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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
20230617 05:18:00 Metop-C ASCAT 30.6 *** *** *** *** *** *** *** ***
20230617 04:27:00 Metop-A ASCAT 31.3 *** *** *** *** *** *** *** ***
20230617 00:42:12 * SSMIS-16 85-92GHz 34.4 25.54 71.90 25.49 71.78 0.23 0.64 1.30 14.3
20230616 21:04:02 * AMSR2 85-92GHz 37.4 25.14 71.54 25.11 71.48 0.26 0.73 1.30 12.9
20230616 21:04:02 AMSR2 37GHz 37.4 *** *** *** *** *** *** 0.20 ***
20230616 16:51:00 Metop-C ASCAT 41.0 *** *** *** *** *** *** *** ***
20230616 14:21:15 GMI 85-92GHz 43.0 *** *** *** *** *** *** 3.00 ***
20230616 14:21:15 * GMI 37GHz 43.0 24.28 70.86 24.29 70.87 0.26 0.73 3.00 ***
20230616 12:12:16 SSMIS-16 85-92GHz 44.8 *** *** *** *** *** *** 0.50 ***
20230616 08:56:07 AMSR2 85-92GHz 47.6 23.86 70.08 23.84 70.04 0.18 0.49 0.30 85.1
20230616 08:56:07 * AMSR2 37GHz 47.6 24.01 70.36 23.99 70.31 0.16 0.44 0.20 ***
20230616 05:39:00 Metop-C ASCAT 50.2 *** *** *** *** *** *** *** ***
20230616 04:48:00 Metop-A ASCAT 50.7 *** *** *** *** *** *** *** ***
20230616 04:31:15 GMI 85-92GHz 50.8 23.71 69.69 23.77 69.77 0.63 1.79 1.30 0.1
20230616 04:31:15 * GMI 37GHz 50.8 24.01 70.07 24.07 70.15 0.22 0.64 0.40 ***
20230616 00:55:53 * SSMIS-16 85-92GHz 52.8 23.62 68.93 23.52 68.82 0.13 0.37 0.70 96.8
20230615 17:12:00 Metop-C ASCAT 55.0 23.44 68.07 23.46 68.10 0.39 1.09 *** ***
20230615 16:18:00 Metop-A ASCAT 55.0 23.45 68.08 23.56 68.21 0.25 0.69 *** ***
20230615 15:11:15 GMI 85-92GHz 54.9 22.96 68.37 22.90 68.29 0.15 0.42 0.80 90.8
20230615 15:11:15 * GMI 37GHz 54.9 23.11 68.43 23.05 68.34 0.11 0.32 0.60 ***
20230615 12:25:07 * SSMIS-16 85-92GHz 55.0 22.67 68.32 22.63 68.20 0.15 0.43 1.00 81.4
20230615 01:39:48 * SSMIS-17 85-92GHz 60.0 22.51 67.06 22.52 67.11 0.16 0.45 1.90 44.7
20230615 01:09:12 SSMIS-16 85-92GHz 60.0 22.48 67.02 22.50 67.10 0.23 0.66 1.40 20.0
20230614 23:13:37 SSMIS-18 85-92GHz 60.6 22.35 66.67 22.36 66.68 0.24 0.69 1.50 30.7
20230614 21:17:16 AMSR2 85-92GHz 62.3 22.30 66.68 22.24 66.67 0.18 0.50 1.30 43.2
20230614 21:17:16 * AMSR2 37GHz 62.3 22.35 66.73 22.29 66.72 0.15 0.41 1.00 ***
20230614 13:08:54 * SSMIS-17 85-92GHz 70.0 21.88 66.89 21.92 66.89 0.17 0.49 0.70 23.0
20230614 12:37:44 SSMIS-16 85-92GHz 70.0 21.99 66.58 21.94 66.57 0.19 0.55 1.40 15.8
20230614 10:43:11 * SSMIS-18 85-92GHz 73.2 21.78 66.93 21.85 66.96 0.14 0.39 1.00 36.0
20230614 09:07:43 * AMSR2 85-92GHz 77.2 21.66 66.64 21.59 66.58 0.13 0.36 1.60 60.9
20230614 09:07:43 AMSR2 37GHz 77.2 21.56 66.75 21.49 66.69 0.16 0.44 0.40 ***
20230614 05:30:00 * Metop-A ASCAT 85.4 21.05 66.18 21.05 66.18 0.16 0.46 *** ***
20230614 04:42:00 Metop-C ASCAT 86.1 *** *** *** *** *** *** *** ***
20230614 01:54:00 SSMIS-17 85-92GHz 88.4 21.18 66.21 21.16 66.22 0.11 0.32 0.90 98.5
20230614 01:22:40 * SSMIS-16 85-92GHz 88.9 21.24 66.10 21.21 66.11 0.10 0.30 0.80 96.9
