Tropical Depression 18P
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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 .
20260128 08:20:00 HIMAWARI SWIR -17.66 172.37 35.0 -18.61 172.05 1.75 0.05 N/A 0.36 2.71 0.0 PNG
20260128 09:00:00 HIMAWARI IR -17.81 172.40 35.0 -18.56 172.82 0.64 0.45 N/A 0.96 7.40 0.0 PNG
20260128 09:30:00 HIMAWARI IR -17.96 172.43 35.0 -18.76 172.85 0.65 0.20 0.23 0.94 7.27 1.0 PNG
20260128 09:50:00 HIMAWARI IR -18.11 172.47 35.0 -18.81 172.94 0.49 0.15 0.17 1.19 9.67 12.3 PNG
20260128 10:20:00 HIMAWARI IR -18.26 172.50 35.0 -18.96 173.03 0.57 0.05 0.20 1.05 8.28 44.3 PNG
20260128 10:50:00 HIMAWARI IR -18.41 172.53 35.0 -19.16 173.04 0.50 0.20 0.18 1.17 9.48 14.3 PNG
20260128 11:20:00 HIMAWARI IR -18.56 172.57 35.0 -19.24 173.04 0.61 0.05 0.22 1.00 7.79 5.9 PNG
20260128 11:50:00 HIMAWARI IR -18.72 172.60 35.0 -19.29 173.02 0.52 0.25 0.18 1.14 9.17 1.0 PNG
20260128 12:20:00 HIMAWARI IR -18.87 172.63 35.0 -19.50 173.03 0.51 0.05 0.18 1.15 9.28 7.1 PNG
20260128 12:50:00 HIMAWARI IR -19.03 172.67 35.0 -19.58 173.04 0.66 0.50 0.23 0.94 7.24 3.5 PNG
20260128 13:20:00 HIMAWARI IR -19.18 172.70 40.0 -19.73 173.07 0.56 0.20 0.20 1.07 8.48 2.1 PNG
20260128 13:50:00 HIMAWARI IR -19.51 173.68 40.0 -20.08 173.10 0.62 0.05 0.22 0.98 7.66 7.5 PNG
20260128 14:20:00 HIMAWARI IR -19.66 173.68 40.0 -20.36 173.10 0.45 0.50 0.16 1.27 10.50 5.5 PNG
20260128 14:50:00 HIMAWARI IR -19.81 173.67 40.0 -20.58 173.17 0.50 0.05 0.18 1.18 9.58 13.0 PNG
20260128 15:20:00 HIMAWARI IR -19.96 173.67 40.0 -20.86 173.14 0.50 0.20 0.18 1.17 9.52 1.1 PNG
20260128 15:50:00 HIMAWARI IR -20.11 173.67 40.0 -21.16 173.08 0.38 0.10 0.13 1.49 12.65 1.9 PNG
20260128 16:20:00 HIMAWARI IR -20.26 173.66 40.0 -21.36 173.08 0.64 0.05 0.23 0.95 7.37 6.7 PNG
20260128 16:50:00 HIMAWARI IR -20.41 173.66 40.0 -21.58 173.02 0.69 0.30 0.24 0.91 6.92 11.0 PNG
20260128 17:20:00 HIMAWARI IR -20.56 173.65 45.0 -21.76 173.23 0.53 0.05 0.19 1.11 8.95 48.7 PNG
20260128 17:50:00 HIMAWARI IR -20.71 173.65 45.0 -21.93 173.06 0.50 0.30 0.18 1.16 9.42 2.3 PNG
20260128 18:20:00 HIMAWARI IR -20.86 173.65 45.0 -22.08 173.11 0.50 0.05 0.18 1.17 9.54 7.2 PNG
