Tropical Storm 18E
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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 .
20260927 09:30:20 GOES-19 SWIR 12.22 -99.15 30.0 12.24 -99.12 1.52 0.15 N/A 0.40 3.12 0.0 PNG
20260927 10:10:20 GOES-19 SWIR 12.24 -99.20 30.0 12.19 -99.28 2.83 0.20 N/A 0.24 1.68 0.0 PNG
20260927 10:30:20 GOES-19 SWIR 12.26 -99.24 30.0 12.21 -99.37 4.94 0.15 N/A 0.15 0.96 0.0 PNG
20260927 11:00:20 GOES-19 IR 12.28 -99.28 30.0 12.53 -100.00 3.44 0.20 1.22 0.35 1.38 49.9 PNG
20260927 11:40:20 GOES-19 SWIR 12.30 -99.32 30.0 12.10 -99.25 1.47 0.30 N/A 0.41 3.22 0.0 PNG
20260927 12:00:20 GOES-19 SWIR 12.32 -99.36 30.0 12.22 -99.36 1.67 0.40 N/A 0.37 2.84 0.0 PNG
20260927 12:30:20 GOES-19 SWIR 12.35 -99.39 30.0 12.50 -99.44 3.20 0.05 N/A 0.21 1.48 0.0 PNG
20260927 13:00:20 GOES-19 SWIR 12.37 -99.42 30.0 12.17 -99.45 2.06 0.30 N/A 0.31 2.30 0.0 PNG
20260927 13:40:20 GOES-19 SWIR 12.40 -99.45 30.0 12.00 -99.78 2.66 0.05 N/A 0.25 1.79 0.0 PNG
20260927 14:00:20 GOES-19 SWIR 12.43 -99.48 30.0 12.08 -99.68 2.73 0.20 N/A 0.24 1.74 0.0 PNG
20260927 14:30:20 GOES-19 IR 12.46 -99.50 30.0 11.96 -99.81 9.49 0.05 3.36 0.15 0.50 44.1 PNG
20260927 15:00:20 GOES-19 Vis 12.70 -98.60 30.0 12.65 -98.60 2.31 0.40 N/A 0.20 2.05 0.0 PNG
20260927 15:40:20 GMI 89GHz 12.72 -98.63 30.0 12.77 -98.73 0.74 0.90 0.26 1.15 6.39 12.6 PNG
20260927 16:00:20 GMI 89GHz 12.72 -98.63 30.0 12.78 -98.76 0.74 0.90 0.26 1.15 6.33 12.6 PNG
20260927 16:30:20 GMI 89GHz 12.72 -98.63 30.0 12.80 -98.79 0.74 0.90 0.26 1.15 6.20 12.6 PNG
20260927 17:10:20 GOES-19 Vis 12.77 -98.73 30.0 13.07 -99.07 0.46 0.10 N/A 0.77 10.28 0.0 PNG
20260927 17:40:20 GOES-19 Vis 12.78 -98.77 30.0 13.03 -99.18 0.45 0.20 N/A 0.79 10.54 0.0 PNG
20260927 18:10:20 GOES-19 Vis 12.80 -98.80 30.0 13.00 -99.31 0.74 0.20 N/A 0.50 6.43 0.0 PNG
20260927 18:40:20 GOES-19 Vis 12.82 -98.83 30.0 12.97 -99.50 0.70 0.20 N/A 0.52 6.73 0.0 PNG
20260927 19:10:20 GOES-19 Vis 12.83 -98.87 30.0 12.93 -99.64 0.91 0.15 N/A 0.42 5.21 0.0 PNG
20260927 19:40:20 GOES-19 Vis 12.85 -98.90 35.0 13.00 -99.31 0.61 0.05 N/A 0.59 7.74 0.0 PNG
20260927 20:10:20 GOES-19 Vis 12.87 -98.93 35.0 12.97 -99.40 0.88 0.15 N/A 0.43 5.38 0.0 PNG
20260927 20:40:20 GOES-19 Vis 12.88 -98.97 35.0 13.06 -99.46 0.75 0.05 N/A 0.50 6.33 0.0 PNG
20260927 21:10:20 GOES-19 Vis 12.60 -99.10 35.0 12.90 -99.54 0.90 0.15 N/A 0.42 5.27 0.0 PNG
20260927 21:40:20 GOES-19 Vis 12.58 -99.14 35.0 13.13 -99.75 0.67 0.05 N/A 0.55 7.12 0.0 PNG
20260927 22:10:20 GOES-19 Vis 12.57 -99.17 35.0 13.12 -99.89 0.92 0.05 N/A 0.42 5.18 0.0 PNG
20260927 22:40:20 GMI 89GHz 12.72 -98.63 30.0 12.67 -99.32 0.74 0.90 0.26 1.15 3.93 12.6 PNG
20260927 23:10:20 GMI 89GHz 12.72 -98.63 30.0 12.69 -99.36 0.74 0.90 0.26 1.15 3.77 12.6 PNG
20260927 23:40:20 SSMISF18 89GHz 12.58 -99.28 35.0 12.98 -100.15 0.77 1.10 0.27 1.07 6.15 19.7 PNG
20260928 00:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.08 -100.20 0.77 1.10 0.27 1.07 5.97 19.7 PNG
20260928 01:10:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.14 -100.29 0.77 1.10 0.27 1.07 5.60 19.7 PNG
20260928 01:40:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.17 -100.34 0.77 1.10 0.27 1.07 5.42 19.7 PNG
20260928 02:10:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.21 -100.38 0.77 1.10 0.27 1.07 5.24 19.7 PNG
20260928 02:40:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.24 -100.43 0.77 1.10 0.27 1.07 5.05 19.7 PNG
20260928 03:10:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.30 -100.69 0.77 1.10 0.27 1.07 4.86 19.7 PNG
20260928 03:40:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.32 -100.75 0.77 1.10 0.27 1.07 4.68 19.7 PNG