20230613 23:28:14 * SSMIS-18 85-92GHz 89.1 21.50 66.10 21.50 66.10 0.11 0.30 0.70 100.0
20230613 17:00:00 * Metop-A ASCAT 81.7 21.29 66.60 21.31 66.61 0.13 0.36 *** ***
20230613 16:12:00 * Metop-C ASCAT 83.0 21.35 66.55 21.39 66.61 0.13 0.36 *** ***
20230613 13:22:22 SSMIS-17 85-92GHz 87.7 21.91 66.59 21.98 66.66 0.15 0.43 1.90 8.7
20230613 12:50:51 SSMIS-16 85-92GHz 88.6 21.74 66.73 21.67 66.72 0.16 0.46 2.00 6.2
20230613 10:56:14 * SSMIS-18 85-92GHz 90.0 21.71 67.44 21.73 67.42 0.16 0.44 2.90 23.2
20230613 08:24:41 * AMSR2 85-92GHz 90.0 20.93 66.49 20.94 66.48 0.11 0.31 0.60 100.0
20230613 08:24:41 AMSR2 37GHz 90.0 20.93 66.65 20.94 66.65 0.11 0.32 0.40 ***
20230613 05:48:00 Metop-C ASCAT 90.0 *** *** *** *** *** *** *** ***
20230613 05:48:00 Metop-A ASCAT 90.0 *** *** *** *** *** *** *** ***
20230613 05:36:15 GMI 85-92GHz 90.0 20.83 66.71 20.82 66.72 0.14 0.39 0.60 79.9
20230613 05:36:15 * GMI 37GHz 90.0 20.93 66.66 20.92 66.67 0.11 0.32 0.50 ***
20230613 05:03:00 Metop-C ASCAT 90.0 *** *** *** *** *** *** *** ***
20230613 02:07:37 * SSMIS-17 85-92GHz 90.0 20.86 66.64 20.88 66.61 0.14 0.39 0.30 72.8
20230613 01:36:12 SSMIS-16 85-92GHz 90.0 20.85 66.69 20.92 66.63 0.15 0.43 0.40 53.5
20230612 23:41:21 * SSMIS-18 85-92GHz 89.7 20.83 66.79 20.81 66.80 0.13 0.37 0.40 83.1
20230612 21:30:00 * AMSR2 85-92GHz 87.9 20.60 67.03 20.48 67.07 0.13 0.36 0.50 100.0
20230612 21:30:00 AMSR2 37GHz 87.9 20.60 67.19 20.48 67.23 0.13 0.38 0.30 ***
20230612 17:21:00 Metop-A ASCAT 85.0 *** *** *** *** *** *** *** ***
20230612 16:36:00 Metop-C ASCAT 85.0 *** *** *** *** *** *** *** ***
20230612 16:33:00 Metop-C ASCAT 85.0 *** *** *** *** *** *** *** ***
20230612 16:16:15 GMI 85-92GHz 85.0 19.93 67.25 19.98 67.25 0.14 0.40 0.50 71.2
20230612 16:16:15 * GMI 37GHz 85.0 20.03 67.41 20.08 67.41 0.13 0.36 0.50 ***
20230612 13:35:24 * SSMIS-17 85-92GHz 85.0 19.85 67.19 19.88 67.19 0.12 0.34 0.50 84.2
20230612 13:03:44 SSMIS-16 85-92GHz 85.0 19.81 67.10 19.85 67.10 0.15 0.42 0.50 64.7
20230612 11:08:48 SSMIS-18 85-92GHz 85.0 19.56 67.28 19.58 67.27 0.14 0.39 0.60 75.6
20230612 09:19:34 * AMSR2 85-92GHz 85.0 19.60 67.18 19.58 67.21 0.11 0.30 0.80 100.0
20230612 09:19:34 AMSR2 37GHz 85.0 19.60 67.28 19.58 67.32 0.12 0.33 0.50 ***
20230612 02:21:36 * SSMIS-17 85-92GHz 85.0 19.36 67.62 19.37 67.62 0.11 0.30 0.70 100.0
20230611 23:54:53 * SSMIS-18 85-92GHz 85.1 18.95 67.38 18.92 67.39 0.13 0.38 0.50 89.4
20230611 20:47:20 AMSR2 85-92GHz 87.7 18.99 67.50 18.98 67.51 0.15 0.42 0.70 71.1
20230611 20:47:20 * AMSR2 37GHz 87.7 19.14 67.66 19.13 67.67 0.12 0.34 0.50 ***
20230611 13:48:39 * SSMIS-17 85-92GHz 100.5 18.81 67.85 18.86 67.85 0.16 0.46 1.10 7.8
20230611 11:21:38 SSMIS-18 85-92GHz 105.0 *** *** *** *** *** *** 0.50 ***
20230611 08:36:15 AMSR2 85-92GHz 105.0 18.28 67.59 18.27 67.59 0.13 0.37 0.50 93.4
