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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
20200406 17:30:00 Geo NearIR 35.3 *** *** *** *** *** *** 1.00 ***
20200406 17:30:00 Geo IR 35.3 *** *** *** *** *** *** 1.00 ***
20200406 16:09:00 * Metop-B ASCAT 36.0 -27.91 92.90 -28.16 93.28 0.24 0.68 *** ***
20200406 14:30:00 Geo NearIR 36.9 *** *** *** *** *** *** 1.00 ***
20200406 14:30:00 Geo IR 36.9 *** *** *** *** *** *** 1.00 ***
20200406 12:23:31 SSMIS-17 85-92GHz 38.1 -26.94 91.79 -26.78 91.55 0.38 1.07 2.90 2.1
20200406 11:30:00 Geo NearIR 38.6 *** *** *** *** *** *** 1.00 ***
20200406 11:30:00 Geo IR 38.6 *** *** *** *** *** *** 0.40 ***
20200406 10:57:56 SSMIS-18 85-92GHz 38.9 -26.94 91.51 -27.03 91.66 0.47 1.32 3.00 0.4
20200406 10:43:43 SSMIS-16 85-92GHz 39.0 -26.95 91.22 -27.08 91.43 0.46 1.30 3.00 0.3
20200406 08:30:00 * Geo Vis 40.0 -26.49 91.84 -26.49 91.84 0.16 0.46 0.10 ***
20200406 08:30:00 Geo NearIR 40.0 -26.69 91.62 -26.69 91.62 1.13 3.20 0.70 ***
20200406 08:30:00 Geo IR 40.0 *** *** *** *** *** *** 0.30 ***
20200406 06:21:39 GMI 85-92GHz 40.0 -26.61 90.12 -26.47 90.00 0.35 0.99 3.00 1.1
20200406 06:21:39 GMI 37GHz 40.0 *** *** *** *** *** *** 2.20 ***
20200406 05:30:00 Geo Vis 40.6 -26.02 90.67 -26.02 90.67 0.54 1.51 0.60 ***
20200406 05:30:00 Geo NearIR 40.6 -26.54 90.95 -26.54 90.95 1.10 3.10 0.10 ***
20200406 05:30:00 Geo IR 40.6 *** *** *** *** *** *** 0.10 ***
20200406 03:45:00 * Metop-B ASCAT 42.8 -26.11 89.38 -25.88 89.28 0.13 0.37 *** ***
20200406 02:30:00 Geo Vis 44.4 -26.05 89.70 -26.05 89.70 0.32 0.90 0.90 ***
20200406 02:30:00 Geo NearIR 44.4 -25.35 89.42 -25.35 89.42 3.36 9.49 0.90 ***
20200406 02:30:00 Geo IR 44.4 *** *** *** *** *** *** 0.30 ***
20200405 23:54:35 SSMIS-17 85-92GHz 47.6 -25.90 88.65 -25.83 88.63 0.28 0.79 3.00 1.8
20200405 23:30:00 Geo NearIR 48.1 -23.73 88.52 -23.73 88.52 0.45 1.28 0.10 ***
20200405 23:30:00 Geo IR 48.1 *** *** *** *** *** *** 0.10 ***
20200405 22:28:36 * SSMIS-18 85-92GHz 49.4 -25.71 88.41 -25.88 88.46 0.18 0.51 3.00 4.6
20200405 22:14:19 * SSMIS-16 85-92GHz 49.7 -25.67 88.18 -25.88 88.24 0.18 0.52 2.90 6.3
20200405 20:36:39 GMI 85-92GHz 51.7 -25.58 87.86 -25.56 87.85 0.27 0.76 2.10 5.9
20200405 20:36:39 GMI 37GHz 51.7 *** *** *** *** *** *** 2.70 ***
20200405 20:30:00 Geo NearIR 51.9 *** *** *** *** *** *** 0.40 ***
20200405 20:30:00 Geo IR 51.9 *** *** *** *** *** *** 1.00 ***
20200405 17:30:00 Geo NearIR 56.0 *** *** *** *** *** *** 0.70 ***
20200405 17:30:00 Geo IR 56.0 -26.26 89.82 -26.26 89.82 3.36 9.49 0.90 -1.3
20200405 16:30:00 Metop-B ASCAT 58.1 *** *** *** *** *** *** *** ***
20200405 14:30:00 Geo NearIR 62.3 -25.92 88.44 -25.92 88.44 0.41 1.17 0.20 ***
