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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
20201117 07:05:19 * GMI 85-92GHz 20.0 38.62 -15.06 38.22 -15.31 0.35 0.98 0.30 7.7
20201117 07:05:19 GMI 37GHz 20.0 38.92 -14.67 38.52 -14.92 0.49 1.40 0.70 ***
20201117 06:48:36 SSMIS-17 85-92GHz 20.0 *** *** *** *** *** *** 1.60 ***
20201117 06:27:36 SSMIS-18 85-92GHz 20.0 38.98 -15.11 38.77 -15.25 0.48 1.35 2.20 1.2
20201117 04:49:48 SSMIS-16 85-92GHz 20.5 *** *** *** *** *** *** 3.00 ***
20201117 03:22:38 * AMSR2 85-92GHz 21.1 37.59 -15.91 37.39 -16.05 0.34 0.96 2.80 4.6
20201117 03:22:38 AMSR2 37GHz 21.1 *** *** *** *** *** *** 2.30 ***
20201116 22:36:00 * Metop-B ASCAT 23.1 35.80 -18.14 36.13 -17.94 0.24 0.67 *** ***
20201116 21:24:00 Metop-A ASCAT 23.6 *** *** *** *** *** *** *** ***
20201116 18:25:17 SSMIS-17 85-92GHz 24.8 *** *** *** *** *** *** 3.00 ***
20201116 16:24:11 SSMIS-18 85-92GHz 25.0 *** *** *** *** *** *** 3.00 ***
20201116 13:42:51 * AMSR2 85-92GHz 25.0 34.26 -18.03 34.49 -17.97 0.48 1.36 3.00 0.0
20201116 13:42:51 AMSR2 37GHz 25.0 *** *** *** *** *** *** 3.00 ***
20201116 11:18:00 Metop-B ASCAT 25.0 *** *** *** *** *** *** *** ***
20201116 08:43:38 SSMIS-17 85-92GHz 25.0 33.82 -17.76 33.82 -17.76 0.45 1.28 3.00 0.0
20201116 08:00:18 * GMI 85-92GHz 25.0 33.60 -17.73 33.72 -17.70 0.33 0.92 0.20 5.1
20201116 08:00:18 GMI 37GHz 25.0 32.90 -18.09 33.02 -18.06 0.37 1.04 1.40 ***
20201116 07:03:28 SSMIS-17 85-92GHz 25.0 *** *** *** *** *** *** 3.00 ***
20201116 06:42:18 SSMIS-18 85-92GHz 25.0 33.40 -17.95 33.27 -17.99 0.52 1.48 2.00 0.5
20201116 05:04:27 SSMIS-16 85-92GHz 25.4 *** *** *** *** *** *** 3.00 ***
20201116 02:41:16 AMSR2 85-92GHz 26.4 32.41 -17.77 32.42 -17.77 0.41 1.17 2.40 1.5
20201116 02:41:16 * AMSR2 37GHz 26.4 32.26 -17.95 32.27 -17.95 0.27 0.75 1.40 ***
20201115 22:57:00 Metop-B ASCAT 27.9 32.17 -18.20 32.25 -18.18 0.14 0.40 *** ***
20201115 22:15:18 GMI 85-92GHz 28.2 32.05 -18.10 32.20 -18.07 0.41 1.15 2.30 1.1
20201115 22:15:18 GMI 37GHz 28.2 32.00 -18.10 32.15 -18.07 0.29 0.83 2.20 ***
20201115 21:45:00 Metop-A ASCAT 28.4 31.96 -17.81 31.88 -17.84 0.14 0.40 *** ***
20201115 21:42:00 * Metop-A ASCAT 28.5 31.85 -18.05 31.78 -18.07 0.12 0.33 *** ***
20201115 18:37:38 SSMIS-17 85-92GHz 29.7 *** *** *** *** *** *** 3.00 ***
