-- 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
20250219 13:15:58 SSMIS-16 85-92GHz 37.0 -30.18 75.16 -30.12 74.98 0.39 1.11 1.00 2.8
20250219 00:49:19 SSMIS-16 85-92GHz 40.0 -30.70 75.33 -30.70 75.40 0.41 1.15 2.40 1.8
20250219 00:06:31 SSMIS-17 85-92GHz 40.0 *** *** *** *** *** *** 2.30 ***
20250218 22:05:09 SSMIS-18 85-92GHz 40.0 -31.50 76.40 -31.50 76.33 0.47 1.33 1.00 1.8
20250218 20:00:27 AMSR2 85-92GHz 40.0 *** *** *** *** *** *** 2.30 ***
20250218 13:29:38 SSMIS-16 85-92GHz 40.0 -30.98 75.71 -30.99 75.68 0.37 1.06 4.80 4.2
20250218 10:45:08 * SSMIS-18 85-92GHz 40.0 -31.20 76.14 -31.22 76.12 0.20 0.57 2.90 13.3
20250218 09:00:17 AMSR2 85-92GHz 40.0 -31.05 76.08 -31.04 76.10 0.25 0.70 3.70 9.3
20250218 01:02:46 * SSMIS-16 85-92GHz 40.0 -30.42 76.32 -30.53 76.24 0.24 0.69 2.10 3.6
20250218 00:20:24 SSMIS-17 85-92GHz 41.9 -30.53 77.66 -30.46 77.71 0.39 1.10 0.80 3.7
20250218 00:20:23 SSMIS-17 85-92GHz 40.0 -30.56 77.64 -30.48 77.69 0.50 1.41 0.80 1.8
20250217 22:18:34 SSMIS-18 85-92GHz 40.0 -30.33 77.42 -30.44 77.34 0.49 1.38 1.20 1.9
20250217 16:33:27 GMI 85-92GHz 40.0 -29.92 77.53 -29.97 77.47 0.29 0.81 0.20 37.3
20250217 13:43:24 * SSMIS-16 85-92GHz 40.0 -29.52 77.97 -29.56 77.93 0.15 0.42 1.90 3.9
20250217 13:01:06 SSMIS-17 85-92GHz 40.0 -29.33 77.90 -29.41 77.81 0.21 0.58 2.10 9.9
20250217 10:59:27 SSMIS-18 85-92GHz 40.0 -29.27 77.52 -29.29 77.49 0.25 0.71 2.10 3.9
20250217 08:17:48 AMSR2 85-92GHz 40.0 -29.60 77.65 -29.61 77.63 0.33 0.94 0.80 13.9
20250217 06:43:25 GMI 85-92GHz 40.0 -29.54 77.69 -29.49 77.79 0.23 0.65 0.80 8.0
20250217 01:16:10 SSMIS-16 85-92GHz 42.0 -29.31 77.89 -29.35 77.77 0.54 1.51 1.50 0.7
20250217 00:33:46 SSMIS-17 85-92GHz 43.0 -28.95 78.50 -28.92 78.62 0.33 0.92 5.00 3.0
20250217 00:33:35 SSMIS-17 85-92GHz 42.3 -28.98 78.49 -28.95 78.60 0.39 1.11 4.50 2.0
20250216 22:32:01 SSMIS-18 85-92GHz 44.1 -29.69 78.72 -29.73 78.61 0.34 0.97 2.00 2.2
20250216 22:31:59 SSMIS-18 85-92GHz 43.1 -29.76 78.43 -29.80 78.32 0.38 1.07 0.30 4.6
20250216 20:12:04 * AMSR2 85-92GHz 45.0 -29.75 78.99 -29.77 78.95 0.18 0.50 0.10 99.8
20250216 13:15:33 * SSMIS-17 85-92GHz 43.0 -28.30 79.79 -28.47 79.59 0.26 0.73 2.20 3.5
20250216 11:13:41 * SSMIS-18 85-92GHz 42.2 -28.21 80.20 -28.25 80.15 0.57 1.60 3.40 0.3
20250216 00:47:11 SSMIS-17 85-92GHz 55.0 -26.31 81.40 -26.12 81.58 0.60 1.69 4.30 0.2
20250216 00:47:08 * SSMIS-17 85-92GHz 46.5 -26.40 81.52 -26.21 81.70 0.60 1.69 4.00 0.3
20250215 22:45:07 SSMIS-18 85-92GHz 49.1 *** *** *** *** *** *** 1.40 ***