20260128 18:50:00 HIMAWARI IR -21.66 173.77 45.0 -22.26 173.28 0.49 0.35 0.17 1.19 9.75 6.8 PNG
20260128 19:20:00 SSMISF17 89GHz -21.79 173.75 45.0 -22.34 173.80 0.39 0.30 0.14 2.95 12.30 85.2 PNG
20260128 19:50:00 SSMISF17 89GHz -21.79 173.75 45.0 -22.44 173.78 0.39 0.30 0.14 2.95 11.00 85.2 PNG
20260128 20:20:00 SSMISF17 89GHz -21.79 173.75 45.0 -22.57 173.77 0.39 0.30 0.14 2.95 10.41 85.2 PNG
20260128 20:50:00 GMI 89GHz -22.21 173.70 45.0 -22.91 173.21 0.40 0.20 0.14 2.84 11.95 93.3 PNG
20260128 21:20:00 GMI 89GHz -22.21 173.70 45.0 -22.99 173.20 0.40 0.20 0.14 2.84 11.45 93.3 PNG
20260128 21:50:00 GMI 89GHz -22.21 173.70 45.0 -23.12 173.19 0.40 0.20 0.14 2.84 10.96 93.3 PNG
20260128 22:20:00 GMI 89GHz -22.21 173.70 45.0 -23.26 173.18 0.40 0.20 0.14 2.84 10.42 93.3 PNG
20260128 22:50:00 GMI 89GHz -22.21 173.70 45.0 -23.39 173.17 0.40 0.20 0.14 2.84 9.85 93.3 PNG
20260128 23:20:00 GMI 89GHz -22.21 173.70 45.0 -23.53 173.16 0.40 0.20 0.14 2.84 9.29 93.3 PNG
20260128 23:50:00 GMI 89GHz -22.21 173.70 45.0 -23.66 173.15 0.40 0.20 0.14 2.84 8.74 93.3 PNG
20260129 00:20:00 GMI 89GHz -22.21 173.70 45.0 -23.79 173.14 0.40 0.20 0.14 2.84 8.22 93.3 PNG
20260129 01:00:00 GMI 89GHz -22.21 173.70 45.0 -23.97 173.13 0.40 0.20 0.14 2.84 7.57 93.3 PNG
20260129 01:00:00 GMI 89GHz -22.21 173.70 45.0 -23.97 173.13 0.40 0.20 0.14 2.84 7.57 93.3 PNG
20260129 01:50:00 GMI 89GHz -22.21 173.70 45.0 -24.18 173.09 0.40 0.20 0.14 2.84 6.84 93.3 PNG
20260129 02:20:00 GMI 89GHz -22.21 173.70 45.0 -24.31 173.08 0.40 0.20 0.14 2.84 6.44 93.3 PNG
20260129 02:50:00 GMI 89GHz -22.21 173.70 45.0 -24.44 173.06 0.40 0.20 0.14 2.84 6.07 93.3 PNG
20260129 03:20:00 GMI 89GHz -22.21 173.70 45.0 -24.56 173.05 0.40 0.20 0.14 2.84 5.73 93.3 PNG
20260129 03:50:00 GMI 89GHz -22.21 173.70 45.0 -24.69 173.04 0.40 0.20 0.14 2.84 5.41 93.3 PNG
20260129 04:20:00 GMI 89GHz -22.21 173.70 45.0 -24.81 173.03 0.40 0.20 0.14 2.84 5.12 93.3 PNG
20260129 04:50:00 HIMAWARI IR -24.26 173.43 55.0 -26.11 172.99 0.62 0.10 N/A 0.98 7.66 0.0 PNG
20260129 05:20:00 HIMAWARI IR -24.38 173.42 55.0 -26.33 172.95 0.52 0.05 N/A 1.14 9.16 0.0 PNG
20260129 05:50:00 HIMAWARI IR -24.50 173.40 55.0 -26.45 172.93 0.84 0.15 0.30 0.78 5.66 3.1 PNG