20201115 16:38:34 * SSMIS-16 85-92GHz 30.0 31.68 -17.98 31.70 -17.93 0.39 1.10 2.60 2.0
20201115 16:35:49 SSMIS-18 85-92GHz 30.0 *** *** *** *** *** *** 3.00 ***
20201115 14:37:17 AMSR2 85-92GHz 30.0 31.61 -17.68 31.61 -17.67 0.34 0.95 0.20 8.0
20201115 14:37:17 * AMSR2 37GHz 30.0 31.61 -18.15 31.61 -18.14 0.30 0.86 2.10 ***
20201115 11:39:00 Metop-B ASCAT 30.0 31.78 -18.16 31.79 -18.16 0.16 0.45 *** ***
20201115 10:24:00 * Metop-A ASCAT 30.0 31.37 -18.35 31.39 -18.27 0.14 0.39 *** ***
20201115 05:17:48 SSMIS-16 85-92GHz 30.6 *** *** *** *** *** *** 2.90 ***
20201115 05:14:57 SSMIS-18 85-92GHz 30.6 *** *** *** *** *** *** 1.60 ***
20201115 03:36:51 AMSR2 85-92GHz 32.0 31.65 -18.44 31.65 -18.52 0.34 0.97 2.90 5.4
20201115 03:36:51 * AMSR2 37GHz 32.0 31.55 -18.80 31.55 -18.87 0.19 0.53 1.40 ***
20201114 22:03:00 Metop-A ASCAT 34.4 *** *** *** *** *** *** *** ***
20201114 21:36:00 Metop-B ASCAT 34.7 *** *** *** *** *** *** *** ***
20201114 18:50:52 SSMIS-17 85-92GHz 35.0 *** *** *** *** *** *** 3.00 ***
20201114 16:51:36 * SSMIS-16 85-92GHz 35.0 31.61 -19.73 31.60 -19.59 0.39 1.10 1.90 4.0
20201114 16:48:23 SSMIS-18 85-92GHz 35.0 *** *** *** *** *** *** 3.00 ***
20201114 10:45:00 * Metop-A ASCAT 35.0 31.92 -20.73 31.89 -20.62 0.12 0.35 *** ***
20201114 07:30:24 SSMIS-17 85-92GHz 35.0 *** *** *** *** *** *** 3.00 ***
20201114 05:30:51 SSMIS-16 85-92GHz 35.8 31.80 -21.45 31.80 -21.42 0.40 1.12 2.50 2.0
20201114 02:53:51 AMSR2 85-92GHz 40.2 32.00 -21.65 32.00 -21.68 0.30 0.85 2.20 5.4
20201114 02:53:51 * AMSR2 37GHz 40.2 31.90 -21.83 31.90 -21.85 0.18 0.50 1.40 ***
20201113 22:00:00 * Metop-B ASCAT 46.7 31.93 -22.66 31.91 -22.86 0.15 0.42 *** ***
20201113 21:57:00 * Metop-B ASCAT 46.7 31.93 -22.67 31.91 -22.86 0.15 0.42 *** ***
20201113 17:04:41 * SSMIS-16 85-92GHz 50.0 31.59 -23.28 31.61 -23.15 0.24 0.68 0.90 11.5
20201113 14:49:36 AMSR2 85-92GHz 50.0 31.90 -24.02 31.89 -24.04 0.34 0.96 0.80 6.6
20201113 14:49:36 AMSR2 37GHz 50.0 32.05 -24.20 32.04 -24.22 0.64 1.80 0.50 ***
20201113 11:06:00 Metop-A ASCAT 50.0 *** *** *** *** *** *** *** ***
20201113 09:00:18 GMI 85-92GHz 50.0 32.25 -25.02 32.26 -25.06 0.46 1.30 0.30 6.3
20201113 09:00:18 * GMI 37GHz 50.0 31.90 -25.37 31.91 -25.41 0.20 0.58 0.60 ***
20201113 05:44:02 SSMIS-16 85-92GHz 50.0 31.80 -25.27 31.80 -25.27 0.42 1.18 2.30 5.6
20201113 05:40:28 SSMIS-18 85-92GHz 50.0 *** *** *** *** *** *** 1.90 ***
