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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
20210125 00:01:45 SSMIS-17 85-92GHz 35.0 -15.95 95.54 -15.93 95.56 0.37 1.06 2.90 1.2
20210124 23:30:00 Geo NearIR 34.8 -15.75 94.41 -15.75 94.41 0.21 0.58 0.60 ***
20210124 23:30:00 * Geo IR 34.8 -16.28 95.12 -16.28 95.12 0.20 0.55 0.20 3.7
20210124 20:30:00 * Geo NearIR 33.5 -17.55 95.04 -17.55 95.04 0.19 0.53 0.30 ***
20210124 20:30:00 Geo IR 33.5 -17.15 94.80 -17.15 94.80 3.36 9.49 0.10 -0.2
20210124 17:30:00 Geo NearIR 32.3 -15.71 95.04 -15.71 95.04 0.26 0.73 0.10 ***
20210124 17:30:00 * Geo IR 32.3 -16.01 95.20 -16.01 95.20 0.21 0.59 0.10 9.3
20210124 14:30:00 Geo NearIR 31.0 *** *** *** *** *** *** 0.40 ***
20210124 14:30:00 Geo IR 31.0 *** *** *** *** *** *** 0.40 ***
20210124 13:54:00 Metop-A ASCAT 30.0 *** *** *** *** *** *** *** ***
20210124 12:49:53 SSMIS-17 85-92GHz 30.3 -15.63 95.99 -15.59 96.07 0.38 1.06 2.70 0.9
20210124 11:30:00 Geo NearIR 30.2 -16.88 95.67 -16.88 95.67 3.16 8.94 0.10 ***
20210124 11:30:00 Geo IR 30.2 -15.53 95.51 -15.53 95.51 0.44 1.24 0.10 -1.5
20210124 09:57:05 * SSMIS-18 85-92GHz 30.9 -15.49 96.01 -15.46 96.24 0.25 0.71 2.60 5.9
20210124 09:36:31 SSMIS-16 85-92GHz 31.0 -15.58 95.96 -15.56 96.13 0.53 1.49 2.40 0.8
20210124 08:30:00 Geo Vis 31.5 -15.81 95.98 -15.81 95.98 0.46 1.31 1.00 ***
20210124 08:30:00 Geo NearIR 31.5 -15.81 95.80 -15.81 95.80 1.36 3.83 1.00 ***
20210124 08:30:00 Geo IR 31.5 -15.63 95.62 -15.63 95.62 1.39 3.93 0.30 5.0
20210124 07:11:31 AMSR2 85-92GHz 32.0 -16.33 96.06 -16.36 95.82 0.36 1.01 1.60 4.8
20210124 07:11:31 AMSR2 37GHz 32.0 -16.18 96.16 -16.21 95.93 0.48 1.36 0.90 ***
20210124 05:30:00 * Geo Vis 32.7 -16.19 96.03 -16.19 96.03 0.12 0.34 0.20 ***
20210124 05:30:00 Geo NearIR 32.7 -15.87 95.93 -15.87 95.93 0.66 1.87 0.10 ***
20210124 05:30:00 Geo IR 32.7 -16.04 95.56 -16.04 95.56 0.42 1.19 0.10 6.2
20210124 02:39:00 Metop-B ASCAT 33.9 *** *** *** *** *** *** *** ***
20210124 02:30:00 * Geo Vis 34.0 -15.75 96.48 -15.75 96.48 0.13 0.37 0.50 ***
20210124 02:30:00 Geo NearIR 34.0 -16.40 96.61 -16.40 96.61 1.75 4.93 0.30 ***
20210124 02:30:00 Geo IR 34.0 -15.90 96.09 -15.90 96.09 0.28 0.80 0.20 10.9
20210124 01:24:00 Metop-A ASCAT 34.4 -16.04 97.33 -16.08 97.23 0.17 0.48 *** ***
20210124 00:15:01 SSMIS-17 85-92GHz 35.0 -15.27 97.07 -15.24 97.07 0.23 0.65 2.60 8.7
20210123 23:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.80 ***
20210123 23:30:00 Geo IR 35.0 -14.64 96.55 -14.64 96.55 0.32 0.90 0.50 0.3
20210123 20:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.70 ***
20210123 20:30:00 Geo IR 35.0 -16.68 96.97 -16.68 96.97 0.68 1.93 0.10 0.6
20210123 18:58:35 AMSR2 85-92GHz 35.0 -15.42 97.28 -15.33 97.26 0.54 1.53 1.60 1.9
20210123 18:58:35 * AMSR2 37GHz 35.0 -15.32 97.60 -15.23 97.57 0.26 0.74 1.80 ***
20210123 17:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210123 17:30:00 Geo IR 35.0 -14.69 96.63 -14.69 96.63 3.36 9.49 0.80 -0.0
