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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
20200805 13:00:00 Metop-B ASCAT 20.0 *** *** *** *** *** *** *** ***
20200805 11:45:00 Metop-A ASCAT 20.0 *** *** *** *** *** *** *** ***
20200805 11:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.60 ***
20200805 11:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.10 ***
20200805 08:30:00 Geo Vis 20.0 *** *** *** *** *** *** 0.20 ***
20200805 08:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.60 ***
20200805 08:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.30 ***
20200805 07:41:38 * SSMIS-18 85-92GHz 20.0 35.03 122.12 35.22 122.29 0.29 0.82 3.00 0.0
20200805 05:30:00 Geo Vis 20.0 35.12 121.45 35.12 121.45 3.36 9.49 0.10 ***
20200805 05:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.30 ***
20200805 05:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.10 ***
20200805 05:22:05 AMSR2 85-92GHz 20.0 34.83 121.18 34.87 121.21 0.48 1.35 0.10 1.0
20200805 05:22:05 * AMSR2 37GHz 20.0 34.98 121.18 35.02 121.21 0.28 0.81 1.90 ***
20200805 02:30:00 Geo Vis 20.0 *** *** *** *** *** *** 0.10 ***
20200805 02:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.70 ***
20200805 02:30:00 Geo IR 20.0 34.12 118.68 34.12 118.68 0.72 2.04 0.10 7.3
20200805 00:27:00 * Metop-A ASCAT 20.0 33.80 120.55 33.59 120.49 0.17 0.47 *** ***
20200804 23:36:04 SSMIS-17 85-92GHz 20.2 *** *** *** *** *** *** 3.00 ***
20200804 23:30:00 Geo Vis 20.3 *** *** *** *** *** *** 0.20 ***
20200804 23:30:00 Geo NearIR 20.3 *** *** *** *** *** *** 1.00 ***
20200804 23:30:00 Geo IR 20.3 *** *** *** *** *** *** 0.80 ***
20200804 20:59:16 SSMIS-16 85-92GHz 21.7 33.03 119.93 32.92 119.91 0.56 1.58 0.20 0.2
20200804 20:30:00 Geo NearIR 21.9 33.52 120.00 33.52 120.00 3.36 9.49 1.00 ***
20200804 20:30:00 Geo IR 21.9 33.72 120.03 33.72 120.03 3.36 9.49 0.90 4.6
20200804 18:20:41 AMSR2 85-92GHz 23.1 32.85 119.89 32.66 119.86 0.55 1.57 3.00 0.6
20200804 18:20:41 * AMSR2 37GHz 23.1 31.65 119.53 31.46 119.50 0.33 0.92 3.00 ***
20200804 17:30:00 Geo NearIR 23.6 32.54 118.68 32.54 118.68 3.36 9.49 0.10 ***
20200804 17:30:00 Geo IR 23.6 32.89 118.86 32.89 118.86 3.36 9.49 0.80 5.3
20200804 14:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 1.00 ***
20200804 14:30:00 Geo IR 25.0 *** *** *** *** *** *** 1.00 ***
20200804 13:21:00 Metop-B ASCAT 25.0 *** *** *** *** *** *** *** ***
20200804 11:30:00 Geo NearIR 25.4 *** *** *** *** *** *** 0.20 ***
20200804 11:30:00 Geo IR 25.4 *** *** *** *** *** *** 0.90 ***
20200804 08:30:00 Geo Vis 27.9 *** *** *** *** *** *** 0.90 ***