20201113 03:49:12 AMSR2 85-92GHz 50.0 31.89 -25.72 31.84 -25.91 0.53 1.50 0.20 2.9
20201113 03:49:12 * AMSR2 37GHz 50.0 32.04 -26.19 31.99 -26.38 0.34 0.97 1.90 ***
20201112 22:21:00 * Metop-B ASCAT 51.4 31.75 -27.10 31.75 -26.78 0.14 0.40 *** ***
20201112 22:18:00 * Metop-B ASCAT 51.4 31.75 -27.12 31.75 -26.77 0.14 0.40 *** ***
20201112 17:17:46 * SSMIS-16 85-92GHz 55.0 31.49 -28.04 31.50 -27.93 0.26 0.74 0.60 15.1
20201112 11:27:00 Metop-A ASCAT 55.0 *** *** *** *** *** *** *** ***
20201112 09:55:18 * GMI 85-92GHz 55.0 31.73 -30.06 31.76 -30.34 0.18 0.51 0.70 72.9
20201112 09:55:18 GMI 37GHz 55.0 31.43 -29.82 31.46 -30.10 0.21 0.60 0.70 ***
20201112 07:33:54 * SSMIS-18 85-92GHz 55.0 31.81 -30.37 31.78 -30.09 0.28 0.79 2.60 9.5
20201112 00:10:18 GMI 85-92GHz 55.0 30.91 -31.82 30.86 -31.87 0.28 0.79 0.70 13.3
20201112 00:10:18 * GMI 37GHz 55.0 31.11 -31.88 31.06 -31.93 0.24 0.69 0.40 ***
20201111 22:42:00 * Metop-B ASCAT 53.9 30.90 -32.03 31.02 -31.93 0.13 0.36 *** ***
20201111 22:39:00 * Metop-B ASCAT 53.9 30.90 -32.03 31.02 -31.93 0.13 0.36 *** ***
20201111 19:07:17 SSMIS-18 85-92GHz 50.0 *** *** *** *** *** *** 3.00 ***
20201111 17:30:25 SSMIS-16 85-92GHz 50.4 30.25 -31.98 30.28 -31.94 0.36 1.02 1.80 11.4
20201111 11:24:00 Metop-B ASCAT 55.5 *** *** *** *** *** *** *** ***
20201111 10:45:19 GMI 85-92GHz 56.0 29.44 -34.23 29.49 -34.00 0.27 0.75 2.10 13.0
20201111 10:45:19 * GMI 37GHz 56.0 29.34 -34.17 29.39 -33.94 0.16 0.46 0.80 ***
20201111 07:47:15 * SSMIS-18 85-92GHz 58.5 29.63 -34.64 29.65 -34.43 0.20 0.57 0.30 92.7
20201111 01:00:19 * GMI 85-92GHz 60.0 29.30 -35.70 29.30 -35.85 0.21 0.59 0.50 49.5
20201111 01:00:19 GMI 37GHz 60.0 *** *** *** *** *** *** 0.50 ***
20201110 23:03:00 Metop-B ASCAT 60.0 29.18 -35.97 29.19 -35.88 0.19 0.54 *** ***
20201110 23:00:00 * Metop-B ASCAT 60.0 29.13 -36.04 29.13 -35.94 0.14 0.40 *** ***
20201110 19:20:13 SSMIS-18 85-92GHz 60.0 29.25 -36.64 29.28 -36.42 0.40 1.14 0.50 5.2
20201110 11:45:00 * Metop-B ASCAT 59.4 28.79 -37.95 28.79 -37.95 0.13 0.38 *** ***
20201110 10:06:02 * SSMIS-17 85-92GHz 55.3 29.26 -38.37 29.23 -38.88 0.25 0.70 3.00 0.0
20201110 08:00:00 * SSMIS-18 85-92GHz 50.0 29.07 -38.31 29.08 -38.03 0.30 0.84 1.10 41.0

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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