20230611 08:36:15 * AMSR2 37GHz 105.0 18.38 67.81 18.37 67.80 0.12 0.34 0.50 ***
20230611 05:46:15 * GMI 85-92GHz 104.8 18.28 67.70 18.27 67.69 0.10 0.30 0.60 100.0
20230611 05:46:15 GMI 37GHz 104.8 18.23 67.80 18.22 67.80 0.11 0.32 0.40 ***
20230611 02:35:48 * SSMIS-17 85-92GHz 102.2 18.37 67.69 18.37 67.68 0.13 0.37 1.40 70.0
20230611 00:08:25 * SSMIS-18 85-92GHz 100.1 18.21 67.61 18.15 67.60 0.17 0.47 1.10 4.6
20230610 14:02:00 * SSMIS-17 85-92GHz 95.1 17.18 67.43 17.18 67.44 0.16 0.46 0.40 42.3
20230610 11:34:31 * SSMIS-18 85-92GHz 89.6 16.99 67.24 16.99 67.24 0.14 0.39 0.30 80.8
20230610 00:35:48 * SSMIS-16 85-92GHz 71.5 16.35 67.30 16.26 67.30 0.11 0.32 0.30 100.0
20230609 21:00:27 AMSR2 85-92GHz 67.5 16.39 67.14 16.35 67.14 0.16 0.46 0.40 92.1
20230609 21:00:27 * AMSR2 37GHz 67.5 16.39 67.24 16.35 67.24 0.13 0.38 0.20 ***
20230609 17:21:13 GMI 85-92GHz 64.5 15.99 67.40 16.01 67.40 0.29 0.81 0.20 52.0
20230609 17:21:13 * GMI 37GHz 64.5 16.24 67.35 16.26 67.35 0.13 0.36 0.30 ***
20230609 14:15:11 SSMIS-17 85-92GHz 61.9 *** *** *** *** *** *** 0.90 ***
20230609 11:47:09 SSMIS-18 85-92GHz 60.2 15.99 67.25 15.96 67.23 0.31 0.88 0.90 7.8
20230609 08:47:40 AMSR2 85-92GHz 62.7 15.09 67.06 15.07 67.03 0.22 0.61 0.30 81.8
20230609 08:47:40 * AMSR2 37GHz 62.7 15.24 67.22 15.22 67.19 0.11 0.31 0.40 ***
20230609 00:49:31 * SSMIS-16 85-92GHz 65.0 14.80 66.37 14.73 66.32 0.23 0.65 0.60 52.2
20230608 06:51:14 * GMI 85-92GHz 75.0 14.26 65.74 14.19 65.76 0.11 0.31 0.20 100.0
20230608 06:51:14 GMI 37GHz 75.0 14.31 66.00 14.24 66.02 0.15 0.43 0.10 ***
20230608 01:03:02 * SSMIS-16 85-92GHz 79.1 14.03 66.35 14.16 66.32 0.13 0.37 0.30 91.8
20230607 21:13:29 * AMSR2 85-92GHz 82.3 13.34 66.12 13.36 66.06 0.13 0.37 0.40 97.6
20230607 21:13:29 AMSR2 37GHz 82.3 13.59 66.27 13.61 66.22 0.14 0.40 0.40 ***
20230607 12:26:25 * SSMIS-16 85-92GHz 85.0 13.27 66.09 13.21 66.10 0.14 0.39 0.20 86.0
20230607 08:59:04 * AMSR2 85-92GHz 82.5 13.17 66.19 13.11 66.19 0.09 0.25 0.20 100.0
20230607 08:59:04 AMSR2 37GHz 82.5 13.32 66.30 13.26 66.30 0.10 0.29 0.30 ***
20230607 01:50:44 * SSMIS-17 85-92GHz 76.5 12.61 66.34 12.65 66.35 0.17 0.47 0.20 68.1
20230607 01:16:21 SSMIS-16 85-92GHz 76.1 12.72 66.43 12.80 66.45 0.19 0.52 0.40 54.0
20230606 23:21:20 SSMIS-18 85-92GHz 73.9 12.51 66.27 12.51 66.27 0.23 0.66 0.30 21.1
20230606 18:26:14 * GMI 85-92GHz 70.0 12.20 66.16 12.20 66.14 0.11 0.32 0.30 100.0
20230606 18:26:14 GMI 37GHz 70.0 12.20 66.21 12.20 66.19 0.15 0.43 0.20 ***
20230606 12:39:33 * SSMIS-16 85-92GHz 56.6 12.10 66.06 12.10 66.05 0.21 0.60 0.30 79.8
20230606 06:56:13 * GMI 85-92GHz 50.0 11.98 66.15 11.85 66.15 0.09 0.26 0.60 100.0
20230606 06:56:13 GMI 37GHz 50.0 11.98 66.05 11.85 66.05 0.10 0.27 0.40 ***

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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