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Geo IR 85-92GHz
Date/Time_(UTC) Source Sensor Vmax(kts) ARCHER Lat Lon Geo-ref Lat Lon 50% cert. rad. 95% cert. rad. Eye diam (deg) % cert. of eye
20260825 14:20:00   HIMAWARI9 IR 21 22.22 134.84 22.33 134.77 1.17 3.30 0.70 41
20260825 14:20:00 * HIMAWARI9 SWIR 21 22.27 134.76 22.38 134.69 0.37 1.03 0.90 ***
20260825 11:30:00   HIMAWARI9 IR 23 21.84 134.67 21.92 134.61 0.64 1.81 0.60 13
20260825 11:30:00 * HIMAWARI9 SWIR 23 21.86 134.67 21.94 134.61 0.43 1.23 0.60 ***
20260825 09:45:25   SSMIS-16 89-92GHz 24 *** *** *** *** 0.35 0.99 0.90 2
20260825 08:50:45 * GMI 37GHz 25 *** *** *** *** 0.22 0.62 0.90 ***
20260825 08:50:45   GMI 89-92GHz 25 20.93 137.02 20.95 137.00 0.62 1.75 1.00 0
20260825 08:10:00   HIMAWARI9 IR 25 21.53 135.02 21.64 134.93 3.36 9.49 0.80 4
20260825 08:10:00   HIMAWARI9 SWIR 25 19.88 138.87 19.99 138.79 3.36 9.49 0.20 ***
20260825 07:16:41 * SSMIS-18 89-92GHz 24 20.19 137.30 20.02 137.43 0.39 1.10 1.40 4
20260825 05:00:00   HIMAWARI9 IR 25 19.70 139.32 19.93 139.17 1.44 4.07 0.70 9
20260825 05:00:00   HIMAWARI9 SWIR 25 19.65 139.29 19.88 139.14 0.62 1.75 0.60 ***
20260825 04:10:47   AMSR2 37GHz 29 *** *** *** *** 0.44 1.24 0.60 ***
20260825 04:10:47 * AMSR2 89-92GHz 29 20.09 137.68 19.81 137.85 0.24 0.69 1.40 11
20260825 02:30:00   HIMAWARI9 IR 30 19.82 140.05 19.93 139.98 3.36 9.49 1.00 6
20260825 02:30:00   HIMAWARI9 SWIR 30 19.92 135.86 20.03 135.78 0.86 2.44 0.20 ***
20260824 23:10:00   HIMAWARI9 IR 30 17.89 139.23 18.02 139.21 1.11 3.15 0.40 10
20260824 23:10:00 * HIMAWARI9 SWIR 30 17.89 139.23 18.02 139.21 0.35 1.00 0.40 ***
20260824 20:39:32 * SSMIS-17 89-92GHz 30 17.89 136.77 17.94 136.76 0.28 0.80 2.00 4
20260824 20:30:00   HIMAWARI9 IR 30 17.08 139.11 17.16 139.10 0.76 2.15 1.00 5
20260824 20:30:00   HIMAWARI9 SWIR 30 17.11 139.16 17.18 139.15 1.15 3.26 0.20 ***
20260824 17:30:00   HIMAWARI9 IR 30 16.75 140.18 16.89 140.18 3.36 9.49 0.20 1
20260824 17:30:00 * HIMAWARI9 SWIR 30 16.40 139.97 16.54 139.97 1.71 4.83 0.10 ***
20260824 14:30:00 * HIMAWARI9 IR 30 15.77 139.84 15.90 139.84 1.61 4.56 0.30 5
20260824 14:00:00   HIMAWARI9 SWIR 30 15.62 139.66 15.88 139.66 3.36 9.49 0.20 ***
20260824 11:30:00   HIMAWARI9 IR 30 15.95 140.05 16.00 140.07 3.36 9.49 0.10 1
20260824 11:30:00 * HIMAWARI9 SWIR 30 15.80 139.89 15.85 139.91 0.47 1.33 0.20 ***
20260824 09:35:44 * GMI 37GHz 30 16.90 138.58 16.84 138.56 0.29 0.81 1.70 ***
20260824 09:35:44   GMI 89-92GHz 30 16.65 138.27 16.59 138.25 0.31 0.87 2.40 6
20260824 08:00:00   HIMAWARI9 IR 30 16.47 137.98 16.57 138.01 1.58 4.48 0.20 45
20260824 08:00:00   HIMAWARI9 SWIR 30 16.17 138.40 16.27 138.43 3.36 9.49 0.50 ***
20260824 07:29:48 * SSMIS-18 89-92GHz 30 *** *** *** *** 0.57 1.62 5.00 0
20260824 05:30:00   HIMAWARI9 IR 30 15.77 137.89 15.84 137.96 1.52 4.29 0.20 14
20260824 05:30:00   HIMAWARI9 SWIR 30 15.82 137.96 15.89 138.04 0.92 2.60 0.30 ***
20260824 02:30:00   HIMAWARI9 IR 30 14.22 138.85 14.29 138.92 3.36 9.49 0.30 3