20200804 08:30:00 Geo NearIR 27.9 *** *** *** *** *** *** 0.10 ***
20200804 08:30:00 Geo IR 27.9 *** *** *** *** *** *** 0.50 ***
20200804 07:52:37 SSMIS-18 85-92GHz 28.4 *** *** *** *** *** *** 3.00 ***
20200804 05:30:00 Geo Vis 31.3 29.53 120.70 29.53 120.70 1.11 3.15 0.10 ***
20200804 05:30:00 * Geo NearIR 31.3 29.03 120.45 29.03 120.45 0.44 1.24 0.10 ***
20200804 05:30:00 Geo IR 31.3 29.03 120.45 29.03 120.45 0.81 2.28 0.10 41.2
20200804 02:30:00 Geo Vis 38.8 28.81 120.38 28.81 120.38 0.41 1.17 0.10 ***
20200804 02:30:00 Geo NearIR 38.8 28.56 120.73 28.56 120.73 0.44 1.25 0.80 ***
20200804 02:30:00 Geo IR 38.8 28.58 120.58 28.58 120.58 0.61 1.72 0.20 5.0
20200804 02:03:00 Metop-B ASCAT 39.9 *** *** *** *** *** *** *** ***
20200803 23:30:00 * Geo Vis 47.1 28.56 120.81 28.56 120.81 0.36 1.03 0.10 ***
20200803 23:30:00 Geo NearIR 47.1 28.21 121.15 28.21 121.15 0.45 1.27 0.10 ***
20200803 23:30:00 Geo IR 47.1 28.63 120.76 28.63 120.76 0.63 1.79 0.20 35.2
20200803 20:33:22 SSMIS-18 85-92GHz 59.3 *** *** *** *** *** *** 0.40 ***
20200803 20:30:00 Geo NearIR 59.6 27.94 121.54 27.94 121.54 3.36 9.49 0.10 ***
20200803 20:30:00 Geo IR 59.6 28.16 120.91 28.16 120.91 0.57 1.60 0.10 69.0
20200803 17:39:00 * AMSR2 85-92GHz 70.3 27.84 121.19 27.81 121.21 0.10 0.28 0.50 100.0
20200803 17:39:00 AMSR2 37GHz 70.3 27.84 121.13 27.81 121.15 0.12 0.34 0.40 ***
20200803 17:30:00 Geo NearIR 70.4 27.54 121.46 27.54 121.46 0.24 0.66 0.20 ***
20200803 17:30:00 Geo IR 70.4 27.59 121.29 27.59 121.29 0.16 0.47 0.40 97.0
20200803 14:30:00 Geo NearIR 72.9 27.04 121.72 27.04 121.72 0.26 0.74 0.30 ***
20200803 14:30:00 Geo IR 72.9 27.07 121.66 27.07 121.66 0.16 0.46 0.30 100.0
20200803 13:39:00 Metop-B ASCAT 73.6 27.23 121.35 27.37 121.27 0.25 0.71 *** ***
20200803 12:24:00 Metop-A ASCAT 75.0 26.65 121.60 26.55 121.70 0.22 0.63 *** ***
20200803 11:30:00 * Geo NearIR 74.2 26.65 121.93 26.65 121.93 0.10 0.27 0.60 ***
20200803 11:30:00 Geo IR 74.2 26.70 121.87 26.70 121.87 0.11 0.32 0.60 100.0
20200803 09:41:09 * SSMIS-17 85-92GHz 71.1 26.55 122.15 26.47 122.30 0.08 0.23 0.70 100.0
20200803 08:30:00 Geo Vis 69.2 26.57 122.19 26.57 122.19 0.91 2.56 0.10 ***
20200803 08:30:00 Geo NearIR 69.2 26.37 122.22 26.37 122.22 0.40 1.14 0.40 ***
20200803 08:30:00 Geo IR 69.2 26.47 122.28 26.47 122.28 0.37 1.04 0.10 81.5
20200803 08:04:27 SSMIS-18 85-92GHz 68.5 26.29 122.14 26.32 122.08 0.10 0.28 0.70 100.0
20200803 05:31:58 * AMSR2 85-92GHz 64.6 25.91 122.73 25.90 122.74 0.09 0.24 1.00 100.0
20200803 05:31:58 AMSR2 37GHz 64.6 26.16 122.68 26.15 122.68 0.09 0.26 0.40 ***
20200803 05:30:00 Geo Vis 64.6 26.20 122.57 26.20 122.57 0.24 0.69 0.20 ***
