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 .
20241129 20:30:00 METEOSAT SWIR 12.50 81.60 40.0 14.10 80.65 1.61 0.15 N/A 0.38 2.94 0.0 PNG
20241129 21:00:00 METEOSAT SWIR 12.52 81.57 40.0 14.42 80.95 2.81 0.10 N/A 0.24 1.69 0.0 PNG
20241129 22:00:00 AMSR2 89GHz 12.55 81.51 40.0 12.95 82.28 1.13 2.50 N/A 0.48 4.22 0.0 PNG
20241129 22:30:00 AMSR2 89GHz 12.55 81.51 40.0 12.95 82.29 1.13 2.50 N/A 0.48 4.00 0.0 PNG
20241129 23:00:00 AMSR2 89GHz 12.55 81.51 40.0 12.97 82.26 1.13 2.50 N/A 0.48 3.91 0.0 PNG
20241129 23:30:00 AMSR2 89GHz 12.55 81.51 40.0 12.99 82.23 1.13 2.50 N/A 0.48 3.82 0.0 PNG
20241130 00:00:00 AMSR2 89GHz 12.55 81.51 40.0 13.01 82.21 1.13 2.50 N/A 0.48 3.73 0.0 PNG
20241130 00:30:00 AMSR2 89GHz 12.55 81.51 40.0 13.02 82.19 1.13 2.50 N/A 0.48 3.63 0.0 PNG
20241130 01:00:00 SSMISF17 89GHz 12.65 81.35 50.0 12.35 81.96 1.16 1.00 0.41 0.44 4.09 2.8 PNG
20241130 01:30:00 SSMISF17 89GHz 12.65 81.35 50.0 12.25 82.07 1.16 1.00 0.41 0.44 3.98 2.8 PNG
20241130 02:00:00 SSMISF17 89GHz 12.65 81.35 50.0 12.27 82.05 1.16 1.00 0.41 0.44 3.91 2.8 PNG
20241130 02:30:00 SSMISF17 89GHz 12.65 81.35 50.0 12.28 82.03 1.16 1.00 0.41 0.44 3.83 2.8 PNG
20241130 03:00:00 METEOSAT Vis 12.62 81.38 50.0 12.57 82.51 1.12 0.20 N/A 0.35 4.23 0.0 PNG
20241130 03:30:00 METEOSAT Vis 12.63 81.36 50.0 12.53 82.80 0.68 0.25 N/A 0.54 6.97 0.0 PNG
20241130 04:00:00 GMI 89GHz 12.63 81.36 50.0 11.93 81.51 0.75 0.10 0.26 1.13 6.30 8.9 PNG
20241130 04:30:00 METEOSAT Vis 12.66 81.33 50.0 10.86 81.07 0.54 0.20 N/A 0.67 8.86 0.0 PNG
20241130 05:00:00 METEOSAT Vis 12.68 81.31 50.0 10.70 81.03 0.42 0.25 N/A 0.84 11.30 0.0 PNG
20241130 05:30:00 METEOSAT Vis 12.69 81.29 50.0 10.71 81.14 0.54 0.30 N/A 0.67 8.78 0.0 PNG
20241130 06:00:00 GMI 89GHz 12.63 81.36 50.0 11.98 81.42 0.75 0.10 0.26 1.13 5.69 8.9 PNG
20241130 06:30:00 METEOSAT Vis 12.71 81.25 45.0 10.84 80.56 0.50 0.05 N/A 0.71 9.48 0.0 PNG
20241130 07:00:00 GMI 89GHz 12.63 81.36 50.0 12.00 81.38 0.75 0.10 0.26 1.13 5.31 8.9 PNG
20241130 07:30:00 GMI 89GHz 12.63 81.36 50.0 11.69 81.01 0.75 0.10 0.26 1.13 5.11 8.9 PNG
20241130 08:00:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.23 0.72 0.10 0.26 1.20 6.57 36.9 PNG
20241130 08:30:00 METEOSAT Vis 12.40 80.80 45.0 10.75 79.83 0.50 0.10 N/A 0.72 9.58 0.0 PNG
20241130 09:00:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.21 0.72 0.10 0.26 1.20 6.20 36.9 PNG
20241130 09:30:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.19 0.72 0.10 0.26 1.20 6.02 36.9 PNG
20241130 10:00:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.16 0.72 0.10 0.26 1.20 5.82 36.9 PNG
20241130 10:30:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.14 0.72 0.10 0.26 1.20 5.61 36.9 PNG
20241130 11:00:00 AMSR2 89GHz 12.40 80.82 45.0 12.15 81.11 0.72 0.10 0.26 1.20 5.40 36.9 PNG
