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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
20210120 11:30:00 Geo Vis 30.2 -21.42 78.09 -21.42 78.09 3.36 9.49 0.10 ***
20210120 11:30:00 Geo NearIR 30.2 *** *** *** *** *** *** 0.20 ***
20210120 11:30:00 Geo IR 30.2 -22.64 78.62 -22.64 78.62 0.24 0.69 0.20 48.3
20210120 08:30:00 Geo Vis 31.5 -21.58 78.53 -21.58 78.53 0.41 1.16 0.80 ***
20210120 08:30:00 Geo NearIR 31.5 -21.38 78.96 -21.38 78.96 3.36 9.49 0.70 ***
20210120 08:30:00 * Geo IR 31.5 -22.50 78.53 -22.50 78.53 0.19 0.55 0.20 7.4
20210120 05:30:00 * Geo Vis 32.7 -21.33 78.81 -21.33 78.81 0.20 0.56 1.00 ***
20210120 05:30:00 Geo NearIR 32.7 -21.63 79.51 -21.63 79.51 3.36 9.49 1.00 ***
20210120 05:30:00 Geo IR 32.7 -22.28 79.48 -22.28 79.48 1.30 3.67 0.70 12.1
20210120 02:30:00 * Geo Vis 34.0 -20.85 79.39 -20.85 79.39 0.21 0.59 0.50 ***
20210120 02:30:00 Geo NearIR 34.0 -21.20 79.39 -21.20 79.39 0.67 1.90 0.60 ***
20210120 02:30:00 Geo IR 34.0 -21.22 79.44 -21.22 79.44 3.36 9.49 0.90 0.4
20210120 01:10:15 SSMIS-17 85-92GHz 34.5 -20.38 79.53 -20.47 79.28 0.40 1.12 2.00 1.2
20210119 23:30:00 Geo NearIR 35.0 -21.56 81.32 -21.56 81.32 0.51 1.46 0.20 ***
20210119 23:30:00 Geo IR 35.0 -21.71 81.19 -21.71 81.19 0.36 1.01 0.10 11.5
20210119 20:30:00 * Geo NearIR 35.0 -20.40 80.86 -20.40 80.86 0.31 0.88 0.10 ***
20210119 20:30:00 Geo IR 35.0 -20.55 80.86 -20.55 80.86 0.37 1.05 0.10 49.5
20210119 17:30:00 Geo NearIR 35.0 -20.37 81.59 -20.37 81.59 0.70 1.98 0.90 ***
20210119 17:30:00 Geo IR 35.0 -20.30 81.46 -20.30 81.46 0.93 2.62 1.00 1.5
20210119 16:54:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20210119 15:39:00 * Metop-A ASCAT 35.0 -19.12 81.58 -19.05 81.79 0.24 0.68 *** ***
20210119 14:30:00 Geo NearIR 35.0 -20.25 82.43 -20.25 82.43 0.63 1.78 0.10 ***
20210119 14:30:00 Geo IR 35.0 -20.25 82.54 -20.25 82.54 0.95 2.69 0.10 4.6
20210119 11:30:00 Geo Vis 35.2 -19.44 82.62 -19.44 82.62 0.21 0.59 0.80 ***
20210119 11:30:00 Geo NearIR 35.2 -19.49 82.75 -19.49 82.75 0.83 2.35 0.90 ***
20210119 11:30:00 Geo IR 35.2 -19.84 82.99 -19.84 82.99 3.36 9.49 0.10 1.8
20210119 11:00:11 SSMIS-18 85-92GHz 35.4 -19.24 82.40 -19.24 82.30 0.27 0.76 2.40 3.0
20210119 10:41:13 SSMIS-16 85-92GHz 35.5 -19.28 82.40 -19.29 82.25 0.32 0.92 2.40 2.4
20210119 08:30:55 AMSR2 85-92GHz 36.5 -19.30 82.72 -19.30 82.73 0.24 0.67 2.50 4.2
20210119 08:30:55 AMSR2 37GHz 36.5 -19.60 82.88 -19.60 82.88 0.21 0.60 2.10 ***
20210119 08:30:00 * Geo Vis 36.5 -19.28 82.91 -19.28 82.91 0.11 0.31 0.30 ***
20210119 08:30:00 Geo NearIR 36.5 -19.53 83.26 -19.53 83.26 2.15 6.07 0.70 ***
20210119 08:30:00 Geo IR 36.5 -19.60 83.31 -19.60 83.31 0.72 2.02 1.00 1.2