20200405 14:30:00 * Geo IR 62.3 -25.92 87.92 -25.92 87.92 0.33 0.92 0.30 12.3
20200405 12:37:54 SSMIS-17 85-92GHz 66.2 -24.66 87.39 -24.62 86.91 0.28 0.78 1.50 7.4
20200405 11:30:00 Geo Vis 68.5 -25.52 87.32 -25.52 87.32 0.40 1.12 0.60 ***
20200405 11:30:00 Geo NearIR 68.5 *** *** *** *** *** *** 1.00 ***
20200405 11:30:00 Geo IR 68.5 -25.39 87.35 -25.39 87.35 1.13 3.20 0.10 1.7
20200405 11:11:25 * SSMIS-18 85-92GHz 69.2 -24.50 86.11 -24.52 86.25 0.13 0.37 1.80 8.0
20200405 10:57:37 SSMIS-16 85-92GHz 69.7 -24.70 86.01 -24.72 86.25 0.25 0.72 2.20 5.5
20200405 08:30:00 Geo Vis 74.8 -25.36 85.95 -25.36 85.95 0.22 0.62 0.60 ***
20200405 08:30:00 Geo NearIR 74.8 *** *** *** *** *** *** 0.30 ***
20200405 08:30:00 Geo IR 74.8 -25.34 86.25 -25.34 86.25 0.18 0.51 0.10 5.7
20200405 07:47:11 AMSR2 85-92GHz 76.3 -25.00 85.46 -25.04 85.75 0.20 0.57 0.10 42.4
20200405 07:47:11 AMSR2 37GHz 76.3 -24.50 85.19 -24.54 85.47 0.17 0.48 0.60 ***
20200405 07:16:40 GMI 85-92GHz 77.3 -24.18 84.84 -24.24 85.32 0.22 0.61 2.40 1.1
20200405 07:16:40 GMI 37GHz 77.3 -24.28 85.00 -24.34 85.49 0.20 0.56 0.90 ***
20200405 05:30:00 * Geo Vis 80.6 -25.50 85.12 -25.50 85.12 0.11 0.31 0.20 ***
20200405 05:30:00 Geo NearIR 80.6 -25.50 84.59 -25.50 84.59 0.76 2.14 0.10 ***
20200405 05:30:00 Geo IR 80.6 -25.60 85.14 -25.60 85.14 0.37 1.04 0.10 5.2
20200405 04:03:00 Metop-B ASCAT 82.4 -24.00 83.75 -24.12 84.20 0.17 0.47 *** ***
20200405 02:30:00 Geo Vis 84.4 *** *** *** *** *** *** 1.00 ***
20200405 02:30:00 Geo NearIR 84.4 *** *** *** *** *** *** 1.00 ***
20200405 02:30:00 Geo IR 84.4 -25.57 83.99 -25.57 83.99 0.25 0.69 0.90 -0.5
20200404 23:30:00 Geo NearIR 88.1 *** *** *** *** *** *** 0.30 ***
20200404 23:30:00 Geo IR 88.1 *** *** *** *** *** *** 0.10 ***
20200404 22:40:50 SSMIS-18 85-92GHz 89.1 *** *** *** *** *** *** 2.20 ***
20200404 22:26:53 * SSMIS-16 85-92GHz 89.4 -23.30 82.17 -23.41 82.46 0.15 0.42 2.10 2.4
20200404 21:26:40 GMI 85-92GHz 90.7 *** *** *** *** *** *** 3.00 ***
20200404 21:26:40 GMI 37GHz 90.7 *** *** *** *** *** *** 3.00 ***
20200404 20:30:00 Geo NearIR 91.9 -24.54 82.61 -24.54 82.61 0.34 0.95 0.20 ***
20200404 20:30:00 Geo IR 91.9 -23.94 82.25 -23.94 82.25 0.19 0.53 0.30 2.2
20200404 19:38:45 * AMSR2 85-92GHz 92.9 -23.83 82.31 -23.92 82.53 0.16 0.44 0.20 34.2
20200404 19:38:45 AMSR2 37GHz 92.9 -23.23 81.49 -23.32 81.72 0.17 0.48 0.70 ***
20200404 17:30:00 Geo NearIR 95.0 -23.67 81.48 -23.67 81.48 0.33 0.92 0.20 ***
20200404 17:30:00 * Geo IR 95.0 -23.42 81.23 -23.42 81.23 0.14 0.40 1.00 3.3
20200404 16:51:00 Metop-B ASCAT 95.0 -22.87 80.61 -22.95 80.76 0.18 0.51 *** ***
20200404 14:30:00 Geo NearIR 95.0 -23.48 80.32 -23.48 80.32 1.28 3.62 0.10 ***
20200404 14:30:00 Geo IR 95.0 -23.10 80.21 -23.10 80.21 0.27 0.77 0.10 -0.0