20241130 11:30:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.21 0.88 0.40 0.31 0.83 5.28 7.1 PNG
20241130 12:00:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.18 0.88 0.40 0.31 0.83 5.18 7.1 PNG
20241130 12:30:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.16 0.88 0.40 0.31 0.83 5.06 7.1 PNG
20241130 13:00:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.13 0.88 0.40 0.31 0.83 4.92 7.1 PNG
20241130 13:30:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.10 0.88 0.40 0.31 0.83 4.78 7.1 PNG
20241130 14:00:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.07 0.88 0.40 0.31 0.83 4.64 7.1 PNG
20241130 14:30:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.06 0.88 0.40 0.31 0.83 4.49 7.1 PNG
20241130 15:00:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.04 0.88 0.40 0.31 0.83 4.34 7.1 PNG
20241130 15:30:00 SSMISF18 89GHz 12.40 80.72 45.0 12.85 80.02 0.88 0.40 0.31 0.83 4.19 7.1 PNG
20241130 16:00:00 SSMISF18 89GHz 12.40 80.72 45.0 12.84 80.01 0.88 0.40 0.31 0.83 4.05 7.1 PNG
20241130 16:30:00 GMI 89GHz 12.39 80.43 45.0 12.89 80.12 0.89 0.95 0.31 0.83 5.34 28.0 PNG
20241130 17:00:00 GMI 89GHz 12.39 80.42 45.0 12.34 81.65 0.91 2.50 N/A 0.79 5.24 0.0 PNG
20241130 17:30:00 GMI 89GHz 12.39 80.42 45.0 12.33 81.65 0.91 2.50 N/A 0.79 5.18 0.0 PNG
20241130 18:00:00 GMI 89GHz 12.39 80.42 45.0 12.32 81.63 0.91 2.50 N/A 0.79 5.10 0.0 PNG
20241130 18:30:00 GMI 89GHz 12.39 80.42 45.0 12.32 81.61 0.91 2.50 N/A 0.79 4.99 0.0 PNG
20241130 19:00:00 GMI 89GHz 12.39 80.42 45.0 12.31 81.60 0.91 2.50 N/A 0.79 4.87 0.0 PNG
20241130 19:30:00 GMI 89GHz 12.39 80.42 45.0 12.15 81.38 0.91 2.50 N/A 0.79 4.74 0.0 PNG
20241130 20:00:00 GMI 89GHz 12.39 80.42 45.0 12.15 81.36 0.91 2.50 N/A 0.79 4.60 0.0 PNG
20241130 20:30:00 GMI 89GHz 12.39 80.42 45.0 12.15 81.35 0.91 2.50 N/A 0.79 4.46 0.0 PNG
20241130 21:00:00 GMI 89GHz 12.39 80.42 45.0 12.15 81.33 0.91 2.50 N/A 0.79 4.32 0.0 PNG
20241130 21:30:00 GMI 89GHz 12.39 80.42 45.0 12.14 81.32 0.91 2.50 N/A 0.79 4.17 0.0 PNG
20241130 22:00:00 METEOSAT IR 12.20 80.05 40.0 10.75 81.46 1.03 0.15 0.36 0.68 4.62 77.0 PNG
20241130 22:30:00 METEOSAT IR 12.20 80.04 40.0 10.70 81.32 0.61 0.10 0.22 0.99 7.76 100.0 PNG
20241130 23:00:00 GMI 89GHz 12.39 80.42 45.0 12.13 81.28 0.91 2.50 N/A 0.79 3.76 0.0 PNG
20241130 23:30:00 GMI 89GHz 12.39 80.42 45.0 12.13 81.27 0.91 2.50 N/A 0.79 3.63 0.0 PNG
20241201 00:00:00 GMI 89GHz 12.39 80.42 45.0 12.12 81.26 0.91 2.50 N/A 0.79 3.50 0.0 PNG
20241201 00:30:00 METEOSAT IR 12.18 79.99 40.0 10.48 81.06 1.20 0.20 0.43 0.61 3.95 46.9 PNG
20241201 01:00:00 METEOSAT SWIR 12.17 79.97 35.0 10.47 81.05 1.21 0.30 N/A 0.49 3.91 0.0 PNG
20241201 01:30:00 METEOSAT SWIR 12.10 79.93 35.0 10.40 81.01 1.35 0.45 N/A 0.45 3.52 0.0 PNG