20210119 05:30:00 * Geo Vis 37.7 -19.30 83.32 -19.30 83.32 0.11 0.32 0.40 ***
20210119 05:30:00 Geo NearIR 37.7 -19.45 83.43 -19.45 83.43 3.36 9.49 1.00 ***
20210119 05:30:00 Geo IR 37.7 -19.80 83.88 -19.80 83.88 3.36 9.49 0.60 2.1
20210119 03:09:00 Metop-A ASCAT 38.7 *** *** *** *** *** *** *** ***
20210119 02:30:00 * Geo Vis 39.0 -19.56 83.74 -19.56 83.74 0.14 0.39 0.30 ***
20210119 02:30:00 Geo NearIR 39.0 -19.61 83.87 -19.61 83.87 0.83 2.34 0.50 ***
20210119 02:30:00 Geo IR 39.0 -19.61 83.79 -19.61 83.79 3.36 9.49 0.70 1.4
20210118 23:30:00 Geo NearIR 40.0 -19.55 84.43 -19.55 84.43 2.51 7.10 0.50 ***
20210118 23:30:00 Geo IR 40.0 -20.08 84.25 -20.08 84.25 3.36 9.49 0.70 1.3
20210118 22:26:40 SSMIS-18 85-92GHz 40.0 -19.30 84.82 -19.30 84.64 0.27 0.77 2.70 3.4
20210118 22:07:55 * SSMIS-16 85-92GHz 40.0 -19.36 84.87 -19.35 84.64 0.22 0.61 2.70 6.0
20210118 20:30:00 Geo NearIR 40.0 -20.14 84.64 -20.14 84.64 3.36 9.49 1.00 ***
20210118 20:30:00 Geo IR 40.0 -20.17 84.56 -20.17 84.56 0.40 1.14 0.10 6.4
20210118 17:30:00 Geo NearIR 40.0 -20.18 86.18 -20.18 86.18 1.13 3.20 0.10 ***
20210118 17:30:00 Geo IR 40.0 -20.16 86.10 -20.16 86.10 0.83 2.36 0.80 -2.0
20210118 15:33:00 * Metop-B ASCAT 40.0 -19.24 86.03 -19.26 86.20 0.18 0.51 *** ***
20210118 14:30:00 Geo NearIR 40.0 -20.09 86.97 -20.09 86.97 0.40 1.13 0.40 ***
20210118 14:30:00 Geo IR 40.0 -19.96 86.44 -19.96 86.44 0.37 1.04 0.50 -3.1
20210118 14:18:00 * Metop-A ASCAT 40.0 -19.22 86.23 -19.21 86.20 0.18 0.51 *** ***
20210118 11:30:00 Geo Vis 40.0 -20.26 86.45 -20.26 86.45 0.23 0.64 0.70 ***
20210118 11:30:00 Geo NearIR 40.0 -20.41 87.17 -20.41 87.17 0.59 1.67 0.40 ***
20210118 11:30:00 Geo IR 40.0 -20.38 86.48 -20.38 86.48 1.27 3.60 0.80 1.0
20210118 11:12:30 SSMIS-18 85-92GHz 40.0 -20.01 86.73 -20.01 86.69 0.24 0.66 2.90 1.7
20210118 10:53:52 SSMIS-16 85-92GHz 40.0 -19.82 86.99 -19.81 86.90 0.18 0.52 0.40 54.6
20210118 08:30:00 * Geo Vis 40.0 -20.25 87.40 -20.25 87.40 0.11 0.30 0.10 ***
20210118 08:30:00 Geo NearIR 40.0 -20.52 87.90 -20.52 87.90 0.53 1.49 0.80 ***
20210118 08:30:00 Geo IR 40.0 -20.52 87.24 -20.52 87.24 0.23 0.66 0.70 0.3
20210118 07:47:47 AMSR2 85-92GHz 40.0 -19.84 87.26 -19.82 87.16 0.20 0.58 1.70 0.8
20210118 07:47:47 AMSR2 37GHz 40.0 -19.64 87.36 -19.62 87.27 0.17 0.48 1.00 ***
20210118 05:30:00 * Geo Vis 40.0 -20.01 87.83 -20.01 87.83 0.07 0.19 0.30 ***
20210118 05:30:00 Geo NearIR 40.0 -20.29 87.88 -20.29 87.88 0.54 1.53 0.70 ***
20210118 05:30:00 Geo IR 40.0 -20.21 87.59 -20.21 87.59 0.11 0.32 0.20 48.8
20210118 03:03:00 Metop-B ASCAT 40.0 -19.33 87.40 -19.33 87.47 0.16 0.46 *** ***
20210118 02:30:00 * Geo Vis 40.0 -19.68 88.30 -19.68 88.30 0.12 0.34 0.50 ***
