05 N/A 0.24 1.69 0.0 PNG
20250715 13:20:00 HIMAWARI IR 36.43 141.20 40.0 36.41 140.95 9.49 0.15 3.36 0.08 0.50 8.1 PNG
20250715 13:50:00 HIMAWARI IR 36.68 141.23 40.0 37.15 141.80 9.49 0.10 3.36 0.21 0.50 43.5 PNG
20250715 14:20:00 HIMAWARI IR 37.76 141.25 40.0 37.63 141.63 4.64 0.40 1.64 0.31 1.02 45.0 PNG
20250715 14:50:00 HIMAWARI SWIR 38.01 141.30 40.0 37.81 141.62 2.95 0.45 N/A 0.23 1.61 0.0 PNG
20250715 15:20:00 HIMAWARI IR 38.26 141.35 40.0 38.06 141.83 9.49 0.40 3.36 0.06 0.50 5.0 PNG
20250715 15:50:00 HIMAWARI IR 38.51 141.40 40.0 38.38 141.69 9.49 0.40 3.36 0.17 0.50 10.1 PNG
20250715 16:20:00 HIMAWARI SWIR 38.76 141.45 40.0 38.51 141.96 2.70 0.30 N/A 0.24 1.75 0.0 PNG
20250715 16:50:00 HIMAWARI IR 39.01 141.50 40.0 38.73 144.04 1.85 0.15 0.65 0.47 2.56 23.7 PNG
20250715 17:20:00 HIMAWARI SWIR 39.26 141.54 40.0 38.96 144.06 2.49 0.05 N/A 0.26 1.90 0.0 PNG
20250715 17:50:00 HIMAWARI SWIR 39.51 141.59 40.0 39.16 143.99 1.81 0.05 N/A 0.34 2.62 0.0 PNG
20250715 18:20:00 HIMAWARI SWIR 39.76 141.64 40.0 39.51 144.11 1.53 0.15 N/A 0.40 3.09 0.0 PNG
20250715 18:50:00 HIMAWARI IR 40.13 141.70 40.0 40.01 143.99 3.49 0.25 1.24 0.35 1.36 9.1 PNG
20250715 19:20:00 HIMAWARI SWIR 40.26 141.73 25.0 40.01 142.28 3.77 0.20 N/A 0.19 1.26 0.0 PNG
20250715 19:50:00 GMI 89GHz 40.51 141.77 40.0 40.71 142.30 1.57 0.60 0.56 0.12 3.02 0.8 PNG
20250715 20:20:00 AMSR2 89GHz 40.59 142.09 25.0 40.34 140.77 1.38 0.75 0.49 0.25 3.44 1.1 PNG
20250715 20:50:00 AMSR2 89GHz 40.59 142.09 25.0 40.48 140.84 1.38 0.75 0.49 0.25 3.03 1.1 PNG
20250715 21:20:00 AMSR2 89GHz 40.59 142.09 25.0 40.70 140.95 1.38 0.75 0.49 0.25 2.95 1.1 PNG
20250715 21:50:00 SSMISF17 89GHz 41.24 142.44 25.0 40.29 140.91 0.96 0.75 0.34 0.71 4.95 4.4 PNG
20250715 22:20:00 SSMISF17 89GHz 41.24 142.44 25.0 40.45 140.95 0.96 0.75 0.34 0.71 4.77 4.4 PNG
20250715 22:50:00 SSMISF17 89GHz 41.24 142.44 25.0 40.68 141.06 0.96 0.75 0.34 0.71 4.67 4.4 PNG
20250715 23:20:00 SSMISF17 89GHz 41.24 142.44 25.0 40.91 141.16 0.96 0.75 0.34 0.71 4.55 4.4 PNG
20250715 23:50:00 SSMISF17 89GHz 41.24 142.44 25.0 41.13 141.27 0.96 0.75 0.34 0.71 4.42 4.4 PNG
20250716 00:20:00 SSMISF17 89GHz 41.24 142.44 25.0 41.36 141.37 0.96 0.75 0.34 0.71 4.30 4.4 PNG
20250716 00:50:00 SSMISF17 89GHz 41.24 142.44 25.0 41.59 141.48 0.96 0.75 0.34 0.71 4.17 4.4 PNG
20250716 01:20:00 HIMAWARI Vis 42.78 143.28 25.0 41.38 145.22 0.76 0.05 N/A 0.49 6.26 0.0 PNG
20250716 01:50:00 HIMAWARI Vis 43.01 143.40 25.0 41.63 145.38 0.80 0.20 N/A 0.47 5.96 0.0 PNG
20250716 02:20:00 HIMAWARI Vis 43.23 143.53 20.0 41.88 145.55 0.86 0.05 N/A 0.44 5.49 0.0 PNG
20250716 02:50:00 SSMISF17 89GHz 41.24 142.44 25.0 42.49 141.94 0.96 0.75 0.34 0.71 3.65 4.4 PNG
