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
		20190830 18:49:57 * AMSR2 85-92GHz 20.0 17.82 102.44 17.78 102.64 0.42 1.18 4.50 2.5
		20190830 11:03:17 SSMIS-17 85-92GHz 22.9 17.42 103.36 17.43 103.29 0.51 1.44 2.10 0.9 20190830 10:07:23 SSMIS-18 85-92GHz 23.3 *** *** *** *** *** *** 1.40 *** 20190830 10:06:50 * SSMIS-18 85-92GHz 23.3 17.10 103.04 17.13 102.81 0.43 1.21 1.50 1.1
		20190830 06:37:51 * AMSR2 85-92GHz 24.7 17.25 103.57 17.25 103.77 0.41 1.15 3.10 3.7
		20190829 23:50:01 SSMIS-17 85-92GHz 28.4 *** *** *** *** *** *** 2.50 *** 20190829 23:21:40 GMI 85-92GHz 28.7 17.85 104.81 17.85 104.79 0.49 1.38 2.90 2.4 20190829 22:54:02 SSMIS-18 85-92GHz 28.9 *** *** *** *** *** *** 0.70 *** 20190829 22:52:27 SSMIS-18 85-92GHz 29.0 *** *** *** *** *** *** 0.80 ***
		20190829 20:55:52 SSMIS-16 85-92GHz 30.0 17.50 105.08 17.50 105.16 0.56 1.59 3.00 1.6
		20190829 11:16:27 SSMIS-17 85-92GHz 35.0 17.85 109.05 17.85 108.99 0.63 1.79 2.80 0.1 20190829 10:19:36 SSMIS-18 85-92GHz 35.0 *** *** *** *** *** *** 2.60 *** 20190829 10:01:39 GMI 85-92GHz 35.0 17.78 109.66 17.80 109.29 0.41 1.15 3.00 7.9
		20190829 08:21:30 * SSMIS-16 85-92GHz 35.0 17.60 108.15 17.61 108.11 0.37 1.06 1.80 24.2
		20190829 05:54:49 AMSR2 85-92GHz 35.0 17.65 109.46 17.64 109.58 0.46 1.29 1.40 8.7
		20190828 21:25:05 * SSMIS-18 85-92GHz 35.0 16.86 112.78 16.82 112.96 0.30 0.85 1.00 2.0 20190828 21:08:37 SSMIS-16 85-92GHz 35.0 18.10 111.79 18.08 111.92 0.47 1.33 1.80 5.1
		20190828 08:34:13 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 2.60 ***
		20190828 05:11:33 AMSR2 85-92GHz 35.0 16.37 116.22 16.38 116.06 0.53 1.50 0.20 0.8
		20190827 22:35:38 SSMIS-17 85-92GHz 35.0 *** *** *** *** *** *** 0.20 ***
		20190827 21:37:12 * SSMIS-18 85-92GHz 35.0 16.99 120.46 16.93 120.78 0.60 1.70 2.50 0.0 20190827 19:40:32 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 1.20 ***
		20190827 10:00:52 * SSMIS-17 85-92GHz 30.0 16.06 123.49 16.25 123.06 0.44 1.25 0.30 4.9
		20190827 09:02:10 SSMIS-18 85-92GHz 30.0 15.71 124.17 15.62 124.32 0.48 1.37 3.30 0.9 20190827 07:05:21 * SSMIS-16 85-92GHz 30.0 15.30 124.68 15.51 124.32 0.42 1.20 0.20 0.8
		20190826 22:49:44 * SSMIS-17 85-92GHz 29.0 15.12 126.56 15.19 126.37 0.42 1.18 0.50 4.5 20190826 22:46:39 GMI 85-92GHz 29.0 14.71 126.52 14.79 126.32 0.49 1.39 4.30 3.9
		20190826 19:53:52 SSMIS-16 85-92GHz 26.6 14.71 127.26 14.79 127.05 0.43 1.23 0.90 1.6
		20190826 17:36:31 AMSR2 85-92GHz 25.0 14.86 128.00 14.85 128.03 0.36 1.01 1.50 28.4
		20190826 10:13:44 * SSMIS-17 85-92GHz 25.0 13.50 130.54 13.61 130.20 0.54 1.53 3.70 0.8

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