20260129 06:20:00 HIMAWARI IR -24.62 173.38 55.0 -26.60 173.05 0.96 0.20 0.34 0.71 4.93 7.6 PNG
20260129 06:50:00 GMI 89GHz -24.62 173.38 55.0 -24.69 173.24 1.20 1.65 0.43 0.40 3.92 1.5 PNG
20260129 07:30:00 GMI 89GHz -24.62 173.38 55.0 -24.84 173.20 1.20 1.65 0.43 0.40 3.85 1.5 PNG
20260129 07:50:00 GMI 89GHz -24.62 173.38 55.0 -25.21 172.70 1.20 1.65 0.43 0.40 3.81 1.5 PNG
20260129 08:20:00 HIMAWARI SWIR -25.32 172.75 45.0 -24.84 174.88 1.20 0.15 N/A 0.50 3.95 0.0 PNG
20260129 08:50:00 GMI 89GHz -24.62 173.38 55.0 -25.38 172.61 1.20 1.65 0.43 0.40 3.66 1.5 PNG
20260129 09:20:00 GMI 89GHz -24.62 173.38 55.0 -25.46 172.57 1.20 1.65 0.43 0.40 3.58 1.5 PNG
20260129 09:50:00 GMI 89GHz -24.62 173.38 55.0 -25.55 172.52 1.20 1.65 0.43 0.40 3.49 1.5 PNG
20260129 10:20:00 HIMAWARI SWIR -25.65 172.55 45.0 -27.57 172.22 1.34 0.05 N/A 0.45 3.53 0.0 PNG
20260129 10:50:00 HIMAWARI SWIR -25.73 172.50 45.0 -27.68 172.17 1.00 0.05 N/A 0.59 4.72 0.0 PNG
20260129 11:20:00 HIMAWARI SWIR -25.81 172.46 40.0 -27.69 171.90 1.14 0.05 N/A 0.52 4.17 0.0 PNG
20260129 11:50:00 HIMAWARI SWIR -25.89 172.41 40.0 -27.69 171.83 1.07 0.05 N/A 0.55 4.44 0.0 PNG
20260129 12:20:00 HIMAWARI SWIR -25.97 172.36 40.0 -27.85 171.89 0.90 0.05 N/A 0.65 5.26 0.0 PNG
20260129 12:50:00 HIMAWARI IR -26.05 172.32 40.0 -28.00 171.87 0.96 0.15 N/A 0.71 4.95 0.0 PNG
20260129 13:20:00 HIMAWARI SWIR -26.13 172.27 40.0 -28.10 171.94 1.58 0.05 N/A 0.39 3.00 0.0 PNG
20260129 13:50:00 HIMAWARI SWIR -26.40 172.30 40.0 -28.25 171.77 1.23 0.05 N/A 0.49 3.87 0.0 PNG
20260129 14:20:00 GMI 89GHz -24.62 173.38 55.0 -26.44 172.18 1.20 1.65 0.43 0.40 2.71 1.5 PNG
20260129 14:50:00 GMI 89GHz -24.62 173.38 55.0 -26.49 172.11 1.20 1.65 0.43 0.40 2.64 1.5 PNG
20260129 15:20:00 GMI 89GHz -24.62 173.38 55.0 -26.55 172.07 1.20 1.65 0.43 0.40 2.56 1.5 PNG
20260129 15:50:00 GMI 89GHz -24.62 173.38 55.0 -26.61 172.03 1.20 1.65 0.43 0.40 2.48 1.5 PNG
20260129 16:20:00 GMI 89GHz -24.62 173.38 55.0 -26.67 171.99 1.20 1.65 0.43 0.40 2.41 1.5 PNG
20260129 16:50:00 GMI 89GHz -24.62 173.38 55.0 -26.72 171.91 1.20 1.65 0.43 0.40 2.34 1.5 PNG
20260129 17:20:00 GMI 89GHz -24.62 173.38 55.0 -26.78 171.87 1.20 1.65 0.43 0.40 2.28 1.5 PNG
20260129 17:50:00 GMI 89GHz -24.62 173.38 55.0 -26.85 171.83 1.20 1.65 0.43 0.40 2.21 1.5 PNG
