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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
20250205 11:48:26 * GMI 85-92GHz 20.1 -21.15 46.45 -21.14 46.51 0.59 1.68 1.60 0.6
20250205 11:48:26 GMI 37GHz 20.1 *** *** *** *** *** *** 2.40 ***
20250205 06:24:00 Metop-A ASCAT 23.1 *** *** *** *** *** *** *** ***
20250205 05:39:00 Metop-C ASCAT 23.5 *** *** *** *** *** *** *** ***
20250204 22:23:26 * GMI 85-92GHz 26.3 -20.48 49.37 -20.50 49.20 0.40 1.14 1.00 1.8
20250204 22:23:26 GMI 37GHz 26.3 *** *** *** *** *** *** 1.20 ***
20250204 17:33:00 * Metop-A ASCAT 30.4 -20.08 49.73 -20.08 49.74 0.12 0.35 *** ***
20250204 15:03:26 SSMIS-16 85-92GHz 32.5 -20.17 50.15 -20.12 50.21 0.45 1.27 2.00 0.5
20250204 12:22:23 * SSMIS-18 85-92GHz 35.0 -19.74 50.50 -19.66 50.50 0.40 1.13 1.70 0.9
20250204 10:31:02 * AMSR2 85-92GHz 35.6 -19.79 51.28 -19.88 51.30 0.40 1.14 2.90 1.3
20250204 10:31:02 AMSR2 37GHz 35.6 *** *** *** *** *** *** 0.90 ***
20250204 02:30:22 * SSMIS-16 85-92GHz 39.0 -18.89 50.85 -18.89 50.85 0.37 1.05 3.00 0.0
20250203 23:49:21 SSMIS-18 85-92GHz 40.0 *** *** *** *** *** *** 3.00 ***
20250203 23:08:27 GMI 85-92GHz 40.0 *** *** *** *** *** *** 3.00 ***
20250203 23:08:27 * GMI 37GHz 40.0 -18.69 49.62 -18.67 49.57 0.47 1.32 3.00 ***
20250203 22:19:49 AMSR2 85-92GHz 40.0 -18.15 51.09 -18.02 50.86 0.50 1.43 0.20 1.3
20250203 22:19:49 AMSR2 37GHz 40.0 -17.85 50.57 -17.72 50.33 0.61 1.71 2.60 ***
20250203 18:48:00 Metop-C ASCAT 40.0 -18.85 50.96 -18.87 51.01 0.51 1.44 *** ***
20250203 15:17:24 * SSMIS-16 85-92GHz 40.0 -18.28 49.53 -18.06 49.38 0.23 0.65 1.00 24.0
20250203 14:41:38 SSMIS-17 85-92GHz 40.0 -17.87 49.84 -17.81 49.80 0.23 0.66 0.30 38.9
20250203 12:36:32 * SSMIS-18 85-92GHz 40.3 -18.14 50.09 -18.11 50.07 0.20 0.55 0.20 58.1
20250203 05:24:00 Metop-A ASCAT 42.8 *** *** *** *** *** *** *** ***
20250203 02:43:34 * SSMIS-16 85-92GHz 43.9 -17.98 51.82 -17.99 51.84 0.20 0.57 2.20 14.9
20250203 02:08:11 SSMIS-17 85-92GHz 44.1 -18.10 51.54 -18.09 51.51 0.26 0.75 1.10 0.9
20250203 00:03:00 * SSMIS-18 85-92GHz 45.0 -18.25 52.14 -18.27 52.21 0.17 0.49 0.30 82.9
20250202 21:36:58 * AMSR2 85-92GHz 43.0 -18.55 52.45 -18.65 52.84 0.19 0.55 2.00 14.2
20250202 21:36:58 AMSR2 37GHz 43.0 -18.65 52.71 -18.75 53.11 0.22 0.61 0.80 ***
20250202 18:15:00 * Metop-A ASCAT 40.2 -18.16 54.24 -18.25 54.60 0.37 1.06 *** ***
20250202 14:55:12 SSMIS-17 85-92GHz 37.4 -19.22 53.81 -19.26 53.99 0.50 1.41 2.30 1.3
20250202 12:23:26 * GMI 85-92GHz 35.0 -19.15 54.88 -19.15 55.15 0.23 0.65 0.20 73.8
20250202 12:23:26 GMI 37GHz 35.0 -19.15 55.67 -19.15 55.95 0.53 1.48 2.20 ***
20250202 05:48:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20250202 05:45:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20250202 05:00:00 * Metop-C ASCAT 35.0 -18.72 57.12 -18.76 57.00 0.27 0.76 *** ***
20250202 02:22:03 SSMIS-17 85-92GHz 35.0 -18.59 58.53 -18.60 58.50 0.57 1.60 3.00 0.2
20250202 00:16:28 SSMIS-18 85-92GHz 35.0 *** *** *** *** *** *** 2.70 ***
20250201 22:58:26 GMI 85-92GHz 35.0 -18.35 58.97 -18.39 58.87 0.50 1.42 1.90 0.7
20250201 22:58:26 * GMI 37GHz 35.0 -18.90 58.81 -18.94 58.71 0.32 0.92 2.30 ***
20250201 17:51:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20250201 16:57:00 * Metop-A ASCAT 35.0 -17.97 59.91 -18.02 59.82 0.11 0.32 *** ***
20250201 14:03:26 SSMIS-16 85-92GHz 35.0 -17.88 60.60 -17.91 60.53 0.42 1.18 2.50 0.9
