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
		20210917 13:08:48 SSMIS-17 85-92GHz 15.0 *** *** *** *** *** *** 0.60 *** 20210917 11:29:44 SSMIS-16 85-92GHz 15.0 32.27 -92.60 32.29 -92.60 0.45 1.27 0.70 2.0 20210917 11:17:59 SSMIS-18 85-92GHz 15.0 32.21 -92.83 32.24 -92.83 0.47 1.32 0.90 1.6
		20210917 09:45:18 GMI 85-92GHz 15.0 31.98 -92.95 31.93 -92.95 0.54 1.53 0.70 1.0 20210917 08:21:34 AMSR2 85-92GHz 15.0 31.61 -92.54 31.63 -92.54 0.61 1.73 3.10 0.1
		20210917 00:42:38 * SSMIS-17 85-92GHz 15.0 31.58 -92.66 31.54 -92.66 0.44 1.24 4.30 1.6
		20210916 13:22:37 * SSMIS-17 85-92GHz 19.4 31.34 -93.12 31.38 -93.12 0.52 1.46 0.60 0.3
		20210916 07:38:55 * AMSR2 85-92GHz 21.8 30.95 -93.00 30.97 -92.98 0.53 1.50 1.80 0.4
		20210916 00:55:56 * SSMIS-17 85-92GHz 24.6 31.10 -92.87 31.10 -92.91 0.45 1.27 1.20 0.3
		20210915 19:33:49 * AMSR2 85-92GHz 25.0 29.85 -93.35 29.85 -93.28 0.50 1.41 0.10 1.5
		20210915 13:36:12 * SSMIS-17 85-92GHz 25.0 30.85 -94.49 30.85 -94.41 0.52 1.47 0.10 0.2
		20210915 08:34:16 * AMSR2 85-92GHz 26.9 30.56 -94.47 30.56 -94.46 0.52 1.46 2.90 0.8
		20210914 20:30:18 GMI 85-92GHz 32.9 *** *** *** *** *** *** 3.80 ***
		20210914 13:49:54 * SSMIS-17 85-92GHz 45.4 29.34 -95.48 29.35 -95.38 0.42 1.17 2.10 1.4
		20210914 07:51:37 AMSR2 85-92GHz 60.3 *** *** *** *** *** *** 4.00 ***
		20210913 19:45:21 * AMSR2 85-92GHz 52.9 27.34 -96.64 27.55 -96.55 0.47 1.32 1.80 5.7
		20210912 22:11:48 * SSMIS-16 85-92GHz 35.0 22.73 -94.97 22.69 -94.89 0.50 1.41 0.80 3.0 20210912 21:59:22 SSMIS-18 85-92GHz 35.0 *** *** *** *** *** *** 0.80 ***
		20210912 12:38:11 * SSMIS-17 85-92GHz 35.0 19.49 -93.92 19.03 -93.74 0.54 1.51 2.70 2.3 20210912 10:57:06 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 2.40 ***

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