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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
20250213 00:32:01 * SSMIS-16 85-92GHz 47.3 -36.79 75.81 -36.28 75.34 0.40 1.12 2.20 1.4
20250212 21:48:23 * SSMIS-18 85-92GHz 48.4 -36.30 77.06 -35.73 76.55 0.36 1.03 3.00 0.0
20250212 20:38:49 AMSR2 85-92GHz 48.9 -35.54 76.04 -35.48 75.98 0.44 1.23 2.10 1.7
20250212 20:38:49 AMSR2 37GHz 48.9 -35.49 75.85 -35.43 75.80 0.39 1.10 2.90 ***
20250212 18:28:26 * GMI 85-92GHz 49.8 -34.13 73.48 -33.77 73.17 0.18 0.50 3.00 0.0
20250212 18:28:26 GMI 37GHz 49.8 *** *** *** *** *** *** 3.00 ***
20250212 14:10:50 * SSMIS-17 85-92GHz 54.8 -33.46 74.31 -33.56 74.41 0.18 0.52 0.20 14.7
20250212 12:08:05 SSMIS-18 85-92GHz 57.3 -32.65 71.64 -32.46 71.47 0.47 1.34 3.00 0.0
20250212 09:37:16 AMSR2 85-92GHz 60.5 *** *** *** *** *** *** 0.30 ***
20250212 09:37:16 AMSR2 37GHz 60.5 -32.25 72.38 -31.96 72.15 0.20 0.56 2.90 ***
20250212 08:38:26 GMI 85-92GHz 61.7 -32.20 72.59 -32.16 72.56 0.26 0.74 2.60 2.5
20250212 08:38:26 * GMI 37GHz 61.7 -32.05 72.12 -32.01 72.09 0.20 0.58 2.90 ***
20250212 04:57:00 * Metop-C ASCAT 66.2 -30.91 70.59 -31.03 70.65 0.14 0.40 *** ***
20250212 00:43:55 * SSMIS-16 85-92GHz 70.9 -29.81 70.43 -29.58 70.35 0.23 0.66 2.70 4.7
20250211 19:08:26 GMI 85-92GHz 75.0 -29.02 70.35 -29.30 70.44 0.22 0.63 2.60 4.0
20250211 19:08:26 * GMI 37GHz 75.0 -29.37 70.12 -29.65 70.21 0.20 0.56 0.30 ***
20250211 09:18:26 GMI 85-92GHz 71.4 *** *** *** *** *** *** 3.00 ***
20250211 09:18:26 GMI 37GHz 71.4 *** *** *** *** *** *** 0.70 ***
20250211 08:55:43 AMSR2 85-92GHz 71.2 -27.48 69.69 -27.41 69.66 0.28 0.80 1.00 1.2
20250211 08:55:43 * AMSR2 37GHz 71.2 -27.48 69.52 -27.41 69.49 0.13 0.38 0.60 ***
20250211 05:18:00 Metop-C ASCAT 71.2 *** *** *** *** *** *** *** ***
20250211 00:56:25 * SSMIS-16 85-92GHz 78.4 -25.95 69.19 -25.71 69.10 0.19 0.54 1.00 9.0
20250210 20:48:23 AMSR2 85-92GHz 85.3 -25.26 68.72 -25.21 68.70 0.17 0.47 0.90 7.4
20250210 20:48:23 * AMSR2 37GHz 85.3 -25.21 68.44 -25.16 68.43 0.13 0.38 0.60 ***
20250210 17:06:00 Metop-A ASCAT 90.4 -24.10 68.15 -24.17 68.16 0.33 0.95 *** ***
20250210 13:39:43 * SSMIS-16 85-92GHz 91.8 -24.88 68.78 -25.02 68.80 0.12 0.33 0.30 74.2
20250210 01:09:02 * SSMIS-16 85-92GHz 99.0 -22.37 68.85 -22.53 68.73 0.16 0.46 0.60 30.3
