-- Directory of older time series plots --


-- Link to ARCHER Track page --

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
20250827 12:54:25 AMSR2 85-92GHz 40.0 *** *** *** *** *** *** 2.10 ***
20250827 09:31:25 SSMIS-16 85-92GHz 40.5 56.94 -20.45 57.03 -20.57 0.60 1.71 0.20 0.2
20250827 08:59:10 * SSMIS-17 85-92GHz 40.6 56.61 -20.62 56.63 -20.66 0.43 1.22 0.80 1.4
20250827 07:50:28 SSMIS-16 85-92GHz 40.9 *** *** *** *** *** *** 2.00 ***
20250827 02:33:26 * GMI 85-92GHz 42.0 58.15 -21.78 58.14 -21.75 0.51 1.44 0.40 0.9
20250827 00:58:26 GMI 85-92GHz 42.3 *** *** *** *** *** *** 2.10 ***
20250826 20:08:26 GMI 85-92GHz 43.3 *** *** *** *** *** *** 1.00 ***
20250826 17:26:16 SSMIS-17 85-92GHz 43.9 *** *** *** *** *** *** 5.00 ***
20250826 13:49:28 * AMSR2 85-92GHz 44.6 58.29 -22.81 58.28 -22.75 0.57 1.62 0.20 0.4
20250826 06:10:10 SSMIS-18 85-92GHz 48.6 *** *** *** *** *** *** 0.20 ***
20250826 04:29:55 SSMIS-18 85-92GHz 49.7 *** *** *** *** *** *** 5.00 ***
20250826 01:38:27 GMI 85-92GHz 51.5 58.48 -20.65 58.58 -20.63 0.54 1.53 0.90 1.3
20250825 20:48:27 GMI 85-92GHz 54.5 57.77 -21.67 57.76 -21.67 0.60 1.70 0.20 0.5
20250825 19:52:25 SSMIS-16 85-92GHz 55.1 *** *** *** *** *** *** 1.30 ***
20250825 19:20:57 SSMIS-17 85-92GHz 55.4 57.39 -21.71 57.56 -21.67 0.49 1.38 1.80 0.8
20250825 16:16:47 SSMIS-18 85-92GHz 57.3 56.99 -21.26 57.19 -21.21 0.45 1.28 0.30 2.1
20250825 14:44:34 AMSR2 85-92GHz 58.3 56.83 -21.95 56.83 -21.95 0.45 1.28 0.10 3.2
20250825 13:06:38 AMSR2 85-92GHz 59.3 55.51 -23.55 55.31 -23.63 0.63 1.79 2.70 0.1
20250825 09:59:26 SSMIS-16 85-92GHz 63.3 55.85 -22.44 55.58 -22.73 0.47 1.33 0.40 0.0
20250825 06:25:00 SSMIS-18 85-92GHz 69.3 55.04 -23.63 54.86 -23.88 0.29 0.83 0.20 0.9
20250825 06:24:56 SSMIS-18 85-92GHz 69.3 54.99 -23.63 54.81 -23.88 0.28 0.79 0.20 1.5
20250825 04:44:48 SSMIS-18 85-92GHz 72.1 *** *** *** *** *** *** 4.30 ***
20250825 03:58:25 GMI 85-92GHz 73.4 *** *** *** *** *** *** 1.60 ***
20250825 03:31:24 AMSR2 85-92GHz 74.1 54.18 -24.68 53.96 -25.01 0.23 0.65 0.20 3.5
20250824 16:30:20 SSMIS-18 85-92GHz 80.0 *** *** *** *** *** *** 1.40 ***
20250824 10:15:17 SSMIS-16 85-92GHz 79.3 *** *** *** *** *** *** 0.20 ***
20250824 09:44:31 SSMIS-17 85-92GHz 79.1 *** *** *** *** *** *** 0.90 ***
20250824 06:41:17 SSMIS-18 85-92GHz 77.8 *** *** *** *** *** *** 2.80 ***
20250824 04:38:26 GMI 85-92GHz 76.9 *** *** *** *** *** *** 2.20 ***
20250824 04:28:56 AMSR2 85-92GHz 76.9 *** *** *** *** *** *** 3.20 ***
20250823 19:46:33 SSMIS-17 85-92GHz 75.0 *** *** *** *** *** *** 2.30 ***
20250823 18:23:33 SSMIS-18 85-92GHz 75.0 *** *** *** *** *** *** 3.30 ***
20250823 16:32:10 * AMSR2 85-92GHz 75.0 42.91 -46.14 43.23 -45.16 0.18 0.52 2.40 5.5
20250823 10:31:38 SSMIS-16 85-92GHz 75.6 *** *** *** *** *** *** 2.80 ***
20250823 10:01:13 * SSMIS-17 85-92GHz 75.8 42.03 -51.67 41.82 -52.51 0.20 0.57 2.60 3.7
20250823 08:38:30 SSMIS-18 85-92GHz 76.4 41.65 -52.52 41.67 -52.45 0.22 0.64 0.60 0.6