20250716 03:20:00 SSMISF17 89GHz 41.24 142.44 25.0 42.72 142.05 0.96 0.75 0.34 0.71 3.53 4.4 PNG
20250716 03:50:00 GMI 89GHz 43.90 143.90 20.0 44.35 145.84 1.26 0.85 0.45 0.34 3.76 3.4 PNG
20250716 04:20:00 AMSR2 89GHz 44.13 144.02 25.0 43.73 144.16 0.68 0.95 0.24 1.33 7.00 15.3 PNG
20250716 04:50:00 AMSR2 89GHz 44.13 144.02 25.0 43.91 144.18 0.68 0.95 0.24 1.33 6.80 15.3 PNG
20250716 05:20:00 AMSR2 89GHz 44.13 144.02 25.0 44.12 144.33 0.68 0.95 0.24 1.33 6.62 15.3 PNG
20250716 05:50:00 AMSR2 89GHz 44.13 144.02 25.0 44.33 144.48 0.68 0.95 0.24 1.33 6.41 15.3 PNG
20250716 06:20:00 AMSR2 89GHz 44.13 144.02 25.0 44.54 144.64 0.68 0.95 0.24 1.33 6.19 15.3 PNG
20250716 06:50:00 AMSR2 89GHz 44.13 144.02 25.0 44.74 144.80 0.68 0.95 0.24 1.33 5.96 15.3 PNG
20250716 07:20:00 AMSR2 89GHz 44.13 144.02 25.0 44.95 144.96 0.68 0.95 0.24 1.33 5.73 15.3 PNG
20250716 07:50:00 AMSR2 89GHz 44.13 144.02 25.0 45.14 145.14 0.68 0.95 0.24 1.33 5.50 15.3 PNG
20250716 08:20:00 AMSR2 89GHz 44.13 144.02 25.0 45.34 145.33 0.68 0.95 0.24 1.33 5.27 15.3 PNG
20250716 08:50:00 AMSR2 89GHz 44.13 144.02 25.0 45.52 145.53 0.68 0.95 0.24 1.33 5.05 15.3 PNG
20250716 09:20:00 AMSR2 89GHz 44.13 144.02 25.0 45.70 145.74 0.68 0.95 0.24 1.33 4.84 15.3 PNG
20250716 09:50:00 AMSR2 89GHz 44.13 144.02 25.0 45.88 145.95 0.68 0.95 0.24 1.33 4.63 15.3 PNG
20250716 10:20:00 AMSR2 89GHz 44.13 144.02 25.0 46.05 146.18 0.68 0.95 0.24 1.33 4.44 15.3 PNG
20250716 10:50:00 AMSR2 89GHz 44.13 144.02 25.0 46.22 146.43 0.68 0.95 0.24 1.33 4.25 15.3 PNG
20250716 11:20:00 AMSR2 89GHz 44.13 144.02 25.0 46.38 146.68 0.68 0.95 0.24 1.33 4.07 15.3 PNG
20250716 11:50:00 AMSR2 89GHz 44.13 144.02 25.0 46.53 146.94 0.68 0.95 0.24 1.33 3.90 15.3 PNG
20250716 12:20:00 AMSR2 89GHz 44.13 144.02 25.0 46.64 147.28 0.68 0.95 0.24 1.33 3.74 15.3 PNG
20250716 12:50:00 AMSR2 89GHz 44.13 144.02 25.0 46.78 147.57 0.68 0.95 0.24 1.33 3.59 15.3 PNG
20250716 13:20:00 AMSR2 89GHz 44.13 144.02 25.0 46.92 147.87 0.68 0.95 0.24 1.33 3.45 15.3 PNG
20250716 13:50:00 AMSR2 89GHz 44.13 144.02 25.0 47.04 148.18 0.68 0.95 0.24 1.33 3.31 15.3 PNG
20250716 14:20:00 AMSR2 89GHz 44.13 144.02 25.0 47.17 148.50 0.68 0.95 0.24 1.33 3.18 15.3 PNG
20250716 14:50:00 AMSR2 89GHz 44.13 144.02 25.0 47.29 148.83 0.68 0.95 0.24 1.33 3.06 15.3 PNG
20250716 15:20:00 AMSR2 89GHz 44.13 144.02 25.0 47.40 149.18 0.68 0.95 0.24 1.33 2.94 15.3 PNG
20250716 15:50:00 HIMAWARI SWIR 47.87 149.70 20.0 46.32 151.57 1.68 0.30 N/A 0.37 2.83 0.0 PNG
20250716 16:20:00 HIMAWARI SWIR 47.92 150.13 20.0 46.57 151.89 1.82 0.05 N/A 0.34 2.61 0.0 PNG
20250716 16:50:00 HIMAWARI SWIR 47.99 150.55 20.0 46.69 152.41 1.49 0.05 N/A 0.41 3.19 0.0 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 |