20250209 16:42:00 * Metop-C ASCAT 105.0 -21.22 69.11 -21.31 69.06 0.22 0.62 *** ***
20250209 13:54:14 SSMIS-16 85-92GHz 105.0 -21.18 69.58 -21.24 69.55 0.12 0.35 0.50 100.0
20250209 13:15:36 * SSMIS-17 85-92GHz 105.0 -21.06 69.78 -21.19 69.71 0.11 0.31 0.50 100.0
20250209 11:11:50 * SSMIS-18 85-92GHz 105.0 -20.96 69.72 -20.99 69.71 0.10 0.29 0.50 100.0
20250209 09:03:26 * GMI 85-92GHz 105.0 -20.73 69.84 -20.70 69.88 0.10 0.29 0.60 100.0
20250209 09:03:26 GMI 37GHz 105.0 -20.73 69.79 -20.70 69.82 0.13 0.35 0.40 ***
20250209 04:18:00 Metop-C ASCAT 106.4 *** *** *** *** *** *** *** ***
20250209 01:21:50 * SSMIS-16 85-92GHz 108.9 -20.50 70.59 -20.50 70.45 0.11 0.30 0.70 100.0
20250209 00:43:33 SSMIS-17 85-92GHz 109.4 -20.59 70.72 -20.58 70.88 0.12 0.34 0.60 100.0
20250208 22:39:54 * SSMIS-18 85-92GHz 111.1 -20.48 70.98 -20.48 70.87 0.11 0.31 0.70 100.0
20250208 20:59:34 AMSR2 85-92GHz 112.5 -20.37 71.04 -20.37 71.11 0.10 0.27 0.70 100.0
20250208 20:59:34 AMSR2 37GHz 112.5 -20.42 71.04 -20.42 71.11 0.11 0.31 0.40 ***
20250208 19:38:26 * GMI 85-92GHz 113.6 -20.46 71.22 -20.47 71.10 0.09 0.26 0.60 100.0
20250208 19:38:26 GMI 37GHz 113.6 -20.36 71.17 -20.37 71.04 0.10 0.29 0.40 ***
20250208 16:12:00 Metop-A ASCAT 115.7 -20.28 71.62 -20.29 71.43 0.24 0.67 *** ***
20250208 13:29:42 * SSMIS-17 85-92GHz 116.9 -20.45 72.12 -20.46 71.97 0.14 0.38 0.60 77.9
20250208 11:25:37 * SSMIS-18 85-92GHz 117.7 -20.59 72.29 -20.59 72.28 0.13 0.36 0.60 93.3
20250208 08:26:58 * AMSR2 85-92GHz 119.0 -20.42 72.91 -20.42 72.90 0.10 0.28 0.30 100.0
20250208 08:26:58 AMSR2 37GHz 119.0 -20.37 72.91 -20.37 72.90 0.12 0.34 0.30 ***
20250208 03:42:00 Metop-A ASCAT 121.9 -20.29 73.73 -20.26 73.98 0.17 0.49 *** ***
20250208 01:35:26 * SSMIS-16 85-92GHz 123.7 -20.23 74.17 -20.25 73.98 0.10 0.29 0.40 100.0
20250208 00:57:16 SSMIS-17 85-92GHz 124.2 -20.22 74.36 -20.18 74.67 0.10 0.28 0.30 100.0
20250207 22:53:17 * SSMIS-18 85-92GHz 125.9 -20.22 74.86 -20.23 74.72 0.10 0.27 0.40 100.0
20250207 20:16:15 * AMSR2 85-92GHz 128.1 -20.11 75.26 -20.11 75.21 0.10 0.27 0.40 100.0
20250207 20:16:15 AMSR2 37GHz 128.1 -20.16 75.26 -20.16 75.21 0.10 0.29 0.20 ***
20250207 16:30:00 Metop-A ASCAT 130.0 *** *** *** *** *** *** *** ***