20200803 05:30:00 Geo NearIR 64.6 26.05 122.68 26.05 122.68 3.11 8.78 0.20 ***
20200803 05:30:00 Geo IR 64.6 26.13 122.63 26.13 122.63 0.32 0.90 0.10 72.1
20200803 02:30:00 Geo Vis 62.1 25.54 123.32 25.54 123.32 0.73 2.06 0.70 ***
20200803 02:30:00 Geo NearIR 62.1 25.49 123.01 25.49 123.01 0.78 2.21 0.10 ***
20200803 02:30:00 Geo IR 62.1 25.67 123.15 25.67 123.15 2.43 6.87 0.20 2.0
20200803 01:12:00 * Metop-A ASCAT 61.0 25.38 123.05 25.69 122.80 0.14 0.40 *** ***
20200802 23:30:00 Geo Vis 59.2 *** *** *** *** *** *** 0.60 ***
20200802 23:30:00 Geo NearIR 59.2 24.71 123.70 24.71 123.70 2.03 5.73 0.20 ***
20200802 23:30:00 Geo IR 59.2 24.73 123.86 24.73 123.86 3.36 9.49 0.10 2.6
20200802 22:23:59 * SSMIS-17 85-92GHz 57.3 24.78 123.56 24.94 123.47 0.19 0.53 0.30 72.1
20200802 20:46:50 SSMIS-18 85-92GHz 54.6 *** *** *** *** *** *** 0.30 ***
20200802 20:30:00 Geo NearIR 54.2 24.40 124.24 24.40 124.24 0.40 1.14 0.20 ***
20200802 20:30:00 Geo IR 54.2 24.70 123.66 24.70 123.66 1.79 5.07 0.20 5.0
20200802 19:46:27 * SSMIS-16 85-92GHz 53.0 24.38 123.84 24.47 123.80 0.24 0.67 0.70 67.8
20200802 17:30:00 Geo NearIR 49.6 23.86 124.39 23.86 124.39 0.38 1.06 0.10 ***
20200802 17:30:00 Geo IR 49.6 23.96 124.44 23.96 124.44 3.36 9.49 0.10 1.3
20200802 14:30:00 Geo NearIR 47.1 23.65 124.54 23.65 124.54 0.39 1.10 0.10 ***
20200802 14:30:00 * Geo IR 47.1 23.62 124.46 23.62 124.46 0.35 0.99 0.20 20.7
20200802 12:18:00 Metop-B ASCAT 45.0 *** *** *** *** *** *** *** ***
20200802 11:30:00 Geo NearIR 44.6 23.19 124.93 23.19 124.93 0.67 1.89 0.10 ***
20200802 11:30:00 Geo IR 44.6 23.21 124.93 23.21 124.93 1.04 2.93 0.10 69.5
20200802 09:54:05 * SSMIS-17 85-92GHz 43.3 23.08 124.58 23.02 124.65 0.18 0.50 1.00 59.7
20200802 08:30:00 Geo Vis 42.1 23.62 125.16 23.62 125.16 0.24 0.68 0.10 ***
20200802 08:30:00 Geo NearIR 42.1 23.27 124.70 23.27 124.70 1.98 5.59 0.10 ***
20200802 08:30:00 Geo IR 42.1 23.52 124.92 23.52 124.92 3.36 9.49 0.10 11.3
20200802 08:15:42 SSMIS-18 85-92GHz 41.9 *** *** *** *** *** *** 0.40 ***
20200802 07:15:52 * SSMIS-16 85-92GHz 41.1 23.07 124.43 23.13 124.36 0.25 0.70 0.90 47.0
20200802 05:30:00 Geo Vis 39.6 23.30 124.83 23.30 124.83 3.36 9.49 0.30 ***
20200802 05:30:00 Geo NearIR 39.6 23.05 125.29 23.05 125.29 0.97 2.73 0.10 ***
20200802 05:30:00 Geo IR 39.6 23.25 126.08 23.25 126.08 3.36 9.49 0.10 13.7
20200802 04:48:18 AMSR2 85-92GHz 39.0 23.03 124.96 23.09 124.92 0.30 0.86 0.30 33.2
20200802 04:48:18 AMSR2 37GHz 39.0 23.13 124.63 23.19 124.59 0.42 1.18 0.90 ***
20200802 02:30:00 Geo Vis 37.1 23.00 125.06 23.00 125.06 0.52 1.47 0.20 ***