20200404 11:30:00 Geo Vis 95.0 -23.11 79.39 -23.11 79.39 0.31 0.88 0.70 ***
20200404 11:30:00 Geo NearIR 95.0 -22.64 79.12 -22.64 79.12 0.33 0.94 0.40 ***
20200404 11:30:00 Geo IR 95.0 -22.94 79.17 -22.94 79.17 0.25 0.71 0.10 4.2
20200404 11:24:56 * SSMIS-18 85-92GHz 95.0 -22.63 79.43 -22.64 79.44 0.14 0.40 0.50 74.2
20200404 11:11:33 SSMIS-16 85-92GHz 95.0 -22.70 79.38 -22.74 79.44 0.15 0.41 0.40 66.0
20200404 08:43:15 AMSR2 85-92GHz 95.0 -22.08 78.87 -22.05 78.82 0.15 0.42 0.70 82.4
20200404 08:43:15 AMSR2 37GHz 95.0 -21.93 78.60 -21.90 78.55 0.15 0.41 0.50 ***
20200404 08:30:00 Geo Vis 95.0 -22.27 78.81 -22.27 78.81 0.23 0.65 0.20 ***
20200404 08:30:00 Geo NearIR 95.0 -21.87 79.00 -21.87 79.00 3.36 9.49 0.80 ***
20200404 08:30:00 Geo IR 95.0 -22.00 78.17 -22.00 78.17 0.45 1.28 0.20 1.7
20200404 08:06:39 * GMI 85-92GHz 95.0 -22.01 78.72 -22.07 78.80 0.14 0.40 0.60 87.3
20200404 08:06:39 GMI 37GHz 95.0 -21.81 78.45 -21.87 78.53 0.14 0.41 0.60 ***
20200404 05:30:00 * Geo Vis 94.2 -21.83 78.44 -21.83 78.44 0.15 0.41 1.00 ***
20200404 05:30:00 Geo NearIR 94.2 -21.48 78.36 -21.48 78.36 2.66 7.52 0.40 ***
20200404 05:30:00 Geo IR 94.2 -21.53 78.14 -21.53 78.14 0.43 1.20 0.20 53.4
20200404 04:24:00 Metop-B ASCAT 92.3 -21.01 77.64 -21.18 77.87 0.21 0.58 *** ***
20200404 03:09:00 Metop-A ASCAT 90.2 *** *** *** *** *** *** *** ***
20200404 02:30:00 * Geo Vis 89.2 -20.98 77.83 -20.98 77.83 0.15 0.42 0.80 ***
20200404 02:30:00 Geo NearIR 89.2 -21.28 77.78 -21.28 77.78 0.36 1.02 0.50 ***
20200404 02:30:00 Geo IR 89.2 -20.73 77.40 -20.73 77.40 0.27 0.77 0.20 97.2
20200403 23:30:00 Geo NearIR 84.2 -21.16 76.59 -21.16 76.59 3.36 9.49 0.30 ***
20200403 23:30:00 Geo IR 84.2 -20.54 76.70 -20.54 76.70 0.25 0.71 0.10 99.5
20200403 22:39:10 * SSMIS-16 85-92GHz 82.8 -20.36 76.44 -20.51 76.62 0.10 0.29 0.60 100.0
20200403 20:33:09 * AMSR2 85-92GHz 79.3 -20.09 76.06 -20.08 76.05 0.08 0.22 0.70 100.0
20200403 20:33:09 AMSR2 37GHz 79.3 -19.99 75.96 -19.98 75.95 0.11 0.32 0.40 ***
20200403 20:30:00 Geo NearIR 79.2 *** *** *** *** *** *** 0.10 ***
20200403 20:30:00 Geo IR 79.2 -19.86 75.79 -19.86 75.79 0.27 0.76 0.90 9.1
20200403 17:30:00 Geo NearIR 74.2 -20.03 75.83 -20.03 75.83 3.36 9.49 0.20 ***
20200403 17:30:00 Geo IR 74.2 -19.25 75.11 -19.25 75.11 0.38 1.08 0.80 -0.1
20200403 17:15:00 Metop-B ASCAT 73.8 *** *** *** *** *** *** *** ***
20200403 14:30:00 Geo NearIR 69.2 -18.45 74.87 -18.45 74.87 0.48 1.35 0.10 ***
20200403 14:30:00 * Geo IR 69.2 -18.70 74.65 -18.70 74.65 0.22 0.62 1.00 0.8
20200403 11:25:42 SSMIS-16 85-92GHz 64.0 -18.67 74.16 -18.68 74.18 0.28 0.79 0.60 51.2
20200403 09:01:39 GMI 85-92GHz 60.0 -18.00 73.81 -17.91 73.71 0.20 0.56 0.80 79.5