20250215 19:28:19 AMSR2 85-92GHz 53.2 -25.82 82.56 -25.93 82.44 0.42 1.17 4.70 2.9
20250215 06:33:27 * GMI 85-92GHz 50.0 -24.79 83.26 -24.74 83.30 0.18 0.50 3.60 26.4
20250215 00:01:02 * SSMIS-16 85-92GHz 45.0 -25.25 84.59 -25.21 84.60 0.18 0.50 3.70 16.0
20250214 17:03:27 GMI 85-92GHz 40.4 -25.09 83.63 -25.12 83.62 0.32 0.92 2.20 1.3
20250214 12:44:43 * SSMIS-16 85-92GHz 42.2 -25.50 84.11 -25.42 84.17 0.23 0.65 2.40 1.0
20250214 07:48:31 AMSR2 85-92GHz 45.0 -23.95 84.31 -24.00 84.27 0.34 0.95 3.80 4.4
20250214 07:13:27 * GMI 85-92GHz 45.0 -23.82 84.36 -23.91 84.28 0.29 0.81 3.60 6.1
20250214 00:14:27 * SSMIS-16 85-92GHz 48.6 -23.22 85.19 -23.17 85.26 0.40 1.14 3.70 2.3
20250213 21:30:56 SSMIS-18 85-92GHz 53.5 *** *** *** *** *** *** 0.10 ***
20250213 21:30:54 * SSMIS-18 85-92GHz 50.3 -23.25 85.04 -23.19 85.15 0.48 1.35 3.00 0.6
20250213 19:39:44 AMSR2 85-92GHz 51.5 -23.19 85.40 -23.24 85.31 0.44 1.25 0.10 1.5
20250213 17:48:27 GMI 85-92GHz 52.6 -23.07 85.29 -23.05 85.33 0.45 1.26 2.50 1.2
20250213 12:58:37 * SSMIS-16 85-92GHz 55.6 -22.77 86.21 -22.65 86.42 0.47 1.31 2.40 1.0
20250213 10:15:30 * SSMIS-18 85-92GHz 57.3 -22.49 86.58 -22.59 86.40 0.37 1.05 1.30 1.2
20250213 00:26:59 SSMIS-16 85-92GHz 62.3 -21.21 88.55 -21.06 88.77 0.47 1.33 1.20 0.6
20250212 23:46:53 SSMIS-17 85-92GHz 62.6 -21.31 88.49 -21.26 88.55 0.37 1.06 1.00 1.6
20250212 21:43:36 SSMIS-18 85-92GHz 64.6 -20.95 89.09 -20.74 89.34 0.33 0.94 0.90 5.5
20250212 21:43:16 * SSMIS-18 85-92GHz 63.4 -21.08 89.09 -20.87 89.34 0.34 0.96 0.70 7.3
20250212 18:56:00 * AMSR2 85-92GHz 65.0 -20.23 89.33 -19.98 89.51 0.24 0.67 1.10 32.5
20250212 12:33:15 * SSMIS-17 85-92GHz 65.0 -19.30 90.19 -19.06 90.27 0.12 0.33 1.40 97.2
20250212 10:30:25 * SSMIS-18 85-92GHz 65.0 -18.82 90.24 -19.05 90.17 0.11 0.32 1.40 100.0
20250212 08:02:22 AMSR2 85-92GHz 65.0 -18.39 90.45 -18.48 90.42 0.12 0.34 1.60 99.4
20250212 07:03:26 GMI 85-92GHz 65.0 -18.12 90.60 -18.41 90.49 0.14 0.40 1.70 78.1
20250211 23:59:26 SSMIS-17 85-92GHz 65.0 -16.89 91.18 -16.83 91.23 0.20 0.56 1.60 47.3
20250211 23:59:16 * SSMIS-17 85-92GHz 65.0 -16.89 91.18 -16.83 91.23 0.20 0.57 1.60 45.9
20250211 21:56:23 SSMIS-18 85-92GHz 65.0 -16.37 91.33 -16.19 91.45 0.16 0.45 1.90 59.5
20250211 21:56:22 * SSMIS-18 85-92GHz 65.0 -16.37 91.33 -16.19 91.45 0.16 0.45 1.90 59.5
20250211 17:38:26 GMI 85-92GHz 64.7 -16.00 91.56 -15.99 91.57 0.17 0.49 1.70 57.3
20250211 07:20:23 AMSR2 85-92GHz 55.6 -14.85 91.78 -14.94 91.74 0.27 0.77 3.00 40.5