20200802 02:30:00 Geo NearIR 37.1 23.15 125.09 23.15 125.09 1.27 3.60 0.70 ***
20200802 02:30:00 Geo IR 37.1 23.27 124.98 23.27 124.98 3.36 9.49 1.00 9.8
20200802 01:06:00 * Metop-B ASCAT 35.5 22.71 124.87 22.86 124.77 0.12 0.35 *** ***
20200801 23:51:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20200801 23:30:00 Geo Vis 35.0 23.25 125.45 23.25 125.45 3.36 9.49 0.30 ***
20200801 23:30:00 Geo NearIR 35.0 22.67 125.23 22.67 125.23 1.39 3.93 0.20 ***
20200801 23:30:00 Geo IR 35.0 22.70 125.15 22.70 125.15 3.36 9.49 0.20 47.4
20200801 22:37:52 SSMIS-17 85-92GHz 35.0 22.60 125.16 22.70 125.03 0.36 1.02 0.90 5.9
20200801 21:00:18 * SSMIS-18 85-92GHz 35.0 22.45 125.04 22.39 125.15 0.26 0.72 3.00 15.3
20200801 20:30:00 * Geo NearIR 35.0 22.41 125.66 22.41 125.66 0.35 0.99 0.20 ***
20200801 20:30:00 Geo IR 35.0 22.54 125.25 22.54 125.25 0.42 1.19 0.10 82.5
20200801 17:30:00 * Geo NearIR 34.6 21.86 126.03 21.86 126.03 0.43 1.21 0.10 ***
20200801 17:30:00 Geo IR 34.6 21.21 125.87 21.21 125.87 0.87 2.46 0.10 65.5
20200801 14:30:00 Geo NearIR 32.1 21.59 126.63 21.59 126.63 1.13 3.19 0.20 ***
20200801 14:30:00 Geo IR 32.1 21.49 126.63 21.49 126.63 0.78 2.21 0.50 67.3
20200801 11:30:00 Geo NearIR 30.0 21.34 127.35 21.34 127.35 1.47 4.17 0.20 ***
20200801 11:30:00 Geo IR 30.0 21.06 127.41 21.06 127.41 3.36 9.49 0.70 35.1
20200801 11:24:00 * Metop-A ASCAT 30.0 21.27 126.45 21.28 126.43 0.16 0.44 *** ***
20200801 10:06:24 SSMIS-17 85-92GHz 30.0 20.88 127.15 21.05 126.92 0.34 0.97 2.70 7.7
20200801 08:30:00 Geo Vis 30.0 21.38 128.28 21.38 128.28 0.80 2.27 0.10 ***
20200801 08:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.70 ***
20200801 08:30:00 Geo IR 30.0 21.28 127.69 21.28 127.69 2.41 6.81 0.10 59.3
20200801 08:27:46 SSMIS-18 85-92GHz 30.0 *** *** *** *** *** *** 0.70 ***
20200801 07:27:51 SSMIS-16 85-92GHz 30.0 21.15 127.60 21.37 127.42 0.60 1.71 0.30 0.7
20200801 05:30:00 Geo Vis 30.0 20.99 128.08 20.99 128.08 0.48 1.36 0.50 ***
20200801 05:30:00 Geo NearIR 30.0 20.76 128.02 20.76 128.02 0.57 1.62 0.50 ***
20200801 05:30:00 * Geo IR 30.0 20.54 128.13 20.54 128.13 0.44 1.25 0.20 38.5
20200801 02:30:00 Geo Vis 30.0 19.07 127.82 19.07 127.82 3.09 8.74 0.10 ***
20200801 02:30:00 Geo NearIR 30.0 20.67 128.76 20.67 128.76 3.36 9.49 0.60 ***
20200801 02:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.20 ***
20200731 23:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.70 ***
20200731 23:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.20 ***
20200731 23:30:00 Geo IR 30.0 *** *** *** *** *** *** 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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