20260824 02:30:00 * HIMAWARI9 SWIR 30 14.14 138.72 14.22 138.79 0.87 2.47 0.40 ***
20260823 23:30:00   HIMAWARI9 IR 30 13.13 138.31 13.23 138.37 3.36 9.49 0.20 2
20260823 23:30:00   HIMAWARI9 SWIR 30 13.25 138.46 13.35 138.52 0.95 2.69 0.10 ***
20260823 22:47:00 * SSMIS-16 89-92GHz 30 *** *** *** *** 0.25 0.70 1.20 47
20260823 20:55:00 * SSMIS-17 89-92GHz 30 *** *** *** *** 0.33 0.92 2.30 4
20260823 20:30:00   HIMAWARI9 IR 30 14.63 138.78 14.73 138.84 3.36 9.49 0.90 0
20260823 20:30:00   HIMAWARI9 SWIR 30 13.13 138.40 13.23 138.45 0.61 1.74 0.70 ***
20260823 17:00:00   HIMAWARI9 IR 30 13.58 138.98 13.63 138.98 3.36 9.49 0.60 2
20260823 17:00:00   HIMAWARI9 SWIR 30 12.66 138.28 12.71 138.28 1.64 4.64 0.50 ***
20260823 16:35:18 * AMSR2 37GHz 30 13.91 136.75 13.98 136.75 0.22 0.62 0.90 ***
20260823 16:35:18   AMSR2 89-92GHz 30 14.11 136.80 14.18 136.80 0.48 1.35 1.80 2
20260823 14:30:00   HIMAWARI9 IR 30 12.35 137.99 12.37 137.99 3.36 9.49 1.00 8
20260823 14:30:00 * HIMAWARI9 SWIR 30 12.45 138.09 12.47 138.09 0.72 2.03 0.10 ***
20260823 11:30:00   HIMAWARI9 IR 30 12.67 138.08 12.70 138.13 2.61 7.39 0.70 9
20260823 11:30:00 * HIMAWARI9 SWIR 30 12.52 137.95 12.55 138.00 0.78 2.21 1.00 ***
20260823 08:10:00   HIMAWARI9 IR 30 12.00 137.31 12.04 137.39 3.36 9.49 0.10 2
20260823 08:10:00 * HIMAWARI9 SWIR 30 12.08 137.41 12.12 137.49 0.81 2.29 0.90 ***
20260823 05:30:00   HIMAWARI9 IR 30 11.80 136.80 11.85 136.85 3.36 9.49 0.20 1
20260823 05:30:00 * HIMAWARI9 SWIR 30 11.80 136.80 11.85 136.85 0.70 1.96 0.80 ***
20260823 02:30:00   HIMAWARI9 IR 30 11.80 136.88 11.84 136.94 3.36 9.49 0.20 4
20260823 02:30:00 * HIMAWARI9 SWIR 30 11.70 136.77 11.74 136.83 0.55 1.54 0.30 ***
20260822 23:30:00   HIMAWARI9 IR 31 11.36 136.73 11.40 136.70 1.40 3.96 0.60 5
20260822 23:30:00   HIMAWARI9 SWIR 31 11.36 137.14 11.40 137.11 0.52 1.47 0.10 ***
20260822 22:45:44   GMI 37GHz 30 13.11 135.42 13.20 135.33 0.33 0.93 0.90 ***
20260822 22:45:44 * GMI 89-92GHz 30 12.61 135.57 12.70 135.49 0.31 0.87 1.70 7
20260822 21:09:55 * SSMIS-17 89-92GHz 30 12.26 135.76 12.25 135.77 0.41 1.16 1.80 3
20260822 20:30:00   HIMAWARI9 IR 30 10.99 136.78 11.02 136.75 3.36 9.49 0.10 6
20260822 20:30:00   HIMAWARI9 SWIR 30 11.24 137.12 11.27 137.08 0.80 2.26 0.90 ***
20260822 18:52:23 * SSMIS-18 89-92GHz 32 12.61 135.78 12.55 135.84 0.36 1.01 1.50 4
20260822 17:30:00   HIMAWARI9 IR 31 11.13 136.79 11.16 136.80 3.36 9.49 0.30 11
20260822 17:30:00   HIMAWARI9 SWIR 31 11.36 137.04 11.38 137.06 0.66 1.88 0.70 ***
20260822 14:30:00   HIMAWARI9 IR 30 10.95 136.82 10.98 136.83 0.77 2.18 0.30 47
20260822 14:30:00 * HIMAWARI9 SWIR 30 10.88 136.74 10.90 136.76 0.44 1.25 0.50 ***

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 3-hr 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.

Links to related versions: Summary table, ARCHER Track table, ARCHER Track Image Archive, Intensity Estimation, ARCHER-ERC page, F-Decks

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