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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
20210306 22:05:16 * SSMIS-16 85-92GHz 30.8 -28.13 96.41 -28.22 96.41 0.37 1.04 0.10 0.4
20210306 12:03:28 * SSMIS-17 85-92GHz 35.0 -27.00 96.70 -26.96 96.70 0.35 0.98 2.60 1.8
20210306 10:47:20 * SSMIS-16 85-92GHz 35.0 -27.21 96.69 -27.26 96.70 0.33 0.93 3.00 0.0
20210306 10:00:34 SSMI-15 85-92GHz 35.0 -26.75 96.73 -26.86 96.75 0.39 1.10 2.70 2.2
20210305 23:34:19 * SSMIS-17 85-92GHz 35.2 -25.67 95.94 -25.66 95.94 0.38 1.08 2.90 2.2
20210305 21:32:17 SSMI-15 85-92GHz 36.0 -25.39 95.70 -25.30 95.66 0.49 1.39 1.80 0.4
20210305 18:10:19 * GMI 85-92GHz 38.2 -25.09 95.83 -25.02 95.80 0.35 0.98 2.70 2.3
20210305 18:10:19 GMI 37GHz 38.2 -25.79 95.77 -25.72 95.74 0.47 1.34 1.30 ***
20210305 12:17:36 * SSMIS-17 85-92GHz 40.0 -24.48 95.25 -24.39 95.21 0.21 0.59 2.80 2.1
20210305 10:16:58 * SSMI-15 85-92GHz 40.7 -24.25 95.04 -24.40 95.11 0.18 0.52 3.00 7.8
20210305 04:50:18 * GMI 85-92GHz 43.0 -23.51 94.94 -23.59 94.99 0.41 1.17 2.20 3.5
20210305 04:50:18 GMI 37GHz 43.0 -23.71 94.94 -23.79 94.99 0.48 1.36 1.30 ***
20210304 23:47:04 * SSMIS-17 85-92GHz 45.0 -23.08 94.54 -23.04 94.52 0.32 0.89 2.20 4.0
20210304 21:47:28 * SSMI-15 85-92GHz 45.0 -22.77 94.71 -22.62 94.64 0.34 0.96 2.80 4.9
20210304 12:31:40 * SSMIS-17 85-92GHz 44.8 -21.80 94.15 -21.70 94.09 0.55 1.56 2.10 1.3
20210304 10:06:56 * SSMIS-18 85-92GHz 46.6 -21.56 94.06 -21.70 94.13 0.41 1.16 1.80 6.0
20210304 07:17:14 AMSR2 85-92GHz 48.9 -21.38 93.63 -21.50 93.70 0.19 0.54 2.20 54.3
20210304 07:17:14 * AMSR2 37GHz 48.9 -21.23 93.63 -21.35 93.70 0.13 0.36 1.30 ***
20210304 05:45:18 GMI 85-92GHz 50.2 *** *** *** *** *** *** 2.60 ***
20210304 05:45:18 GMI 37GHz 50.2 *** *** *** *** *** *** 0.90 ***
20210303 23:59:46 * SSMIS-17 85-92GHz 55.0 -20.35 93.20 -20.30 93.16 0.32 0.91 2.20 14.4
20210303 22:02:39 * SSMI-15 85-92GHz 54.2 -20.48 92.73 -20.65 92.84 0.31 0.87 2.10 21.0
20210303 21:34:18 SSMIS-18 85-92GHz 54.0 -19.77 93.12 -19.64 93.02 0.44 1.24 2.90 3.9
20210303 19:06:35 * AMSR2 85-92GHz 53.0 -20.06 93.11 -20.24 93.24 0.32 0.90 2.90 8.1
20210303 19:06:35 AMSR2 37GHz 53.0 -20.01 92.53 -20.19 92.65 0.45 1.28 1.10 ***
20210303 12:45:43 * SSMIS-17 85-92GHz 50.0 -19.51 92.07 -19.44 91.95 0.33 0.94 1.90 6.7
20210303 10:20:17 * SSMIS-18 85-92GHz 54.2 -19.27 91.94 -19.33 92.05 0.18 0.50 2.50 43.6
20210303 00:12:47 * SSMIS-17 85-92GHz 79.8 -18.76 90.71 -18.74 90.64 0.16 0.46 2.20 12.9
20210302 21:46:47 SSMIS-18 85-92GHz 81.9 -18.70 90.94 -18.68 90.80 0.16 0.45 1.70 18.5
20210302 19:10:18 * GMI 85-92GHz 84.0 -18.55 90.65 -18.58 90.80 0.13 0.38 0.90 46.1
20210302 19:10:18 GMI 37GHz 84.0 -18.80 90.28 -18.83 90.43 0.14 0.40 1.10 ***
20210302 12:59:25 * SSMIS-17 85-92GHz 90.0 -18.63 90.28 -18.61 90.21 0.16 0.46 0.80 10.2
20210302 10:33:13 * SSMIS-18 85-92GHz 90.0 -18.58 90.01 -18.59 90.04 0.13 0.37 0.90 67.8
20210302 07:30:10 AMSR2 85-92GHz 90.0 -18.65 89.85 -18.66 89.88 0.12 0.33 1.20 78.6
20210302 07:30:10 * AMSR2 37GHz 90.0 -18.65 89.74 -18.66 89.77 0.12 0.33 0.70 ***
20210302 00:25:50 * SSMIS-17 85-92GHz 90.0 -18.45 89.61 -18.44 89.61 0.15 0.42 1.00 44.3