20250211 00:12:57 * SSMIS-17 85-92GHz 45.0 -14.76 92.14 -14.74 92.15 0.39 1.11 4.80 13.7
20250210 22:09:43 SSMIS-18 85-92GHz 46.5 *** *** *** *** *** *** 0.70 ***
20250210 19:06:43 * AMSR2 85-92GHz 50.0 -14.43 91.92 -14.53 91.90 0.21 0.61 0.70 69.3
20250210 18:23:27 GMI 85-92GHz 50.0 -14.51 92.02 -14.49 92.04 0.24 0.68 0.80 54.8
20250210 12:00:45 * SSMIS-16 85-92GHz 45.0 -14.68 92.57 -14.67 92.60 0.21 0.59 1.00 48.6
20250209 12:13:59 * SSMIS-16 85-92GHz 40.0 -15.25 93.26 -15.25 93.29 0.38 1.06 2.00 7.4
20250209 11:35:29 SSMIS-17 85-92GHz 40.0 -14.95 93.18 -14.95 93.18 0.50 1.43 2.30 3.6
20250209 09:31:41 SSMIS-18 85-92GHz 40.6 -15.24 93.56 -15.25 93.61 0.46 1.29 1.60 5.4
20250209 07:33:26 GMI 85-92GHz 40.0 -15.19 93.80 -15.18 93.76 0.33 0.94 3.90 6.4
20250208 23:38:56 * SSMIS-16 85-92GHz 42.6 -14.56 95.19 -14.57 95.20 0.14 0.40 2.80 28.0
20250208 20:56:43 SSMIS-18 85-92GHz 43.8 -15.31 95.29 -15.33 95.33 0.30 0.85 0.90 25.9
20250208 19:19:19 * AMSR2 85-92GHz 45.0 -14.56 95.08 -14.51 94.98 0.15 0.42 0.10 100.0
20250208 12:27:29 SSMIS-16 85-92GHz 47.3 -15.87 95.11 -15.88 95.21 0.36 1.03 1.60 7.0
20250208 11:49:24 SSMIS-17 85-92GHz 47.6 -16.07 95.12 -16.08 95.16 0.39 1.10 1.80 4.8
20250208 09:45:07 * SSMIS-18 85-92GHz 48.4 -16.09 95.28 -16.10 95.41 0.36 1.02 4.80 6.3
20250208 06:49:25 AMSR2 85-92GHz 50.0 *** *** *** *** *** *** 2.10 ***
20250207 23:52:19 * SSMIS-16 85-92GHz 50.0 -14.95 96.68 -14.95 96.71 0.30 0.85 0.20 30.5
20250207 23:14:36 SSMIS-17 85-92GHz 50.0 -14.95 96.15 -14.95 96.13 0.52 1.48 0.30 4.5
20250207 21:10:38 SSMIS-18 85-92GHz 50.0 *** *** *** *** *** *** 1.00 ***
20250207 21:10:36 SSMIS-18 85-92GHz 50.0 -15.40 96.42 -15.40 96.48 0.57 1.62 1.00 2.7
20250207 18:48:26 * GMI 85-92GHz 50.0 -15.21 96.76 -15.21 96.92 0.19 0.54 0.10 94.9
20250207 18:36:29 AMSR2 85-92GHz 50.0 -15.26 96.64 -15.26 96.77 0.26 0.72 0.10 53.8
20250207 12:03:17 * SSMIS-17 85-92GHz 47.5 -15.73 97.50 -15.72 97.63 0.13 0.36 0.70 92.1
20250207 09:59:10 * SSMIS-18 85-92GHz 46.7 -15.64 97.56 -15.61 97.92 0.13 0.38 0.40 92.8
20250207 07:18:27 GMI 85-92GHz 45.0 *** *** *** *** *** *** 2.50 ***
20250206 23:28:01 * SSMIS-17 85-92GHz 53.2 -15.01 99.95 -15.01 99.95 0.36 1.03 2.80 0.6
20250206 21:23:48 SSMIS-18 85-92GHz 55.8 -14.63 100.86 -14.55 101.01 0.60 1.70 1.20 0.3
20250206 11:13:33 * SSMIS-16 85-92GHz 62.8 -14.44 102.01 -14.42 101.96 0.29 0.83 0.90 23.4
20250206 08:03:27 GMI 85-92GHz 64.1 *** *** *** *** *** *** 1.10 ***
20250206 07:01:49 * AMSR2 85-92GHz 64.6 -14.32 102.62 -14.28 102.34 0.29 0.82 0.30 14.4
