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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
20230907 11:06:14 GMI 85-92GHz 20.0 25.30 -32.70 25.23 -32.71 0.42 1.20 3.00 1.1
20230907 11:06:14 * GMI 37GHz 20.0 25.05 -32.76 24.98 -32.77 0.40 1.13 0.50 ***
20230907 08:00:18 SSMIS-16 85-92GHz 20.0 25.58 -32.87 25.51 -32.88 0.45 1.27 2.80 1.4
20230907 06:07:45 * SSMIS-18 85-92GHz 20.0 26.13 -32.57 26.17 -32.57 0.29 0.83 2.60 5.8
20230906 23:39:00 Metop-C ASCAT 20.0 *** *** *** *** *** *** *** ***
20230906 22:51:00 Metop-A ASCAT 20.0 *** *** *** *** *** *** *** ***
20230906 22:48:00 Metop-A ASCAT 20.0 *** *** *** *** *** *** *** ***
20230906 21:46:14 GMI 85-92GHz 20.0 *** *** *** *** *** *** 3.00 ***
20230906 21:46:14 GMI 37GHz 20.0 *** *** *** *** *** *** 3.00 ***
20230906 19:31:23 * SSMIS-16 85-92GHz 20.0 26.83 -32.41 26.73 -32.38 0.28 0.78 3.00 3.6
20230906 17:38:59 SSMIS-18 85-92GHz 20.0 26.88 -32.54 26.87 -32.54 0.35 0.98 3.00 0.0
20230906 12:27:00 * Metop-C ASCAT 20.0 27.28 -32.20 27.31 -32.22 0.22 0.63 *** ***
20230906 11:36:00 * Metop-A ASCAT 20.0 27.37 -32.40 27.36 -32.39 0.27 0.76 *** ***
20230906 08:12:53 SSMIS-16 85-92GHz 20.0 27.86 -33.50 27.83 -33.48 0.41 1.16 1.30 1.5
20230906 06:20:32 SSMIS-18 85-92GHz 20.0 27.96 -33.36 27.99 -33.39 0.46 1.30 1.60 1.3
20230906 04:21:46 AMSR2 85-92GHz 20.0 28.00 -33.56 27.94 -33.50 0.37 1.05 1.70 5.7
20230906 04:21:46 * AMSR2 37GHz 20.0 27.85 -33.45 27.79 -33.39 0.32 0.90 1.80 ***
20230906 00:03:00 Metop-C ASCAT 20.0 *** *** *** *** *** *** *** ***
20230905 23:09:00 Metop-A ASCAT 20.4 *** *** *** *** *** *** *** ***
20230905 19:45:00 * SSMIS-16 85-92GHz 21.8 28.05 -34.16 28.05 -34.12 0.29 0.82 3.00 3.0
20230905 17:52:13 SSMIS-18 85-92GHz 22.6 28.15 -34.33 28.15 -34.33 0.40 1.12 2.60 1.2
20230905 12:45:00 Metop-C ASCAT 24.7 *** *** *** *** *** *** *** ***
20230905 08:26:07 * SSMIS-16 85-92GHz 25.0 28.53 -34.65 28.53 -34.65 0.26 0.72 1.80 27.1
20230905 06:33:20 SSMIS-18 85-92GHz 25.0 28.40 -34.75 28.38 -34.74 0.41 1.15 2.10 6.4
20230905 03:38:50 AMSR2 85-92GHz 25.0 28.29 -34.38 28.27 -34.37 0.44 1.24 1.70 3.6
20230905 03:38:50 * AMSR2 37GHz 25.0 27.89 -34.38 27.87 -34.37 0.44 1.24 3.00 ***
20230904 22:45:00 Metop-C ASCAT 25.7 *** *** *** *** *** *** *** ***
20230904 22:42:00 Metop-C ASCAT 25.7 *** *** *** *** *** *** *** ***
20230904 21:56:15 GMI 85-92GHz 26.1 28.18 -34.49 28.13 -34.42 0.40 1.13 0.20 3.0
20230904 21:56:15 * GMI 37GHz 26.1 27.98 -34.20 27.93 -34.13 0.30 0.84 2.40 ***
20230904 19:58:14 SSMIS-16 85-92GHz 27.2 28.14 -34.54 28.18 -34.59 0.53 1.50 2.10 0.5
20230904 19:52:47 * SSMIS-17 85-92GHz 27.3 28.18 -34.02 28.23 -34.08 0.36 1.02 2.40 1.8
20230904 18:05:18 SSMIS-18 85-92GHz 28.3 28.09 -34.01 28.07 -33.99 0.41 1.15 2.80 1.7
20230904 15:32:34 AMSR2 85-92GHz 29.7 27.97 -34.19 27.94 -34.16 0.41 1.17 2.40 3.5
20230904 15:32:34 AMSR2 37GHz 29.7 27.67 -34.08 27.64 -34.05 0.59 1.68 2.60 ***
20230904 12:15:00 * Metop-A ASCAT 30.0 27.44 -33.88 27.41 -33.86 0.16 0.45 *** ***
20230904 12:11:15 GMI 85-92GHz 30.0 28.08 -33.76 28.06 -33.75 0.25 0.71 2.70 9.6
20230904 12:11:15 GMI 37GHz 30.0 27.73 -33.71 27.71 -33.69 0.28 0.80 1.80 ***