20210301 21:59:19 * SSMIS-18 85-92GHz 89.2 -18.44 89.71 -18.41 89.71 0.11 0.32 0.90 91.6
20210301 19:18:37 AMSR2 85-92GHz 88.0 -18.43 89.45 -18.46 89.45 0.11 0.32 1.00 100.0
20210301 19:18:37 * AMSR2 37GHz 88.0 -18.43 89.39 -18.46 89.39 0.11 0.30 0.60 ***
20210301 13:13:06 * SSMIS-17 85-92GHz 85.0 -18.49 89.56 -18.53 89.56 0.12 0.34 0.90 89.3
20210301 10:45:54 * SSMIS-18 85-92GHz 85.5 -18.40 89.82 -18.43 89.81 0.10 0.30 1.00 97.7
20210301 10:13:45 * SSMIS-16 85-92GHz 85.7 -18.38 89.91 -18.43 89.87 0.10 0.29 1.00 100.0
20210301 06:45:19 * GMI 85-92GHz 87.2 -17.98 89.84 -17.93 89.96 0.10 0.29 1.30 100.0
20210301 06:45:19 GMI 37GHz 87.2 -17.98 89.84 -17.93 89.96 0.10 0.29 0.70 ***
20210301 00:39:07 * SSMIS-17 85-92GHz 90.0 -17.77 90.27 -17.73 90.36 0.11 0.30 1.40 100.0
20210228 22:11:39 SSMIS-18 85-92GHz 91.5 -17.79 90.50 -17.84 90.40 0.13 0.38 1.30 66.6
20210228 21:39:43 * SSMIS-16 85-92GHz 91.9 -17.72 90.64 -17.69 90.73 0.12 0.35 0.60 87.8
20210228 10:58:54 * SSMIS-18 85-92GHz 98.3 -17.46 91.20 -17.48 91.17 0.12 0.34 0.60 98.1
20210228 10:26:45 SSMIS-16 85-92GHz 97.4 -17.44 91.24 -17.48 91.17 0.12 0.35 0.50 91.5
20210228 09:57:15 SSMI-15 85-92GHz 96.6 -17.37 91.26 -17.32 91.34 0.13 0.37 0.50 83.1
20210228 07:42:33 * AMSR2 85-92GHz 92.8 -17.24 91.49 -17.27 91.45 0.11 0.30 0.60 100.0
20210228 07:42:33 AMSR2 37GHz 92.8 -17.14 91.49 -17.17 91.45 0.11 0.31 0.40 ***
20210227 22:23:59 SSMIS-18 85-92GHz 78.0 -16.55 92.24 -16.61 92.15 0.11 0.31 0.60 100.0
20210227 21:52:27 * SSMIS-16 85-92GHz 77.3 -16.52 92.34 -16.45 92.48 0.10 0.28 0.60 100.0
20210227 21:24:03 SSMI-15 85-92GHz 76.8 -16.55 92.23 -16.50 92.32 0.12 0.34 0.70 100.0
20210227 20:10:18 * GMI 85-92GHz 75.2 -16.53 92.25 -16.55 92.22 0.09 0.25 0.70 100.0
20210227 20:10:18 GMI 37GHz 75.2 -16.48 92.36 -16.50 92.32 0.09 0.26 0.50 ***
20210227 19:30:16 * AMSR2 85-92GHz 74.4 -16.45 92.33 -16.50 92.22 0.10 0.28 0.60 100.0
20210227 19:30:16 AMSR2 37GHz 74.4 -16.45 92.38 -16.50 92.27 0.11 0.30 0.50 ***
20210227 10:40:23 * SSMIS-16 85-92GHz 65.0 -16.08 93.24 -16.15 93.15 0.15 0.42 0.50 90.5
20210227 10:13:25 SSMI-15 85-92GHz 65.0 -16.08 93.44 -16.20 93.30 0.20 0.56 0.70 72.2
20210227 07:00:05 AMSR2 85-92GHz 65.0 -15.40 94.00 -15.58 93.84 0.14 0.39 0.60 99.2
20210227 07:00:05 * AMSR2 37GHz 65.0 -15.45 94.05 -15.63 93.89 0.13 0.36 0.60 ***
20210227 06:55:18 GMI 85-92GHz 65.0 -15.44 93.95 -15.26 94.11 0.17 0.48 0.60 85.3
20210227 06:55:18 GMI 37GHz 65.0 -15.44 93.95 -15.26 94.11 0.17 0.48 0.50 ***
20210226 22:36:18 * SSMIS-18 85-92GHz 64.4 -15.01 94.76 -15.03 94.63 0.09 0.25 1.30 100.0
20210226 22:04:43 SSMIS-16 85-92GHz 64.2 -14.70 94.90 -14.73 94.68 0.11 0.31 0.70 100.0
20210226 21:39:13 SSMI-15 85-92GHz 64.0 -14.69 94.97 -14.67 95.17 0.12 0.33 0.60 97.7
20210226 18:46:49 * AMSR2 85-92GHz 62.8 -14.95 95.69 -14.94 95.94 0.18 0.50 1.40 80.2
20210226 18:46:49 AMSR2 37GHz 62.8 -14.85 95.53 -14.84 95.78 0.26 0.74 0.20 ***
20210226 12:12:45 SSMIS-17 85-92GHz 60.0 -14.56 96.80 -14.54 96.96 0.38 1.07 0.40 10.8
20210226 09:43:44 * SSMIS-18 85-92GHz 57.2 -13.86 98.31 -13.81 98.63 0.12 0.33 2.80 39.8

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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