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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
20210810 05:41:16 SSMIS-16 85-92GHz 40.1 37.86 162.73 37.87 162.61 0.48 1.36 2.90 1.8
20210810 05:19:36 SSMIS-18 85-92GHz 40.3 37.88 162.44 37.87 162.55 0.60 1.69 2.90 0.4
20210810 01:53:35 * AMSR2 85-92GHz 41.7 37.93 160.21 37.92 160.58 0.33 0.92 2.20 3.3
20210810 01:53:35 AMSR2 37GHz 41.7 38.53 160.09 38.52 160.45 0.35 0.98 0.80 ***
20210809 20:11:50 * SSMIS-17 85-92GHz 44.1 38.15 156.68 38.15 156.86 0.41 1.16 2.00 1.2
20210809 18:16:59 SSMIS-16 85-92GHz 44.9 38.45 156.05 38.45 155.61 0.49 1.38 2.40 1.3
20210809 07:49:37 * SSMIS-17 85-92GHz 45.0 38.06 150.52 38.08 150.89 0.27 0.76 1.10 5.2
20210809 05:54:24 SSMIS-16 85-92GHz 45.0 38.15 149.51 38.12 149.29 0.40 1.13 1.80 2.2
20210809 05:32:53 SSMIS-18 85-92GHz 45.0 38.13 149.25 38.12 149.23 0.39 1.09 1.90 3.4
20210808 18:48:34 * SSMI-15 85-92GHz 49.3 37.15 145.45 36.99 145.09 0.37 1.06 0.50 4.3
20210808 15:45:26 AMSR2 85-92GHz 48.1 36.47 144.24 36.30 143.96 0.24 0.69 0.90 46.4
20210808 15:45:26 * AMSR2 37GHz 48.1 36.72 144.43 36.55 144.15 0.20 0.57 1.40 ***
20210808 08:02:42 * SSMIS-17 85-92GHz 45.0 35.41 142.28 35.49 142.40 0.29 0.82 2.10 16.8
20210808 06:26:06 * SSMI-15 85-92GHz 45.0 35.08 142.15 34.91 141.91 0.30 0.84 1.70 13.6
20210808 06:07:03 SSMIS-16 85-92GHz 45.0 35.02 142.25 34.91 142.09 0.35 1.00 0.20 7.4
20210807 20:03:56 SSMIS-18 85-92GHz 45.0 *** *** *** *** *** *** 2.10 ***
20210807 19:05:20 * SSMI-15 85-92GHz 45.0 33.11 140.12 33.29 140.36 0.22 0.63 1.90 45.4
20210807 16:41:44 AMSR2 85-92GHz 43.9 32.70 139.43 32.86 139.50 0.32 0.91 1.60 15.9
20210807 16:41:44 * AMSR2 37GHz 43.9 32.75 139.31 32.91 139.39 0.25 0.70 0.60 ***
20210807 06:40:57 * SSMI-15 85-92GHz 35.6 31.08 138.34 30.84 138.21 0.37 1.04 0.60 7.1
20210807 06:19:05 SSMIS-16 85-92GHz 35.3 *** *** *** *** *** *** 0.30 ***
20210806 19:22:38 * SSMI-15 85-92GHz 41.1 28.86 137.04 29.01 137.19 0.31 0.88 2.40 10.3
20210806 03:54:01 AMSR2 85-92GHz 35.0 27.37 132.88 27.29 132.36 0.61 1.71 3.00 0.0
20210806 03:54:01 * AMSR2 37GHz 35.0 27.07 132.82 26.99 132.30 0.43 1.22 1.20 ***
20210805 16:56:07 AMSR2 85-92GHz 35.0 26.91 129.89 26.90 130.03 0.37 1.06 2.70 13.2
20210805 16:56:07 * AMSR2 37GHz 35.0 26.76 130.01 26.75 130.14 0.25 0.70 1.10 ***
20210805 04:49:07 * AMSR2 85-92GHz 29.0 27.00 127.55 27.03 127.74 0.37 1.05 3.00 7.0
20210805 04:49:07 AMSR2 37GHz 29.0 *** *** *** *** *** *** 2.20 ***
20210804 17:51:45 AMSR2 85-92GHz 30.0 *** *** *** *** *** *** 3.00 ***
20210804 17:51:45 AMSR2 37GHz 30.0 *** *** *** *** *** *** 3.00 ***

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: Summary table, ARCHER Track table, ARCHER Track Image Archive, Intensity Estimation, ARCHER-ERC page, F-Decks

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