20250207 13:43:57 * SSMIS-17 85-92GHz 130.0 -19.91 76.64 -19.94 76.49 0.08 0.23 0.40 100.0
20250207 08:53:27 GMI 85-92GHz 130.0 *** *** *** *** *** *** 1.90 ***
20250207 08:53:27 GMI 37GHz 130.0 *** *** *** *** *** *** 2.20 ***
20250207 04:03:00 * Metop-A ASCAT 130.8 -19.63 78.59 -19.64 78.29 0.22 0.63 *** ***
20250207 01:11:23 * SSMIS-17 85-92GHz 132.0 -19.65 79.19 -19.66 78.91 0.10 0.28 0.40 100.0
20250206 19:33:18 * AMSR2 85-92GHz 135.0 -19.60 80.39 -19.61 80.22 0.08 0.22 0.40 100.0
20250206 19:33:18 AMSR2 37GHz 135.0 -19.60 80.39 -19.61 80.22 0.11 0.31 0.20 ***
20250206 16:06:00 Metop-C ASCAT 130.2 *** *** *** *** *** *** *** ***
20250206 12:54:12 * SSMIS-16 85-92GHz 122.3 -19.53 81.56 -19.48 81.77 0.09 0.25 0.40 100.0
20250206 10:12:21 SSMIS-18 85-92GHz 115.5 -19.40 81.81 -19.45 81.62 0.09 0.26 0.30 100.0
20250206 09:33:27 GMI 85-92GHz 113.9 *** *** *** *** *** *** 0.50 ***
20250206 09:33:27 GMI 37GHz 113.9 *** *** *** *** *** *** 0.10 ***
20250206 08:39:27 * AMSR2 85-92GHz 111.6 -19.34 81.98 -19.34 82.00 0.09 0.27 0.40 100.0
20250206 08:39:27 AMSR2 37GHz 111.6 -19.34 82.08 -19.34 82.10 0.11 0.30 0.20 ***
20250206 03:39:00 Metop-C ASCAT 106.0 *** *** *** *** *** *** *** ***
20250206 03:36:00 Metop-C ASCAT 106.0 *** *** *** *** *** *** *** ***
20250206 00:21:10 * SSMIS-16 85-92GHz 107.4 -19.01 83.23 -18.97 83.33 0.11 0.31 0.40 100.0
20250205 21:39:33 * SSMIS-18 85-92GHz 108.5 -19.03 83.63 -18.99 83.76 0.10 0.28 0.40 100.0
20250205 20:13:26 * GMI 85-92GHz 110.0 -18.87 83.66 -18.88 83.62 0.12 0.34 0.30 98.4
20250205 20:13:26 GMI 37GHz 110.0 -18.92 83.76 -18.93 83.73 0.13 0.37 0.20 ***
20250205 16:27:00 Metop-C ASCAT 108.1 -18.70 84.20 -18.70 84.03 0.17 0.47 *** ***
20250205 13:07:43 SSMIS-16 85-92GHz 103.9 -18.79 84.51 -18.77 84.24 0.13 0.37 0.30 96.5
20250205 12:31:04 * SSMIS-17 85-92GHz 103.1 -18.74 84.58 -18.75 84.77 0.12 0.33 0.40 100.0
20250205 10:24:47 SSMIS-18 85-92GHz 100.5 -18.77 84.75 -18.75 84.56 0.12 0.33 0.40 100.0
20250205 07:56:39 * AMSR2 85-92GHz 97.4 -18.74 85.13 -18.74 85.08 0.11 0.31 0.40 100.0
20250205 07:56:39 AMSR2 37GHz 97.4 -18.64 85.19 -18.64 85.13 0.13 0.36 0.30 ***
20250203 03:42:00 Metop-A ASCAT 95.1 -18.94 85.70 -18.95 85.70 3.36 9.49 *** ***

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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