20200403 09:01:39 GMI 37GHz 60.0 -18.35 74.08 -18.26 73.97 0.24 0.67 0.20 ***
20200403 08:30:00 * Geo Vis 59.2 -18.01 73.55 -18.01 73.55 0.12 0.33 0.30 ***
20200403 08:30:00 Geo NearIR 59.2 -18.01 73.73 -18.01 73.73 0.90 2.55 0.50 ***
20200403 08:30:00 Geo IR 59.2 -17.91 73.55 -17.91 73.55 0.14 0.41 0.20 10.7
20200403 05:30:00 Geo Vis 54.6 -17.40 73.49 -17.40 73.49 0.19 0.55 1.00 ***
20200403 05:30:00 Geo NearIR 54.6 -17.45 73.44 -17.45 73.44 1.26 3.57 1.00 ***
20200403 05:30:00 Geo IR 54.6 -17.13 73.30 -17.13 73.30 1.17 3.30 0.50 8.4
20200403 04:45:00 * Metop-B ASCAT 54.0 -17.25 73.01 -17.40 73.13 0.12 0.35 *** ***
20200403 03:30:00 Metop-A ASCAT 52.9 *** *** *** *** *** *** *** ***
20200403 02:30:00 Geo Vis 52.1 -17.16 73.01 -17.16 73.01 0.35 1.00 0.10 ***
20200403 02:30:00 Geo NearIR 52.1 -17.39 73.11 -17.39 73.11 0.42 1.17 0.40 ***
20200403 02:30:00 Geo IR 52.1 -16.26 72.59 -16.26 72.59 1.36 3.83 0.20 0.9
20200402 23:30:00 Geo NearIR 49.6 -16.34 73.62 -16.34 73.62 0.49 1.39 0.10 ***
20200402 23:30:00 Geo IR 49.6 -16.37 72.76 -16.37 72.76 0.42 1.19 0.50 2.5
20200402 22:51:23 SSMIS-16 85-92GHz 49.0 -16.07 72.77 -16.22 72.86 0.38 1.09 0.20 7.2
20200402 20:30:00 Geo NearIR 47.1 -15.19 72.44 -15.19 72.44 1.87 5.30 0.10 ***
20200402 20:30:00 * Geo IR 47.1 -15.04 71.79 -15.04 71.79 0.19 0.54 0.10 47.1
20200402 17:30:00 Geo NearIR 44.6 -13.65 70.83 -13.65 70.83 0.90 2.55 0.10 ***
20200402 17:30:00 Geo IR 44.6 -13.82 71.06 -13.82 71.06 0.27 0.77 0.20 2.2
20200402 16:21:00 * Metop-A ASCAT 43.6 -14.84 71.40 -15.04 71.59 0.12 0.35 *** ***
20200402 14:30:00 Geo NearIR 42.1 -13.43 70.23 -13.43 70.23 0.28 0.79 0.10 ***
20200402 14:30:00 Geo IR 42.1 -13.38 70.21 -13.38 70.21 0.31 0.87 0.80 10.0
20200402 11:40:05 SSMIS-16 85-92GHz 39.7 -13.73 70.37 -13.70 70.34 0.42 1.17 0.70 3.0
20200402 11:30:00 Geo Vis 39.6 -13.13 70.31 -13.13 70.31 0.31 0.88 0.90 ***
20200402 11:30:00 Geo NearIR 39.6 *** *** *** *** *** *** 0.10 ***
20200402 11:30:00 Geo IR 39.6 -13.03 70.26 -13.03 70.26 3.36 9.49 1.00 0.2
20200402 08:58:15 AMSR2 85-92GHz 37.5 -13.33 69.82 -13.26 69.73 0.38 1.08 3.00 4.4
20200402 08:58:15 * AMSR2 37GHz 37.5 -13.23 70.18 -13.16 70.09 0.23 0.64 0.20 ***
20200402 08:30:00 Geo Vis 37.1 -12.93 69.65 -12.93 69.65 0.42 1.18 0.10 ***
20200402 08:30:00 Geo NearIR 37.1 -12.58 69.42 -12.58 69.42 2.04 5.76 0.20 ***
20200402 08:30:00 Geo IR 37.1 *** *** *** *** *** *** 0.10 ***
20200402 05:30:00 * Geo Vis 35.0 -12.53 69.07 -12.53 69.07 0.30 0.85 0.40 ***
20200402 05:30:00 Geo NearIR 35.0 -12.48 68.87 -12.48 68.87 3.36 9.49 0.60 ***
20200402 05:30:00 Geo IR 35.0 -13.31 68.61 -13.31 68.61 0.47 1.33 0.60 6.8

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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