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
		20201223 11:39:09 * SSMIS-17 85-92GHz 20.0 8.05 106.19 8.05 106.21 0.30 0.86 0.20 3.2
		20201222 21:16:10 SSMIS-18 85-92GHz 21.5 8.43 108.78 8.45 108.88 0.29 0.82 0.80 13.2 20201222 21:15:16 SSMIS-18 85-92GHz 21.5 8.43 108.73 8.45 108.83 0.31 0.86 0.70 16.4 20201222 21:06:05 SSMIS-16 85-92GHz 21.6 8.44 108.80 8.45 108.88 0.30 0.86 0.80 11.6
		20201222 08:26:33 SSMIS-16 85-92GHz 25.0 8.35 110.51 8.35 110.51 0.48 1.36 1.40 2.5
		20201222 06:34:53 AMSR2 85-92GHz 25.0 *** *** *** *** *** *** 1.80 ***
		20201221 23:03:54 SSMIS-17 85-92GHz 30.0 8.13 110.88 8.08 110.84 0.59 1.68 0.20 0.2
		20201221 21:28:14 * SSMIS-18 85-92GHz 30.0 8.22 110.71 8.38 110.79 0.33 0.95 3.90 2.9 20201221 21:27:39 SSMIS-18 85-92GHz 30.0 8.23 110.69 8.40 110.77 0.37 1.05 3.70 3.5 20201221 21:18:51 SSMIS-16 85-92GHz 30.0 8.89 110.77 9.03 110.84 0.42 1.19 0.30 1.3
		20201221 18:08:54 * AMSR2 85-92GHz 30.0 8.15 111.38 8.18 111.44 0.44 1.24 4.50 2.7
		20201221 08:50:00 SSMIS-18 85-92GHz 25.0 *** *** *** *** *** *** 2.20 *** 20201221 08:49:05 SSMIS-18 85-92GHz 27.3 9.50 112.37 9.51 112.41 0.46 1.31 2.30 2.3 20201221 08:39:42 SSMIS-16 85-92GHz 27.2 9.45 112.34 9.46 112.36 0.36 1.00 2.20 5.0
		20201221 05:52:11 AMSR2 85-92GHz 25.1 9.56 112.26 9.58 112.30 0.47 1.32 3.20 7.4
		20201220 23:16:28 SSMIS-17 85-92GHz 30.0 9.37 114.14 9.36 114.11 0.38 1.08 3.00 3.6
		20201220 10:39:36 SSMIS-17 85-92GHz 30.9 *** *** *** *** *** *** 0.60 *** 20201220 10:38:53 SSMIS-17 85-92GHz 30.0 *** *** *** *** *** *** 0.60 ***
		20201220 09:02:48 SSMIS-18 85-92GHz 30.0 *** *** *** *** *** *** 1.50 *** 20201220 09:01:54 SSMIS-18 85-92GHz 30.0 10.78 114.98 10.80 115.07 0.44 1.25 3.10 5.4 20201220 08:53:07 * SSMIS-16 85-92GHz 30.0 10.78 114.95 10.80 115.02 0.36 1.02 3.20 11.3

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