20250201 10:00:32 AMSR2 85-92GHz 35.0 -17.50 61.19 -17.57 61.00 0.20 0.56 1.50 52.6
20250201 10:00:32 * AMSR2 37GHz 35.0 -17.45 61.24 -17.52 61.05 0.15 0.42 0.30 ***
20250201 05:21:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20250201 04:24:00 * Metop-A ASCAT 35.0 -16.94 61.76 -16.98 61.63 0.14 0.40 *** ***
20250201 01:29:26 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 3.00 ***
20250131 17:15:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20250131 14:17:03 SSMIS-16 85-92GHz 35.0 -17.00 64.97 -17.00 64.91 0.53 1.49 2.40 1.1
20250131 13:42:36 SSMIS-17 85-92GHz 35.0 -16.94 65.17 -16.95 64.96 0.39 1.09 2.60 3.6
20250131 12:13:27 GMI 85-92GHz 35.0 -16.92 65.46 -16.89 65.59 0.35 0.99 2.70 14.7
20250131 12:13:27 GMI 37GHz 35.0 -16.87 65.46 -16.84 65.59 0.45 1.27 0.50 ***
20250131 11:36:57 * SSMIS-18 85-92GHz 35.0 -16.87 65.66 -16.87 65.68 0.28 0.79 2.70 12.1
20250131 09:17:52 AMSR2 85-92GHz 35.0 -16.59 66.20 -16.52 66.31 0.25 0.71 2.90 11.3
20250131 09:17:52 * AMSR2 37GHz 35.0 -16.44 66.10 -16.37 66.21 0.17 0.47 1.30 ***
20250131 04:48:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20250131 04:48:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20250131 01:42:20 SSMIS-16 85-92GHz 35.0 -15.75 65.76 -15.79 65.65 0.43 1.20 1.40 1.3
20250131 01:08:20 * SSMIS-17 85-92GHz 35.0 -15.85 65.91 -15.91 65.71 0.25 0.72 1.50 4.0
20250130 23:02:35 SSMIS-18 85-92GHz 35.0 -16.11 67.38 -16.10 67.29 0.56 1.57 1.30 0.9
20250130 22:48:26 GMI 85-92GHz 35.0 -16.11 67.32 -16.10 67.19 0.57 1.61 1.40 0.7
20250130 22:48:26 GMI 37GHz 35.0 -16.11 67.21 -16.10 67.09 0.56 1.58 0.60 ***
20250130 21:05:09 AMSR2 85-92GHz 35.0 -16.17 67.61 -16.20 67.73 0.31 0.87 1.20 16.3
20250130 21:05:09 * AMSR2 37GHz 35.0 -16.27 67.61 -16.30 67.73 0.21 0.59 1.00 ***
20250130 13:56:46 SSMIS-17 85-92GHz 35.0 -16.26 69.30 -16.24 69.17 0.47 1.34 1.40 0.7
20250130 11:50:36 SSMIS-18 85-92GHz 35.0 -16.85 69.88 -16.85 69.96 0.43 1.22 0.80 1.0
20250130 08:34:45 * AMSR2 85-92GHz 35.0 -16.48 70.79 -16.48 70.81 0.23 0.65 0.90 4.1
20250130 08:34:45 AMSR2 37GHz 35.0 -16.38 70.58 -16.38 70.60 0.24 0.67 0.40 ***
20250130 01:22:01 SSMIS-17 85-92GHz 35.0 *** *** *** *** *** *** 2.90 ***
20250129 23:15:44 SSMIS-18 85-92GHz 34.7 *** *** *** *** *** *** 2.50 ***
20250129 20:21:54 AMSR2 85-92GHz 33.5 *** *** *** *** *** *** 3.00 ***
20250129 20:21:54 AMSR2 37GHz 33.5 *** *** *** *** *** *** 3.00 ***
20250129 17:15:00 * Metop-C ASCAT 32.2 -15.34 74.06 -15.37 74.01 0.54 1.53 *** ***
20250129 17:12:00 Metop-C ASCAT 32.2 *** *** *** *** *** *** *** ***
20250129 13:03:50 SSMIS-16 85-92GHz 30.0 *** *** *** *** *** *** 3.00 ***
20250129 12:03:27 * GMI 85-92GHz 30.0 -14.26 75.25 -14.18 75.33 0.40 1.14 1.90 3.4
20250129 12:03:27 GMI 37GHz 30.0 *** *** *** *** *** *** 0.90 ***
20250129 04:42:00 * Metop-C ASCAT 33.0 -13.55 76.17 -13.71 76.07 0.27 0.78 *** ***
20250129 03:45:00 Metop-A ASCAT 33.4 -14.41 74.93 -14.19 75.03 0.98 2.77 *** ***
20250128 16:39:00 * Metop-A ASCAT 35.0 -12.14 76.33 -12.19 76.34 0.14 0.41 *** ***
20250128 15:54:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20250128 13:17:54 SSMIS-16 85-92GHz 35.0 -12.33 76.64 -12.37 76.66 0.45 1.27 1.90 3.9
20250128 12:45:02 * SSMIS-17 85-92GHz 35.0 -12.53 75.51 -12.48 75.49 0.31 0.88 2.30 1.5

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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