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
		20210622 10:36:11 SSMIS-17 85-92GHz 40.0 *** *** *** *** *** *** 1.10 *** 20210622 10:20:19 GMI 85-92GHz 40.0 *** *** *** *** *** *** 2.30 ***
		20210622 09:29:18 SSMIS-18 85-92GHz 40.0 *** *** *** *** *** *** 2.70 *** 20210622 09:28:16 SSMIS-18 85-92GHz 40.0 *** *** *** *** *** *** 2.10 *** 20210622 09:13:03 SSMI-15 85-92GHz 40.0 *** *** *** *** *** *** 1.90 ***
		20210622 06:33:35 AMSR2 85-92GHz 40.0 *** *** *** *** *** *** 3.00 ***
		20210621 22:15:10 SSMIS-17 85-92GHz 40.0 37.00 -71.35 37.29 -70.61 0.60 1.71 2.10 0.3
		20210621 21:06:49 SSMIS-18 85-92GHz 40.0 36.92 -71.32 36.87 -71.52 0.52 1.47 1.10 1.6 20210621 20:53:01 * SSMI-15 85-92GHz 40.0 36.99 -71.20 36.97 -71.27 0.45 1.26 1.00 3.4
		20210621 18:33:46 AMSR2 85-92GHz 40.0 *** *** *** *** *** *** 0.30 ***
		20210621 12:32:53 SSMIS-17 85-92GHz 35.0 *** *** *** *** *** *** 1.80 *** 20210621 11:10:18 GMI 85-92GHz 35.0 *** *** *** *** *** *** 3.10 *** 20210621 10:18:07 SSMIS-16 85-92GHz 35.0 *** *** *** *** *** *** 1.00 ***
		20210621 09:43:30 SSMIS-18 85-92GHz 35.4 35.27 -77.23 35.02 -77.68 0.43 1.23 2.70 3.0 20210621 09:43:22 SSMIS-18 85-92GHz 35.0 35.28 -77.21 35.03 -77.66 0.40 1.14 2.70 3.3 20210621 09:31:04 SSMI-15 85-92GHz 35.0 35.23 -77.37 35.04 -77.72 0.56 1.57 0.30 0.2 20210621 07:30:44 * AMSR2 85-92GHz 35.0 35.09 -77.99 35.40 -77.44 0.43 1.22 1.50 5.9
		20210621 00:09:02 * SSMIS-17 85-92GHz 30.0 34.36 -80.53 34.32 -80.67 0.52 1.47 0.50 1.6
		20210620 21:53:56 * SSMIS-16 85-92GHz 28.2 33.55 -81.58 33.45 -81.97 0.35 0.98 1.30 5.9 20210620 21:08:20 SSMI-15 85-92GHz 27.6 33.68 -81.66 33.65 -81.79 0.38 1.06 1.20 4.0
		20210620 12:47:33 SSMIS-17 85-92GHz 25.0 33.63 -84.56 33.58 -84.85 0.40 1.13 3.10 2.4 20210620 12:47:09 * SSMIS-17 85-92GHz 25.0 33.63 -84.53 33.58 -84.81 0.41 1.15 3.10 2.5 20210620 10:32:04 SSMIS-16 85-92GHz 25.0 33.73 -84.89 33.84 -84.53 0.56 1.59 3.00 0.9
		20210620 09:56:58 * SSMIS-18 85-92GHz 25.0 33.67 -84.88 33.51 -85.25 0.29 0.82 3.00 17.1
		20210620 00:21:58 * SSMIS-17 85-92GHz 25.0 32.18 -87.63 32.12 -87.73 0.63 1.79 1.40 0.0
		20210619 22:06:24 SSMIS-16 85-92GHz 28.2 31.50 -87.71 31.37 -87.90 0.52 1.48 3.60 1.3 20210619 21:31:18 * SSMIS-18 85-92GHz 29.1 31.69 -87.73 31.62 -87.84 0.50 1.42 3.40 1.3 20210619 21:23:43 SSMI-15 85-92GHz 29.3 31.73 -87.69 31.67 -87.78 0.64 1.80 3.20 0.0
		20210619 18:44:47 * AMSR2 85-92GHz 33.8 31.52 -88.25 31.38 -88.42 0.57 1.62 3.50 1.2
		20210619 13:01:37 * SSMIS-17 85-92GHz 37.8 30.54 -90.34 30.25 -90.61 0.49 1.38 3.50 1.1 20210619 13:01:36 * SSMIS-17 85-92GHz 39.1 30.93 -90.37 30.64 -90.64 0.53 1.50 2.90 0.4 20210619 10:46:23 SSMIS-16 85-92GHz 40.0 30.41 -90.28 30.63 -90.09 0.53 1.49 3.20 4.6
		20210619 07:45:01 * AMSR2 85-92GHz 40.0 29.88 -91.32 30.10 -91.16 0.37 1.04 0.30 3.9

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