20241201 02:00:00 METEOSAT IR 12.10 79.92 35.0 10.25 80.68 1.37 0.50 0.48 0.56 3.47 39.5 PNG
20241201 02:30:00 GMI 89GHz 12.39 80.42 45.0 12.04 81.15 0.91 2.50 N/A 0.79 2.94 0.0 PNG
20241201 03:00:00 METEOSAT Vis 12.10 79.88 35.0 10.38 80.91 1.51 0.30 N/A 0.28 3.15 0.0 PNG
20241201 03:30:00 METEOSAT Vis 12.10 79.87 35.0 10.25 80.64 0.55 0.40 N/A 0.66 8.67 0.0 PNG
20241201 04:00:00 METEOSAT IR 12.10 79.85 35.0 10.25 80.62 1.42 0.15 0.50 0.55 3.34 11.6 PNG
20241201 04:30:00 METEOSAT Vis 12.10 79.84 35.0 10.28 80.66 1.03 0.15 N/A 0.38 4.60 0.0 PNG
20241201 05:00:00 METEOSAT Vis 12.10 79.82 40.0 10.23 80.51 0.57 0.15 N/A 0.64 8.39 0.0 PNG
20241201 05:30:00 METEOSAT IR 12.10 79.81 40.0 10.50 80.32 2.25 0.40 0.80 0.42 2.11 12.2 PNG
20241201 06:00:00 METEOSAT SWIR 12.10 79.80 40.0 10.13 79.90 2.18 0.15 N/A 0.29 2.18 0.0 PNG
20241201 06:30:00 METEOSAT SWIR 12.10 79.79 35.0 10.13 79.86 2.70 0.45 N/A 0.25 1.76 0.0 PNG
20241201 07:00:00 METEOSAT SWIR 12.10 79.77 35.0 10.13 79.72 2.02 0.05 N/A 0.31 2.35 0.0 PNG
20241201 07:30:00 METEOSAT SWIR 12.10 79.83 35.0 10.13 79.53 3.17 0.40 N/A 0.22 1.50 0.0 PNG
20241201 08:00:00 METEOSAT Vis 12.10 79.82 35.0 11.95 79.76 1.07 0.10 N/A 0.37 4.44 0.0 PNG
20241201 08:30:00 AMSR2 89GHz 12.10 79.80 35.0 11.95 79.95 1.30 0.50 0.46 0.31 3.65 2.2 PNG
20241201 09:00:00 AMSR2 89GHz 12.10 79.80 35.0 11.95 79.95 1.30 0.50 0.46 0.31 3.60 2.2 PNG
20241201 09:30:00 AMSR2 89GHz 12.10 79.80 35.0 11.95 79.93 1.30 0.50 0.46 0.31 3.55 2.2 PNG
20241201 10:00:00 AMSR2 89GHz 12.10 79.80 35.0 11.95 79.91 1.30 0.50 0.46 0.31 3.50 2.2 PNG
20241201 10:30:00 AMSR2 89GHz 12.10 79.80 35.0 11.96 79.89 1.30 0.50 0.46 0.31 3.43 2.2 PNG
20241201 11:00:00 AMSR2 89GHz 12.10 79.80 35.0 11.96 79.87 1.30 0.50 0.46 0.31 3.36 2.2 PNG
20241201 11:30:00 AMSR2 89GHz 12.10 79.80 35.0 11.96 79.85 1.30 0.50 0.46 0.31 3.29 2.2 PNG
20241201 12:00:00 AMSR2 89GHz 12.10 79.80 35.0 11.97 79.83 1.30 0.50 0.46 0.31 3.21 2.2 PNG
20241201 12:30:00 AMSR2 89GHz 12.10 79.80 35.0 11.97 79.81 1.30 0.50 0.46 0.31 3.13 2.2 PNG
20241201 13:00:00 SSMISF17 89GHz 12.12 79.62 30.0 12.22 79.67 1.09 1.55 0.39 0.52 4.34 3.1 PNG
20241201 13:30:00 SSMISF17 89GHz 12.12 79.62 30.0 12.23 79.67 1.09 1.55 0.39 0.52 4.30 3.1 PNG
20241201 14:00:00 SSMISF17 89GHz 12.12 79.62 30.0 12.24 79.65 1.09 1.55 0.39 0.52 4.24 3.1 PNG
20241201 14:30:00 SSMISF17 89GHz 12.12 79.62 30.0 12.24 79.62 1.09 1.55 0.39 0.52 4.16 3.1 PNG
20241201 15:00:00 SSMISF17 89GHz 12.12 79.62 30.0 12.25 79.60 1.09 1.55 0.39 0.52 4.07 3.1 PNG
20241201 15:30:00 SSMISF17 89GHz 12.12 79.62 30.0 12.26 79.58 1.09 1.55 0.39 0.52 3.98 3.1 PNG
20241201 16:00:00 GMI 89GHz 12.17 79.48 30.0 12.17 79.48 1.02 0.75 0.36 0.61 4.63 3.7 PNG
20241201 16:30:00 GMI 89GHz 12.17 79.48 30.0 12.17 79.48 1.02 0.75 0.36 0.61 4.62 3.7 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 |