20210118 02:30:00 Geo NearIR 40.0 -19.71 88.16 -19.71 88.16 1.15 3.26 0.50 ***
20210118 02:30:00 Geo IR 40.0 -19.71 87.82 -19.71 87.82 0.16 0.44 0.30 -7.2
20210118 01:48:00 Metop-A ASCAT 40.0 -19.36 87.50 -19.36 87.41 0.19 0.54 *** ***
20210117 23:30:00 Geo NearIR 40.0 -19.86 87.94 -19.86 87.94 0.18 0.51 0.80 ***
20210117 23:30:00 Geo IR 40.0 -19.98 87.62 -19.98 87.62 0.21 0.59 0.20 11.2
20210117 22:38:59 SSMIS-18 85-92GHz 40.0 -19.39 88.24 -19.41 88.12 0.23 0.66 0.40 62.4
20210117 22:20:36 SSMIS-16 85-92GHz 40.0 -19.28 88.54 -19.30 88.39 0.22 0.63 0.80 33.3
20210117 20:30:00 Geo NearIR 40.0 -19.85 88.34 -19.85 88.34 0.21 0.59 0.50 ***
20210117 20:30:00 * Geo IR 40.0 -19.65 88.28 -19.65 88.28 0.18 0.52 0.40 -1.2
20210117 19:36:37 AMSR2 85-92GHz 40.0 -19.22 88.64 -19.28 88.52 0.23 0.64 0.50 75.9
20210117 19:36:37 AMSR2 37GHz 40.0 -19.17 88.64 -19.23 88.52 0.19 0.53 2.70 ***
20210117 17:30:00 Geo NearIR 40.0 -19.42 88.71 -19.42 88.71 0.15 0.43 0.30 ***
20210117 17:30:00 * Geo IR 40.0 -19.55 88.42 -19.55 88.42 0.15 0.41 0.20 -8.3
20210117 15:54:00 Metop-B ASCAT 40.0 *** *** *** *** *** *** *** ***
20210117 14:30:00 Geo NearIR 40.0 -19.49 88.71 -19.49 88.71 0.27 0.77 0.10 ***
20210117 14:30:00 Geo IR 40.0 -19.62 88.36 -19.62 88.36 0.20 0.57 0.10 9.9
20210117 12:42:13 * SSMIS-17 85-92GHz 40.0 -19.03 89.26 -18.94 89.38 0.16 0.45 0.40 90.9
20210117 11:30:00 Geo Vis 39.6 -19.77 89.24 -19.77 89.24 0.37 1.03 0.10 ***
20210117 11:30:00 Geo NearIR 39.6 -19.30 89.40 -19.30 89.40 0.17 0.48 1.00 ***
20210117 11:30:00 Geo IR 39.6 -19.37 89.27 -19.37 89.27 0.17 0.47 0.10 47.4
20210117 08:30:00 * Geo Vis 37.1 -18.98 89.72 -18.98 89.72 0.10 0.28 0.80 ***
20210117 08:30:00 Geo NearIR 37.1 -19.15 89.77 -19.15 89.77 0.25 0.72 0.70 ***
20210117 08:30:00 Geo IR 37.1 -18.98 89.43 -18.98 89.43 0.20 0.57 0.30 6.7
20210117 05:30:00 * Geo Vis 35.0 -18.43 90.15 -18.43 90.15 0.08 0.22 0.50 ***
20210117 05:30:00 Geo NearIR 35.0 -18.63 90.02 -18.63 90.02 0.26 0.75 0.70 ***
20210117 05:30:00 Geo IR 35.0 -18.45 89.81 -18.45 89.81 0.14 0.40 0.10 62.0
20210117 03:24:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20210117 02:30:00 Geo Vis 35.0 -18.37 90.32 -18.37 90.32 0.13 0.37 0.10 ***
20210117 02:30:00 Geo NearIR 35.0 -18.24 90.08 -18.24 90.08 0.59 1.66 0.70 ***
20210117 02:30:00 * Geo IR 35.0 -18.24 90.00 -18.24 90.00 0.12 0.34 0.40 -23.2
20210117 00:08:31 SSMIS-17 85-92GHz 35.0 -17.91 90.69 -17.86 90.78 0.20 0.57 0.70 45.7
20210116 23:30:00 Geo NearIR 35.0 -18.01 90.25 -18.01 90.25 0.20 0.57 0.60 ***
20210116 23:30:00 * Geo IR 35.0 -18.13 90.22 -18.13 90.22 0.14 0.39 0.10 7.6
20210116 22:51:17 SSMIS-18 85-92GHz 35.0 -17.90 90.90 -17.95 90.82 0.29 0.82 1.00 37.3