20210123 15:30:00 Metop-B ASCAT 35.0 -15.08 97.65 -15.01 97.63 0.14 0.41 *** ***
20210123 14:30:00 Geo NearIR 35.0 -16.22 96.93 -16.22 96.93 0.15 0.41 0.20 ***
20210123 14:30:00 * Geo IR 35.0 -16.02 96.74 -16.02 96.74 0.08 0.23 0.40 33.8
20210123 14:15:00 Metop-A ASCAT 35.0 -15.00 97.65 -15.02 97.66 0.13 0.36 *** ***
20210123 11:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.90 ***
20210123 11:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.50 ***
20210123 10:10:22 SSMIS-18 85-92GHz 35.0 -14.98 97.73 -15.11 97.77 0.54 1.52 1.20 0.6
20210123 09:50:08 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 2.10 ***
20210123 08:30:00 Geo Vis 35.0 *** *** *** *** *** *** 1.00 ***
20210123 08:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210123 08:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.50 ***
20210123 05:30:00 * Geo Vis 35.0 -14.21 96.19 -14.21 96.19 0.15 0.43 0.40 ***
20210123 05:30:00 Geo NearIR 35.0 -13.73 96.11 -13.73 96.11 1.70 4.79 0.20 ***
20210123 05:30:00 Geo IR 35.0 -14.46 95.90 -14.46 95.90 3.05 8.62 0.30 1.2
20210123 03:00:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20210123 02:30:00 * Geo Vis 35.0 -14.38 96.47 -14.38 96.47 0.16 0.45 0.20 ***
20210123 02:30:00 Geo NearIR 35.0 -14.46 95.91 -14.46 95.91 0.87 2.46 0.90 ***
20210123 02:30:00 Geo IR 35.0 -14.31 96.03 -14.31 96.03 3.36 9.49 0.20 -0.6
20210123 00:27:55 SSMIS-17 85-92GHz 35.0 -13.68 96.07 -13.62 96.07 0.26 0.73 2.70 6.4
20210122 23:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210122 23:30:00 * Geo IR 35.0 -13.95 95.91 -13.95 95.91 0.16 0.47 0.40 2.8
20210122 21:33:57 SSMIS-18 85-92GHz 35.0 -13.86 97.52 -13.80 97.52 0.62 1.75 1.00 0.1
20210122 21:13:56 SSMIS-16 85-92GHz 35.0 -13.79 96.95 -13.75 96.96 0.31 0.87 1.40 5.4
20210122 20:30:00 Geo NearIR 35.0 -14.20 95.90 -14.20 95.90 1.36 3.86 0.40 ***
20210122 20:30:00 Geo IR 35.0 -14.05 95.39 -14.05 95.39 0.28 0.79 0.60 -0.2
20210122 17:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.30 ***
20210122 17:30:00 Geo IR 35.0 -12.83 95.91 -12.83 95.91 3.36 9.49 0.20 1.6
20210122 14:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210122 14:30:00 * Geo IR 35.0 -13.70 95.91 -13.70 95.91 0.27 0.77 0.10 0.5
20210122 11:30:00 Geo NearIR 35.0 -13.10 95.48 -13.10 95.48 1.58 4.46 0.70 ***
20210122 11:30:00 Geo IR 35.0 -13.03 96.04 -13.03 96.04 0.59 1.66 0.70 1.1
20210122 10:23:16 SSMIS-18 85-92GHz 35.0 -13.30 96.23 -13.30 96.21 0.20 0.55 0.50 12.7
20210122 10:03:17 SSMIS-16 85-92GHz 35.0 -13.15 96.18 -13.15 96.16 0.53 1.49 0.10 1.6
20210122 08:30:00 * Geo Vis 35.0 -12.80 96.57 -12.80 96.57 0.13 0.38 0.40 ***
20210122 08:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210122 08:30:00 Geo IR 35.0 -12.65 96.06 -12.65 96.06 0.24 0.67 0.40 -1.8
20210122 07:24:36 AMSR2 85-92GHz 35.0 -13.35 97.26 -13.35 97.24 0.26 0.74 1.20 15.8
20210122 07:24:36 AMSR2 37GHz 35.0 -13.30 97.06 -13.30 97.03 0.30 0.86 0.80 ***