20250823 06:58:27 GMI 85-92GHz 77.1 41.45 -53.39 41.27 -54.16 0.19 0.54 1.00 4.3
20250823 05:26:12 * AMSR2 85-92GHz 77.7 41.17 -54.62 41.22 -54.43 0.20 0.56 4.80 2.8
20250822 22:48:27 GMI 85-92GHz 80.0 39.94 -58.24 40.11 -57.75 0.20 0.56 1.80 1.4
20250822 21:40:47 * SSMIS-17 85-92GHz 80.0 40.03 -59.58 39.84 -60.03 0.20 0.56 1.20 0.3
20250822 17:26:37 * AMSR2 85-92GHz 80.0 39.12 -61.23 39.17 -61.09 0.19 0.54 1.10 3.7
20250822 10:16:43 SSMIS-17 85-92GHz 80.0 37.94 -64.97 38.08 -64.44 0.20 0.56 3.00 1.2
20250822 08:53:49 * SSMIS-18 85-92GHz 80.0 37.81 -65.34 37.80 -65.39 0.20 0.56 3.60 2.0
20250822 07:38:26 GMI 85-92GHz 80.0 *** *** *** *** *** *** 1.80 ***
20250822 06:22:27 * AMSR2 85-92GHz 80.0 37.73 -66.12 37.65 -66.30 0.17 0.48 5.00 14.5
20250821 23:28:26 GMI 85-92GHz 85.0 36.72 -68.16 36.76 -68.07 0.16 0.44 1.40 7.1
20250821 22:24:14 SSMIS-16 85-92GHz 85.0 36.25 -68.74 36.46 -68.30 0.16 0.45 0.40 6.8
20250821 21:54:33 SSMIS-17 85-92GHz 84.5 36.31 -68.99 36.14 -69.40 0.15 0.43 0.40 25.3
20250821 20:31:35 SSMIS-18 85-92GHz 85.0 36.12 -69.44 36.15 -69.37 0.15 0.44 1.60 19.6
20250821 20:30:30 SSMIS-18 85-92GHz 81.9 36.13 -69.53 36.16 -69.45 0.16 0.45 1.70 25.8
20250821 18:21:21 AMSR2 85-92GHz 85.0 35.61 -70.18 35.51 -70.36 0.13 0.38 1.70 55.8
20250820 22:36:37 * SSMIS-16 85-92GHz 95.0 31.32 -73.11 31.62 -73.01 0.13 0.37 2.70 56.6
20250820 22:07:30 SSMIS-17 85-92GHz 95.0 31.69 -73.03 31.30 -73.13 0.14 0.39 0.20 80.1
20250820 20:45:30 SSMIS-18 85-92GHz 95.0 31.21 -73.48 31.20 -73.48 0.11 0.32 0.20 100.0
20250820 20:44:22 * SSMIS-18 85-92GHz 95.0 31.19 -73.49 31.19 -73.49 0.12 0.33 0.20 100.0
20250820 17:36:58 * AMSR2 85-92GHz 95.0 30.58 -73.48 30.61 -73.48 0.10 0.27 0.20 100.0
20250820 09:24:55 * SSMIS-18 85-92GHz 90.7 29.10 -73.55 28.95 -73.48 0.14 0.39 0.30 77.4
20250820 06:37:43 AMSR2 85-92GHz 86.0 28.53 -73.20 28.35 -73.12 0.12 0.35 0.30 100.0
20250819 23:13:27 GMI 85-92GHz 90.0 27.21 -72.53 27.31 -72.56 0.16 0.44 0.50 48.3
20250819 20:57:17 * SSMIS-18 85-92GHz 90.0 26.84 -72.70 26.80 -72.69 0.14 0.40 0.50 60.2
20250819 20:55:41 SSMIS-18 85-92GHz 90.0 26.84 -72.69 26.80 -72.69 0.13 0.38 0.50 67.4
20250819 18:30:57 AMSR2 85-92GHz 90.0 26.23 -72.42 26.11 -72.38 0.16 0.44 0.90 20.7
20250819 09:43:26 GMI 85-92GHz 93.8 25.17 -72.54 25.05 -72.48 0.15 0.44 1.50 7.4
20250818 23:53:26 * GMI 85-92GHz 115.1 23.94 -71.45 23.93 -71.44 0.13 0.36 0.60 85.5
20250818 23:01:47 SSMIS-16 85-92GHz 115.8 23.77 -71.38 23.82 -71.43 0.15 0.43 0.50 46.4
20250818 22:33:36 SSMIS-17 85-92GHz 116.2 23.74 -71.29 23.82 -71.37 0.15 0.42 0.40 58.8
20250818 22:32:12 SSMIS-17 85-92GHz 120.0 23.92 -71.42 24.00 -71.50 0.15 0.41 0.80 37.7
20250818 17:47:17 AMSR2 85-92GHz 120.0 23.42 -70.93 23.42 -70.92 0.14 0.39 0.70 86.6
20250818 10:28:26 * GMI 85-92GHz 118.7 22.80 -70.36 22.89 -70.47 0.09 0.27 0.50 100.0
20250818 06:51:24 * AMSR2 85-92GHz 115.0 22.53 -69.89 22.46 -69.75 0.10 0.28 0.50 100.0