20210116 22:33:13 SSMIS-16 85-92GHz 35.0 -17.78 90.89 -17.85 90.76 0.27 0.77 0.80 32.7
20210116 20:30:00 Geo NearIR 35.0 -18.28 91.33 -18.28 91.33 0.32 0.90 0.10 ***
20210116 20:30:00 Geo IR 35.0 -18.30 91.22 -18.30 91.22 3.36 9.49 1.00 -2.1
20210116 18:53:10 * AMSR2 85-92GHz 35.0 -17.48 91.54 -17.38 91.72 0.16 0.45 1.00 80.9
20210116 18:53:10 AMSR2 37GHz 35.0 -17.43 91.39 -17.33 91.56 0.17 0.49 0.40 ***
20210116 17:30:00 Geo NearIR 35.0 -17.48 91.54 -17.48 91.54 0.44 1.23 0.50 ***
20210116 17:30:00 Geo IR 35.0 -17.48 91.31 -17.48 91.31 0.18 0.51 0.20 99.7
20210116 15:00:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20210116 14:30:00 Geo NearIR 35.0 -17.06 91.57 -17.06 91.57 0.32 0.92 1.00 ***
20210116 14:30:00 Geo IR 35.0 -16.98 91.41 -16.98 91.41 0.48 1.36 1.00 3.2
20210116 12:55:56 SSMIS-17 85-92GHz 35.0 -17.17 92.11 -17.04 92.30 0.19 0.53 0.40 41.2
20210116 11:30:00 * Geo Vis 35.0 -16.85 92.70 -16.85 92.70 0.12 0.33 0.60 ***
20210116 11:30:00 Geo NearIR 35.0 -16.67 92.31 -16.67 92.31 0.75 2.13 0.70 ***
20210116 11:30:00 Geo IR 35.0 -16.52 92.21 -16.52 92.21 0.58 1.64 0.60 1.9
20210116 08:30:00 Geo Vis 35.0 -16.24 92.27 -16.24 92.27 0.18 0.51 0.60 ***
20210116 08:30:00 Geo NearIR 35.0 -16.14 92.45 -16.14 92.45 0.70 1.97 0.90 ***
20210116 08:30:00 Geo IR 35.0 -15.91 92.32 -15.91 92.32 0.48 1.36 0.70 6.1
20210116 08:00:46 AMSR2 85-92GHz 35.0 -16.12 92.06 -16.14 92.00 0.21 0.58 3.00 0.0
20210116 08:00:46 AMSR2 37GHz 35.0 -17.17 92.32 -17.19 92.27 0.35 0.99 3.00 ***
20210116 05:30:00 * Geo Vis 35.0 -16.41 92.59 -16.41 92.59 0.10 0.29 0.40 ***
20210116 05:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 1.00 ***
20210116 05:30:00 Geo IR 35.0 -16.24 92.40 -16.24 92.40 0.29 0.81 0.30 -6.7
20210116 02:30:00 Metop-A ASCAT 35.0 -16.91 93.21 -16.91 93.21 0.22 0.62 *** ***
20210116 02:30:00 Geo Vis 35.0 -16.61 92.63 -16.61 92.63 0.18 0.50 0.40 ***
20210116 02:30:00 Geo NearIR 35.0 -16.86 92.92 -16.86 92.92 3.36 9.49 0.60 ***
20210116 02:30:00 Geo IR 35.0 -16.36 92.45 -16.36 92.45 1.18 3.34 0.90 0.9
20210116 00:21:19 SSMIS-17 85-92GHz 35.0 -16.42 92.64 -16.40 92.73 0.14 0.40 0.20 31.2
20210115 23:30:00 Geo NearIR 35.0 -16.60 92.10 -16.60 92.10 1.28 3.61 0.60 ***
20210115 23:30:00 * Geo IR 35.0 -16.70 92.68 -16.70 92.68 0.11 0.31 0.10 0.8
20210115 20:30:00 Geo NearIR 35.0 -17.44 93.62 -17.44 93.62 0.85 2.39 0.20 ***
20210115 20:30:00 Geo IR 35.0 -16.71 93.47 -16.71 93.47 0.31 0.87 0.70 -2.9
20210115 17:30:00 Geo NearIR 35.0 -17.42 93.68 -17.42 93.68 0.57 1.60 0.20 ***
20210115 17:30:00 * Geo IR 35.0 -16.79 93.65 -16.79 93.65 0.13 0.38 0.30 8.4

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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