20260129 18:20:00 GMI 89GHz -24.62 173.38 55.0 -26.91 171.78 1.20 1.65 0.43 0.40 2.15 1.5 PNG
20260129 18:50:00 AMSR2 89GHz -26.94 171.80 35.0 -26.94 170.01 1.25 2.50 N/A 0.35 3.79 0.0 PNG
20260129 19:20:00 AMSR2 89GHz -26.94 171.80 35.0 -27.02 169.98 1.25 2.50 N/A 0.35 2.93 0.0 PNG
20260129 19:50:00 AMSR2 89GHz -26.94 171.80 35.0 -27.09 169.93 1.25 2.50 N/A 0.35 2.85 0.0 PNG
20260129 20:20:00 HIMAWARI Vis -27.15 171.65 35.0 -27.75 169.71 0.96 0.05 N/A 0.40 4.93 0.0 PNG
20260129 20:50:00 HIMAWARI Vis -27.20 171.60 35.0 -27.95 169.52 0.88 0.05 N/A 0.43 5.42 0.0 PNG
20260129 21:20:00 HIMAWARI Vis -27.25 171.55 35.0 -27.85 169.49 1.25 0.10 N/A 0.32 3.78 0.0 PNG
20260129 21:50:00 HIMAWARI Vis -27.30 171.50 35.0 -28.05 169.47 1.36 0.25 N/A 0.30 3.49 0.0 PNG
20260129 22:20:00 HIMAWARI Vis -27.35 171.45 35.0 -27.92 169.53 1.89 0.30 N/A 0.23 2.51 0.0 PNG
20260129 22:50:00 HIMAWARI Vis -27.40 171.39 35.0 -27.80 169.42 1.16 0.20 N/A 0.34 4.09 0.0 PNG
20260129 23:20:00 HIMAWARI SWIR -27.44 171.34 35.0 -27.34 171.23 1.66 0.30 N/A 0.37 2.87 0.0 PNG
20260129 23:50:00 HIMAWARI SWIR -27.49 171.29 35.0 -27.29 171.12 1.93 0.40 N/A 0.33 2.46 0.0 PNG
20260130 00:30:00 HIMAWARI SWIR -27.54 171.23 35.0 -27.39 170.95 1.62 0.45 N/A 0.38 2.93 0.0 PNG
20260130 00:50:00 HIMAWARI SWIR -27.58 171.18 35.0 -27.13 171.01 1.50 0.15 N/A 0.41 3.15 0.0 PNG
20260130 01:20:00 HIMAWARI SWIR -27.63 171.12 35.0 -27.15 170.90 1.11 0.10 N/A 0.53 4.26 0.0 PNG
20260130 01:50:00 HIMAWARI SWIR -27.67 171.07 35.0 -27.20 170.87 1.18 0.05 N/A 0.51 4.04 0.0 PNG
20260130 02:20:00 HIMAWARI Vis -27.71 171.01 30.0 -28.36 168.92 1.64 0.20 N/A 0.26 2.89 0.0 PNG
20260130 03:00:00 HIMAWARI Vis -27.76 170.95 30.0 -28.41 168.92 2.32 0.25 N/A 0.20 2.04 0.0 PNG
20260130 03:20:00 HIMAWARI SWIR -27.80 170.90 30.0 -27.30 170.78 2.00 0.20 N/A 0.32 2.37 0.0 PNG
20260130 04:00:00 HIMAWARI Vis -27.84 170.84 30.0 -28.59 169.03 1.83 0.05 N/A 0.24 2.60 0.0 PNG
20260130 04:20:00 HIMAWARI Vis -27.88 170.78 30.0 -27.41 170.55 1.37 0.05 N/A 0.30 3.46 0.0 PNG
20260130 05:00:00 HIMAWARI SWIR -27.92 170.72 30.0 -27.62 171.17 1.48 0.45 N/A 0.41 3.20 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 |