20250817 23:14:59 * SSMIS-16 85-92GHz 110.0 21.84 -68.69 21.88 -68.76 0.10 0.30 0.70 100.0
20250817 22:47:05 * SSMIS-17 85-92GHz 110.0 21.85 -68.57 21.93 -68.71 0.11 0.31 0.60 100.0
20250817 06:08:46 * AMSR2 85-92GHz 110.0 20.31 -65.93 20.29 -65.85 0.14 0.41 0.10 91.5
20250816 23:43:27 * GMI 85-92GHz 125.7 19.94 -64.45 19.94 -64.45 0.14 0.39 0.90 42.0
20250816 17:58:21 * AMSR2 85-92GHz 140.0 19.80 -63.34 19.79 -63.30 0.13 0.36 0.10 100.0
20250816 10:23:26 * GMI 85-92GHz 119.3 19.60 -61.78 19.60 -62.14 0.12 0.35 0.10 87.4
20250816 10:06:08 SSMIS-17 85-92GHz 117.3 19.65 -61.70 19.65 -61.31 0.13 0.36 0.10 68.5
20250816 08:42:20 * SSMIS-18 85-92GHz 108.0 19.55 -61.35 19.55 -61.37 0.13 0.36 1.60 49.0
20250816 05:26:02 AMSR2 85-92GHz 88.6 19.58 -60.30 19.58 -60.40 0.13 0.37 0.20 100.0
20250815 21:34:36 * SSMIS-17 85-92GHz 71.0 19.08 -57.80 18.97 -57.55 0.16 0.45 0.30 69.2
20250815 20:10:16 * SSMIS-18 85-92GHz 68.6 19.14 -57.53 19.22 -57.71 0.09 0.25 0.30 100.0
20250815 17:14:43 AMSR2 85-92GHz 65.0 18.43 -56.87 18.49 -57.00 0.31 0.88 1.00 22.7
20250815 10:47:03 SSMIS-16 85-92GHz 64.0 18.01 -54.82 18.09 -55.07 0.22 0.62 0.30 66.5
20250815 10:20:35 * SSMIS-17 85-92GHz 63.6 17.82 -54.71 17.95 -55.07 0.18 0.52 0.30 76.8
20250815 07:13:52 SSMIS-18 85-92GHz 61.0 *** *** *** *** *** *** 0.30 ***
20250814 23:33:27 GMI 85-92GHz 59.3 17.52 -52.05 17.54 -52.10 0.21 0.61 1.60 67.1
20250814 22:13:05 SSMIS-16 85-92GHz 57.0 16.70 -51.92 16.63 -51.55 0.49 1.39 0.30 6.8
20250814 21:46:50 SSMIS-17 85-92GHz 56.3 17.88 -51.91 17.83 -51.66 0.21 0.58 2.20 61.2
20250814 18:41:40 SSMIS-18 85-92GHz 51.2 16.33 -50.73 16.29 -50.49 0.40 1.12 3.00 1.3
20250814 16:31:14 * AMSR2 85-92GHz 50.8 16.37 -50.29 16.44 -50.60 0.28 0.79 0.20 80.5
20250814 10:13:27 GMI 85-92GHz 48.5 16.30 -48.42 16.30 -48.09 0.40 1.13 0.70 13.7
20250814 07:27:45 * SSMIS-18 85-92GHz 46.2 16.55 -48.32 16.55 -48.62 0.23 0.65 0.40 46.4
20250813 15:47:59 * AMSR2 85-92GHz 43.2 15.92 -43.32 15.94 -43.04 0.27 0.76 0.40 19.1
20250813 09:33:31 * SSMIS-16 85-92GHz 40.3 16.74 -41.95 16.77 -41.72 0.28 0.79 0.50 12.5
20250813 09:07:50 SSMIS-17 85-92GHz 40.1 16.70 -41.73 16.71 -41.62 0.33 0.94 0.60 7.5
20250812 20:59:00 SSMIS-16 85-92GHz 40.0 16.90 -38.09 16.91 -38.01 0.44 1.24 0.70 3.1
20250812 20:33:41 SSMIS-17 85-92GHz 40.0 16.92 -37.96 16.91 -38.02 0.47 1.32 0.70 2.3
20250812 10:03:27 * GMI 85-92GHz 40.0 17.52 -34.95 17.57 -34.49 0.30 0.85 1.10 15.6
20250812 06:15:24 SSMIS-18 85-92GHz 40.0 17.54 -33.60 17.56 -33.42 0.45 1.26 3.00 0.3
20250812 04:12:11 AMSR2 85-92GHz 40.7 17.64 -32.80 17.67 -32.32 0.32 0.90 1.00 20.3
20250811 22:33:26 GMI 85-92GHz 40.0 *** *** *** *** *** *** 1.50 ***
20250811 17:41:55 * SSMIS-18 85-92GHz 40.0 17.50 -29.62 17.50 -29.64 0.43 1.20 0.80 3.6

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: ARCHER Track page

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