20250205 22:38:10 SSMIS-16 85-92GHz 61.9 -14.47 105.79 -14.48 105.63 0.33 0.92 1.10 3.1
20250205 18:48:22 AMSR2 85-92GHz 60.0 -13.65 105.10 -13.65 105.29 0.20 0.56 0.10 79.1
20250205 18:38:26 GMI 85-92GHz 60.0 -14.80 106.26 -14.80 106.43 0.26 0.74 2.80 17.0
20250205 11:27:02 SSMIS-16 85-92GHz 62.7 -14.91 106.87 -14.91 106.86 0.20 0.55 1.70 6.2
20250205 10:50:25 SSMIS-17 85-92GHz 63.0 -14.93 107.04 -14.91 106.97 0.24 0.67 1.60 2.9
20250205 08:45:41 SSMIS-18 85-92GHz 63.8 -14.78 106.23 -14.79 106.26 0.32 0.91 0.30 14.5
20250205 06:18:48 * AMSR2 85-92GHz 65.0 -14.64 106.57 -14.67 106.68 0.17 0.48 0.60 79.6
20250204 22:51:45 * SSMIS-16 85-92GHz 73.9 -15.25 107.96 -15.20 107.84 0.15 0.42 0.50 91.7
20250204 22:15:28 SSMIS-is 85-92GHz 74.7 -14.99 107.80 -14.90 107.58 0.15 0.41 0.20 76.6
20250204 22:15:28 SSMIS-17 85-92GHz 74.7 -14.99 107.80 -14.90 107.58 0.15 0.41 0.20 76.6
20250204 20:10:42 * SSMIS-18 85-92GHz 77.3 -15.45 108.60 -15.44 108.55 0.16 0.46 0.30 76.3
20250204 18:05:29 * AMSR2 85-92GHz 80.0 -15.55 108.92 -15.55 109.00 0.15 0.42 0.20 83.3
20250204 11:40:36 * SSMIS-16 85-92GHz 82.6 -15.55 109.68 -15.55 109.70 0.15 0.43 2.70 16.4
20250204 11:03:52 SSMIS-17 85-92GHz 82.9 -15.48 109.75 -15.50 109.70 0.16 0.45 2.10 11.5
20250204 08:59:13 SSMIS-18 85-92GHz 83.8 -15.33 110.62 -15.32 110.68 0.16 0.46 0.60 31.7
20250204 07:53:26 GMI 85-92GHz 85.0 -15.31 110.74 -15.33 110.66 0.13 0.37 0.80 78.2
20250203 23:05:19 SSMIS-16 85-92GHz 79.2 -15.34 112.03 -15.34 111.96 0.16 0.47 0.90 57.3
20250203 22:29:06 * SSMIS-17 85-92GHz 78.7 -15.39 112.28 -15.39 112.11 0.12 0.34 1.00 99.2
20250203 20:24:05 SSMIS-18 85-92GHz 75.0 -15.03 112.84 -15.03 112.83 0.13 0.37 1.30 93.8
20250203 20:24:00 * SSMIS-18 85-92GHz 77.0 -15.07 112.81 -15.07 112.80 0.13 0.38 1.30 90.7
20250203 18:28:27 GMI 85-92GHz 75.0 *** *** *** *** *** *** 1.50 ***
20250203 06:30:55 AMSR2 85-92GHz 70.4 -14.80 113.99 -14.80 114.09 0.14 0.39 0.50 90.8
20250202 22:43:11 * SSMIS-17 85-92GHz 67.0 -15.10 114.85 -15.10 114.78 0.15 0.42 0.40 86.5
20250202 19:13:26 GMI 85-92GHz 65.0 -15.40 115.27 -15.40 115.15 0.17 0.48 2.90 92.7
20250202 10:26:50 SSMIS-16 85-92GHz 56.1 -14.24 116.29 -14.20 116.30 0.25 0.70 0.30 56.3
20250202 07:38:26 GMI 85-92GHz 49.1 -14.06 116.43 -14.00 116.45 0.15 0.43 0.50 96.3
20250202 05:48:10 AMSR2 85-92GHz 44.7 -14.40 116.23 -14.41 116.23 0.21 0.59 0.40 76.8

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: ARCHER Track page

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