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
19980918 11:37:20 * SSMI-14 85-92GHz 84.7 13.03 -45.64 13.04 -45.68 0.11 0.30 0.40 100.0
19980918 20:50:20 * SSMI-13 85-92GHz 90.0 13.73 -48.21 13.73 -48.19 0.12 0.33 0.20 87.2
19980919 11:01:52 * SSMI-11 85-92GHz 107.6 14.72 -51.67 14.78 -51.84 0.09 0.27 0.50 100.0
19980920 00:17:30 * SSMI-14 85-92GHz 130.2 15.76 -55.02 15.74 -54.89 0.10 0.27 0.40 100.0
19980920 12:52:59 * SSMI-14 85-92GHz 127.8 16.13 -58.02 16.09 -57.74 0.12 0.35 0.30 100.0
19980921 21:56:33 SSMI-13 85-92GHz 99.9 *** *** *** *** *** *** 0.70 ***
19980921 23:28:32 * SSMI-11 85-92GHz 92.6 18.19 -66.12 18.20 -66.19 0.14 0.39 0.40 82.3
19980922 10:30:56 * SSMI-13 85-92GHz 102.5 18.23 -68.22 18.29 -68.45 0.11 0.31 0.50 100.0
19980922 12:02:28 SSMI-11 85-92GHz 104.9 *** *** *** *** *** *** 0.50 ***
19980923 01:22:35 * SSMI-14 85-92GHz 68.9 18.59 -71.40 18.64 -71.70 0.12 0.35 0.80 94.5
19980923 13:56:22 * SSMI-14 85-92GHz 65.0 19.34 -73.72 19.41 -73.88 0.21 0.59 1.10 42.8
19980924 01:10:51 * SSMI-14 85-92GHz 65.0 20.38 -75.14 20.28 -74.92 0.18 0.50 1.20 72.3
19980924 13:43:28 * SSMI-14 85-92GHz 71.4 21.46 -77.34 21.56 -77.47 0.11 0.30 1.00 92.2
19980924 23:02:23 * SSMI-13 85-92GHz 79.2 22.73 -78.94 22.82 -79.06 0.12 0.33 1.00 84.0
19980925 00:30:33 * SSMI-11 85-92GHz 80.4 22.76 -79.15 22.67 -79.01 0.14 0.39 1.00 72.6
19980925 11:34:07 * SSMI-13 85-92GHz 89.6 23.85 -81.12 23.87 -81.15 0.14 0.41 0.50 59.4
19980925 13:01:20 * SSMI-11 85-92GHz 90.0 24.05 -81.20 23.82 -80.98 0.15 0.43 0.60 30.3
19980925 22:51:00 * SSMI-13 85-92GHz 90.0 24.70 -83.02 24.74 -83.15 0.16 0.46 0.50 13.1
19980926 00:17:49 * SSMI-11 85-92GHz 90.0 25.06 -83.51 25.04 -83.43 0.16 0.47 1.40 3.6
19980926 02:28:35 * SSMI-14 85-92GHz 90.0 24.89 -84.39 24.91 -84.43 0.15 0.42 2.00 10.0
19980926 11:21:23 SSMI-13 85-92GHz 90.0 *** *** *** *** *** *** 1.30 ***
19980926 14:58:05 * SSMI-14 85-92GHz 90.0 25.98 -85.40 25.97 -85.37 0.13 0.38 0.40 77.0
19980927 02:16:42 * SSMI-14 85-92GHz 95.0 27.14 -86.71 27.19 -86.76 0.14 0.38 0.30 58.5
19980927 14:45:44 * SSMI-14 85-92GHz 95.0 28.43 -88.06 28.43 -88.06 0.15 0.41 0.40 52.8
19980928 02:05:07 * SSMI-14 85-92GHz 93.3 29.32 -88.51 29.37 -88.53 0.13 0.37 0.40 59.4
19980928 12:36:55 SSMI-13 85-92GHz 87.4 *** *** *** *** *** *** 0.50 ***
19980928 14:00:14 * SSMI-11 85-92GHz 81.6 30.40 -88.96 30.44 -88.96 0.13 0.36 0.20 63.4
19980928 14:32:37 SSMI-14 85-92GHz 79.4 30.38 -88.84 30.39 -88.84 0.16 0.44 0.20 45.3

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: Summary table, ARCHER Track table, ARCHER Track Image Archive, Intensity Estimation

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