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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
20210722 15:51:27 SSMIS-17 85-92GHz 20.9 16.07 -136.88 16.13 -136.71 0.56 1.59 1.80 0.3
20210722 15:50:18 GMI 85-92GHz 20.9 16.08 -136.98 16.13 -136.81 0.33 0.95 1.80 2.8
20210722 13:49:14 SSMIS-16 85-92GHz 21.7 16.34 -136.52 16.28 -136.76 0.33 0.92 0.30 2.2
20210722 13:23:02 SSMIS-18 85-92GHz 21.9 16.42 -136.48 16.50 -136.19 0.32 0.90 0.20 2.7
20210722 13:14:46 * SSMI-15 85-92GHz 22.0 16.33 -136.40 16.40 -136.14 0.25 0.70 0.20 4.0
20210722 03:16:52 SSMIS-17 85-92GHz 25.0 16.86 -133.96 16.88 -133.90 0.49 1.39 0.20 0.6
20210722 03:15:39 SSMIS-17 85-92GHz 25.0 16.86 -133.95 16.88 -133.90 0.50 1.42 0.20 0.6
20210722 01:14:30 * SSMIS-16 85-92GHz 25.0 16.93 -133.40 17.00 -133.12 0.27 0.77 1.20 3.0
20210722 00:48:49 SSMIS-18 85-92GHz 25.0 16.95 -133.31 17.00 -133.12 0.31 0.87 0.20 2.4
20210722 00:41:35 SSMI-15 85-92GHz 25.0 17.06 -133.23 17.10 -133.07 0.32 0.91 1.00 2.0
20210721 21:58:52 AMSR2 85-92GHz 25.0 17.12 -132.51 17.18 -132.28 0.25 0.71 1.30 4.5
20210721 13:35:03 * SSMIS-18 85-92GHz 25.0 17.81 -131.08 17.73 -131.41 0.46 1.29 1.80 0.8
20210721 13:30:02 SSMI-15 85-92GHz 25.0 17.86 -130.95 17.78 -131.31 0.48 1.34 2.30 0.6
20210721 01:00:59 * SSMIS-18 85-92GHz 27.8 18.50 -127.85 18.55 -127.57 0.32 0.91 0.20 1.9
20210720 14:36:09 * SSMIS-17 85-92GHz 30.0 18.72 -125.00 18.67 -125.10 0.33 0.93 1.50 2.9
20210720 12:33:14 SSMIS-16 85-92GHz 30.0 19.19 -124.30 19.20 -124.15 0.36 1.03 1.30 2.4
20210720 10:22:21 AMSR2 85-92GHz 30.0 19.16 -123.76 19.10 -123.39 0.37 1.03 3.50 1.4
20210720 04:35:19 GMI 85-92GHz 30.0 19.27 -122.41 19.23 -122.76 0.42 1.18 4.30 1.3
20210720 02:03:02 * SSMIS-17 85-92GHz 30.0 19.54 -121.62 19.47 -121.85 0.43 1.23 1.70 0.6
20210719 15:15:19 GMI 85-92GHz 32.3 19.35 -118.04 19.33 -117.95 0.39 1.11 1.30 3.2
20210719 14:49:16 SSMIS-17 85-92GHz 32.6 19.47 -118.20 19.48 -118.26 0.38 1.09 1.80 1.2
20210719 12:45:52 * SSMIS-16 85-92GHz 35.0 19.45 -117.74 19.42 -117.56 0.29 0.82 2.20 2.9
20210719 12:20:02 SSMI-15 85-92GHz 35.0 19.35 -117.49 19.34 -117.41 0.38 1.07 1.90 1.5
20210719 12:18:53 SSMIS-18 85-92GHz 35.0 19.55 -117.59 19.54 -117.52 0.38 1.07 0.50 1.6
20210719 09:39:10 * AMSR2 85-92GHz 37.0 19.25 -116.78 19.22 -116.68 0.36 1.02 3.70 4.8
20210719 02:16:02 * SSMIS-17 85-92GHz 43.1 18.80 -115.43 18.80 -115.58 0.27 0.76 2.40 6.6
20210719 00:12:20 SSMIS-16 85-92GHz 45.0 18.61 -115.06 18.61 -115.01 0.27 0.77 2.20 6.5
20210718 23:47:54 SSMI-15 85-92GHz 45.2 18.70 -114.74 18.70 -114.79 0.34 0.97 3.90 3.5
20210718 23:44:54 * SSMIS-18 85-92GHz 45.2 18.54 -114.99 18.54 -115.05 0.28 0.79 2.10 5.6
20210718 12:31:36 * SSMIS-18 85-92GHz 45.0 17.27 -112.50 17.23 -112.42 0.43 1.21 1.80 4.0
20210718 08:56:33 AMSR2 85-92GHz 45.0 *** *** *** *** *** *** 1.80 ***
20210718 04:45:18 GMI 85-92GHz 42.9 17.81 -111.13 17.86 -111.25 0.41 1.17 0.90 4.9
20210717 23:57:13 SSMIS-18 85-92GHz 35.0 17.40 -110.23 17.40 -110.23 0.56 1.59 0.30 0.5
20210717 15:25:18 * GMI 85-92GHz 32.9 16.88 -109.12 16.85 -109.04 0.23 0.64 2.10 21.6
20210717 13:35:27 * SSMIS-17 85-92GHz 31.3 16.71 -108.89 16.80 -109.15 0.32 0.90 1.50 6.9
20210717 11:31:14 SSMIS-16 85-92GHz 30.0 16.90 -108.32 16.93 -108.41 0.61 1.72 1.40 0.4

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

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