20210122 05:30:00 Geo Vis 35.0 -12.78 96.36 -12.78 96.36 0.27 0.77 0.10 ***
20210122 05:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.30 ***
20210122 05:30:00 Geo IR 35.0 -13.25 95.54 -13.25 95.54 3.36 9.49 0.70 1.1
20210122 03:18:00 Metop-B ASCAT 35.0 -13.20 97.31 -13.20 97.32 0.16 0.45 *** ***
20210122 02:30:00 * Geo Vis 35.0 -12.86 96.78 -12.86 96.78 0.12 0.35 0.90 ***
20210122 02:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.70 ***
20210122 02:30:00 Geo IR 35.0 -12.89 96.16 -12.89 96.16 0.31 0.88 0.60 3.9
20210122 02:03:00 Metop-A ASCAT 35.0 -13.27 97.35 -13.27 97.34 0.14 0.39 *** ***
20210121 23:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 1.00 ***
20210121 23:30:00 * Geo IR 35.0 -13.16 96.19 -13.16 96.19 0.14 0.39 0.10 2.7
20210121 21:46:30 SSMIS-18 85-92GHz 35.0 -12.96 97.49 -12.92 97.47 0.46 1.29 1.40 0.9
20210121 21:26:47 SSMIS-16 85-92GHz 35.0 -12.95 97.64 -12.92 97.62 0.58 1.65 1.70 0.2
20210121 20:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210121 20:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.30 ***
20210121 19:10:11 AMSR2 85-92GHz 35.0 -13.05 97.49 -13.11 97.52 0.37 1.06 0.50 17.0
20210121 19:10:11 AMSR2 37GHz 35.0 -13.00 97.65 -13.06 97.67 0.23 0.65 0.50 ***
20210121 17:30:00 Geo NearIR 35.0 -11.85 95.76 -11.85 95.76 0.40 1.13 0.20 ***
20210121 17:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.10 ***
20210121 14:33:00 * Metop-B ASCAT 35.0 -12.90 97.44 -12.90 97.44 0.15 0.42 *** ***
20210121 14:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 ***
20210121 14:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.80 ***
20210121 11:50:04 SSMIS-17 85-92GHz 35.0 -12.00 96.53 -11.99 96.53 0.29 0.82 3.00 0.0
20210121 11:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 ***
20210121 11:30:00 Geo IR 35.0 -11.87 96.20 -11.87 96.20 0.65 1.84 0.20 -1.2
20210121 10:36:18 SSMIS-18 85-92GHz 35.0 -12.99 97.14 -13.03 97.15 0.47 1.32 1.90 2.1
20210121 10:16:41 SSMIS-16 85-92GHz 35.0 -12.99 97.14 -13.03 97.16 0.40 1.14 1.80 2.7
20210121 08:30:00 * Geo Vis 35.0 -11.91 96.21 -11.91 96.21 0.13 0.36 0.40 ***
20210121 08:30:00 Geo NearIR 35.0 -11.76 96.19 -11.76 96.19 0.61 1.72 0.60 ***
20210121 08:30:00 Geo IR 35.0 -11.79 95.88 -11.79 95.88 1.67 4.72 0.30 3.3
20210121 05:30:00 Geo Vis 35.0 -12.35 97.06 -12.35 97.06 0.50 1.41 0.20 ***
20210121 05:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20210121 05:30:00 Geo IR 35.0 -12.30 96.06 -12.30 96.06 0.23 0.65 0.10 0.2
20210121 02:30:00 * Geo Vis 35.0 -12.31 96.95 -12.31 96.95 0.13 0.37 0.10 ***
20210121 02:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.90 ***
20210121 02:30:00 Geo IR 35.0 -12.24 96.47 -12.24 96.47 0.14 0.39 0.20 14.1
20210120 23:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 1.00 ***
20210120 23:30:00 Geo IR 35.0 -12.53 96.57 -12.53 96.57 0.54 1.53 0.20 -0.7

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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