20260928 04:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.33 -100.78 0.77 1.10 0.27 1.07 4.56 19.7 PNG
20260928 04:40:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.36 -100.86 0.77 1.10 0.27 1.07 4.33 19.7 PNG
20260928 05:10:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.37 -100.92 0.77 1.10 0.27 1.07 4.16 19.7 PNG
20260928 05:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.38 -100.96 0.77 1.10 0.27 1.07 4.05 19.7 PNG
20260928 06:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.41 -101.01 0.77 1.10 0.27 1.07 3.89 19.7 PNG
20260928 06:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.42 -101.08 0.77 1.10 0.27 1.07 3.74 19.7 PNG
20260928 07:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.45 -101.13 0.77 1.10 0.27 1.07 3.60 19.7 PNG
20260928 07:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.47 -101.19 0.77 1.10 0.27 1.07 3.46 19.7 PNG
20260928 08:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.48 -101.26 0.77 1.10 0.27 1.07 3.33 19.7 PNG
20260928 08:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.51 -101.32 0.77 1.10 0.27 1.07 3.21 19.7 PNG
20260928 09:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.80 -101.27 0.77 1.10 0.27 1.07 3.09 19.7 PNG
20260928 09:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.82 -101.35 0.77 1.10 0.27 1.07 2.97 19.7 PNG
20260928 10:00:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.84 -101.42 0.77 1.10 0.27 1.07 2.87 19.7 PNG
20260928 10:30:20 SSMISF18 89GHz 12.58 -99.28 35.0 13.88 -101.48 0.77 1.10 0.27 1.07 2.77 19.7 PNG
20260928 11:00:22 SSMISF18 89GHz 12.58 -99.28 35.0 13.90 -101.56 0.77 1.10 0.27 1.07 2.67 19.7 PNG
20260928 11:30:22 GOES-19 SWIR 13.56 -100.74 40.0 13.19 -100.31 3.13 0.05 N/A 0.22 1.51 0.0 PNG
20260928 12:00:20 GOES-19 SWIR 13.59 -100.81 40.0 14.54 -99.01 2.38 0.40 N/A 0.27 1.99 0.0 PNG
20260928 12:30:20 GOES-19 IR 13.62 -100.88 40.0 14.82 -101.86 6.03 0.30 2.13 0.29 0.79 40.8 PNG
20260928 13:00:20 GOES-19 IR 13.65 -100.96 45.0 15.02 -102.40 2.00 0.05 0.71 0.45 2.37 88.3 PNG
20260928 13:30:20 GOES-19 IR 13.68 -101.03 45.0 14.48 -102.08 9.49 0.45 3.36 0.15 0.50 12.4 PNG
20260928 14:00:20 GOES-19 SWIR 13.70 -101.10 45.0 14.58 -101.79 4.28 0.45 N/A 0.17 1.11 0.0 PNG
20260928 14:30:20 GOES-19 IR 13.73 -101.17 45.0 14.81 -102.07 9.49 0.30 3.36 0.17 0.50 12.5 PNG
20260928 15:10:20 SSMISF18 89GHz 13.80 -101.20 45.0 13.80 -101.05 0.77 1.00 0.27 1.07 6.14 15.1 PNG
20260928 15:30:20 SSMISF18 89GHz 13.80 -101.20 45.0 13.84 -101.12 0.77 1.00 0.27 1.07 4.97 15.1 PNG
20260928 16:00:20 SSMISF18 89GHz 13.80 -101.20 45.0 13.87 -101.20 0.77 1.00 0.27 1.07 4.78 15.1 PNG
20260928 16:30:20 SSMISF18 89GHz 13.80 -101.20 45.0 13.91 -101.27 0.77 1.00 0.27 1.07 4.60 15.1 PNG
20260928 17:00:20 SSMISF18 89GHz 13.80 -101.20 45.0 13.95 -101.35 0.77 1.00 0.27 1.07 4.42 15.1 PNG
20260928 17:40:20 SSMISF18 89GHz 13.80 -101.20 45.0 14.00 -101.45 0.77 1.00 0.27 1.07 4.20 15.1 PNG
20260928 18:00:20 SSMISF18 89GHz 13.80 -101.20 45.0 14.02 -101.50 0.77 1.00 0.27 1.07 4.09 15.1 PNG
20260928 18:30:20 SSMISF18 89GHz 13.80 -101.20 45.0 14.06 -101.58 0.77 1.00 0.27 1.07 3.93 15.1 PNG
20260928 19:10:20 SSMISF18 89GHz 13.80 -101.20 45.0 14.11 -101.68 0.77 1.00 0.27 1.07 3.73 15.1 PNG
20260928 19:30:20 GOES-19 Vis 14.13 -101.85 45.0 15.03 -100.02 1.02 0.20 N/A 0.38 4.65 0.0 PNG
20260928 20:00:20 GOES-19 Vis 14.17 -101.93 45.0 15.17 -100.15 0.64 0.45 N/A 0.57 7.45 0.0 PNG
20260928 20:40:20 GOES-19 SWIR 14.20 -102.01 45.0 13.25 -101.60 1.04 0.30 N/A 0.57 4.58 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 |