20230904 11:27:00 * Metop-C ASCAT 30.0 27.71 -33.65 27.73 -33.67 0.22 0.63 *** ***
20230904 08:34:34 SSMIS-17 85-92GHz 30.0 27.77 -33.61 27.79 -33.63 0.33 0.93 2.80 5.1
20230904 06:47:00 SSMIS-18 85-92GHz 30.0 27.58 -33.72 27.50 -33.65 0.26 0.74 2.90 3.3
20230904 04:34:27 AMSR2 85-92GHz 30.0 27.68 -33.43 27.77 -33.49 0.36 1.03 3.00 0.0
20230904 04:34:27 * AMSR2 37GHz 30.0 27.08 -33.54 27.17 -33.60 0.20 0.58 2.80 ***
20230903 23:51:00 * Metop-A ASCAT 30.1 26.85 -33.30 26.84 -33.29 0.12 0.34 *** ***
20230903 23:03:00 * Metop-C ASCAT 30.8 26.88 -33.24 26.90 -33.29 0.12 0.33 *** ***
20230903 20:06:08 SSMIS-17 85-92GHz 33.2 26.79 -32.56 26.80 -32.61 0.50 1.42 1.30 1.3
20230903 18:18:18 * SSMIS-18 85-92GHz 35.0 26.87 -32.84 26.86 -32.78 0.40 1.14 1.60 4.4
20230903 08:48:28 * SSMIS-17 85-92GHz 35.0 26.24 -31.83 26.23 -31.82 0.42 1.18 1.70 0.9
20230903 03:51:34 AMSR2 85-92GHz 36.8 25.87 -31.19 25.97 -31.00 0.36 1.01 0.10 3.3
20230903 03:51:34 * AMSR2 37GHz 36.8 25.57 -31.47 25.67 -31.28 0.23 0.66 3.00 ***
20230902 23:24:00 Metop-C ASCAT 41.0 *** *** *** *** *** *** *** ***
20230902 22:06:15 GMI 85-92GHz 43.2 25.33 -30.80 24.86 -30.64 0.32 0.92 1.40 2.8
20230902 22:06:15 * GMI 37GHz 43.2 25.13 -30.91 24.66 -30.75 0.25 0.69 2.80 ***
20230902 20:18:53 SSMIS-17 85-92GHz 46.1 24.82 -30.54 24.99 -30.59 0.43 1.21 1.30 1.2
20230902 18:42:17 SSMIS-16 85-92GHz 48.8 24.57 -30.13 24.34 -30.03 0.53 1.50 1.20 1.0
20230902 15:43:45 AMSR2 85-92GHz 48.1 23.93 -30.00 23.78 -29.90 0.42 1.18 0.50 2.9
20230902 15:43:45 * AMSR2 37GHz 48.1 24.13 -29.51 23.98 -29.41 0.25 0.70 1.00 ***
20230902 12:21:15 GMI 85-92GHz 45.0 24.20 -29.26 24.09 -29.22 0.33 0.93 0.30 32.5
20230902 12:21:15 GMI 37GHz 45.0 23.35 -29.32 23.24 -29.28 0.40 1.13 2.90 ***
20230902 12:09:00 * Metop-C ASCAT 45.0 23.27 -29.52 23.20 -29.49 0.13 0.36 *** ***
20230902 11:18:00 * Metop-A ASCAT 43.8 23.23 -29.41 23.32 -29.44 0.13 0.37 *** ***
20230902 09:03:09 SSMIS-17 85-92GHz 40.1 *** *** *** *** *** *** 2.10 ***
20230902 07:26:21 SSMIS-16 85-92GHz 37.4 23.37 -28.80 23.67 -28.86 0.42 1.20 0.30 5.1
20230902 05:33:44 SSMIS-18 85-92GHz 34.6 22.12 -28.20 22.16 -28.21 0.40 1.14 1.30 4.9
20230902 03:09:45 AMSR2 85-92GHz 32.6 *** *** *** *** *** *** 2.20 ***
20230902 03:09:45 * AMSR2 37GHz 32.6 21.41 -28.82 21.32 -28.78 0.29 0.81 2.20 ***
20230901 23:42:00 * Metop-C ASCAT 30.0 20.81 -28.81 20.81 -28.81 0.14 0.40 *** ***
20230901 23:01:15 GMI 85-92GHz 30.0 20.42 -28.69 20.51 -28.70 0.47 1.34 0.20 1.9
20230901 23:01:15 GMI 37GHz 30.0 20.52 -28.69 20.61 -28.70 0.26 0.74 1.80 ***
20230901 22:48:00 * Metop-A ASCAT 30.0 20.64 -28.74 20.76 -28.76 0.14 0.38 *** ***
20230901 20:31:26 SSMIS-17 85-92GHz 30.0 20.60 -28.49 20.62 -28.49 0.38 1.07 1.60 2.1
20230901 18:54:16 SSMIS-16 85-92GHz 30.0 20.11 -28.77 19.95 -28.74 0.42 1.18 3.00 4.4
20230901 14:59:34 AMSR2 85-92GHz 30.0 19.68 -28.07 19.63 -28.06 0.39 1.11 1.20 5.2
20230901 14:59:34 * AMSR2 37GHz 30.0 19.83 -28.28 19.78 -28.27 0.38 1.06 0.30 ***

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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