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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
20171204 05:49:44 AMSR2 85-92GHz 30.1 -17.03 111.25 -17.00 111.26 0.41 1.15 2.00 2.1
20171204 05:49:44 AMSR2 37GHz 30.1 -17.48 111.46 -17.45 111.47 0.31 0.87 1.20 ***
20171204 05:30:00 Geo Vis 30.3 -16.95 113.44 -16.95 113.44 3.36 9.49 0.10 ***
20171204 05:30:00 Geo NearIR 30.3 *** *** *** *** *** *** 0.10 ***
20171204 05:30:00 Geo IR 30.3 -15.45 111.63 -15.45 111.63 3.36 9.49 0.70 0.0
20171204 02:30:00 Geo Vis 31.9 *** *** *** *** *** *** 0.20 ***
20171204 02:30:00 Geo NearIR 31.9 *** *** *** *** *** *** 0.10 ***
20171204 02:30:00 Geo IR 31.9 -17.95 113.16 -17.95 113.16 3.36 9.49 0.50 4.4
20171204 02:12:00 Metop-A ASCAT 32.1 -16.32 111.16 -16.35 111.15 0.19 0.53 *** ***
20171204 01:30:00 * Metop-B ASCAT 32.5 -16.35 111.25 -16.45 111.20 0.14 0.39 *** ***
20171203 23:30:00 Geo Vis 33.6 *** *** *** *** *** *** 0.60 ***
20171203 23:30:00 Geo NearIR 33.6 -17.67 112.61 -17.67 112.61 0.47 1.32 0.80 ***
20171203 23:30:00 Geo IR 33.6 -17.62 112.58 -17.62 112.58 0.52 1.47 0.40 4.6
20171203 22:05:43 SSMIS-18 85-92GHz 34.4 -16.66 112.59 -16.80 112.53 0.38 1.08 3.00 0.0
20171203 20:30:00 Geo NearIR 35.0 -17.85 112.15 -17.85 112.15 0.40 1.14 0.10 ***
20171203 20:30:00 Geo IR 35.0 -17.75 112.44 -17.75 112.44 1.93 5.45 0.30 3.6
20171203 17:37:11 AMSR2 85-92GHz 35.0 -16.75 112.95 -16.73 112.96 0.39 1.09 3.00 0.0
20171203 17:37:11 AMSR2 37GHz 35.0 -16.05 111.45 -16.03 111.45 0.47 1.34 1.80 ***
20171203 17:30:00 * Geo NearIR 35.0 -17.36 112.55 -17.36 112.55 0.23 0.64 0.10 ***
20171203 17:30:00 Geo IR 35.0 -17.18 112.57 -17.18 112.57 0.39 1.10 0.60 0.6
20171203 15:31:39 * GMI 85-92GHz 35.0 -16.09 112.70 -15.89 112.79 0.19 0.53 1.10 48.7
20171203 15:31:39 GMI 37GHz 35.0 -15.94 112.24 -15.74 112.33 0.45 1.28 1.70 ***
20171203 14:30:00 Geo NearIR 35.0 -16.75 112.04 -16.75 112.04 0.59 1.66 0.10 ***
20171203 14:30:00 * Geo IR 35.0 -16.25 112.06 -16.25 112.06 0.20 0.57 0.50 9.6
20171203 14:21:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20171203 13:24:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20171203 11:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20171203 11:30:00 Geo IR 35.0 -16.04 111.73 -16.04 111.73 1.03 2.90 0.20 2.7
20171203 10:53:45 SSMIS-18 85-92GHz 35.0 -15.77 112.04 -15.87 112.04 0.25 0.71 2.40 5.8
20171203 08:30:00 Geo Vis 35.0 -15.27 111.34 -15.27 111.34 0.26 0.72 0.40 ***
20171203 08:30:00 Geo NearIR 35.0 -15.54 111.34 -15.54 111.34 0.81 2.30 0.10 ***
20171203 08:30:00 Geo IR 35.0 -15.12 111.44 -15.12 111.44 0.53 1.50 0.60 0.2
20171203 08:04:41 * SSMIS-16 85-92GHz 35.0 -15.10 111.98 -15.17 111.98 0.24 0.69 3.00 0.0
20171203 05:30:00 Geo Vis 35.0 -14.30 111.47 -14.30 111.47 0.21 0.58 0.30 ***
20171203 05:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 ***
20171203 05:30:00 Geo IR 35.0 -14.30 111.34 -14.30 111.34 0.30 0.83 1.00 4.1
20171203 04:06:40 GMI 85-92GHz 35.0 -13.34 112.91 -13.65 112.91 0.21 0.60 3.00 0.0
20171203 04:06:40 * GMI 37GHz 35.0 -13.14 112.19 -13.45 112.19 0.16 0.46 3.00 ***
20171203 02:30:00 Geo Vis 35.0 -12.73 112.17 -12.73 112.17 0.56 1.57 0.80 ***
20171203 02:30:00 Geo NearIR 35.0 -13.93 111.71 -13.93 111.71 0.49 1.38 0.40 ***
20171203 02:30:00 Geo IR 35.0 -13.86 111.63 -13.86 111.63 0.33 0.94 0.40 -6.8
20171202 23:30:00 Geo Vis 35.0 -12.58 112.27 -12.58 112.27 0.43 1.22 0.80 ***
20171202 23:30:00 Geo NearIR 35.0 -12.93 112.50 -12.93 112.50 0.90 2.54 0.10 ***
20171202 23:30:00 Geo IR 35.0 -13.73 112.76 -13.73 112.76 3.36 9.49 0.50 18.9
20171202 22:17:07 * SSMIS-18 85-92GHz 35.0 -12.18 112.60 -12.34 112.60 0.32 0.92 1.70 3.7
20171202 20:30:00 Geo NearIR 35.0 -12.44 113.24 -12.44 113.24 0.74 2.10 0.70 ***
20171202 20:30:00 * Geo IR 35.0 -12.24 113.50 -12.24 113.50 0.42 1.18 0.10 99.5
20171202 17:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.50 ***
20171202 17:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.70 ***
20171202 14:45:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20171202 14:42:00 Metop-B ASCAT 35.0 *** *** *** *** *** *** *** ***
20171202 14:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 ***
20171202 14:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.70 ***
20171202 13:45:00 * Metop-A ASCAT 35.0 -11.55 111.97 -11.62 112.03 0.15 0.41 *** ***
20171202 11:30:00 Geo NearIR 35.8 *** *** *** *** *** *** 1.00 ***
20171202 11:30:00 Geo IR 35.8 -10.95 110.55 -10.95 110.55 3.36 9.49 0.20 2.9
20171202 11:07:18 SSMIS-18 85-92GHz 36.5 -11.42 111.92 -11.45 112.00 0.38 1.09 1.70 0.9
20171202 10:51:54 SSMIS-17 85-92GHz 36.9 -11.34 112.03 -11.40 112.16 0.43 1.21 2.60 0.7
20171202 08:30:00 Geo Vis 40.8 *** *** *** *** *** *** 0.60 ***
20171202 08:30:00 Geo NearIR 40.8 *** *** *** *** *** *** 0.70 ***
20171202 08:30:00 Geo IR 40.8 *** *** *** *** *** *** 0.90 ***
20171202 08:18:40 SSMIS-16 85-92GHz 41.1 -11.18 111.64 -11.20 111.69 0.58 1.64 2.20 0.2
20171202 06:03:49 AMSR2 85-92GHz 45.0 -10.90 111.01 -10.90 111.01 0.58 1.65 0.10 0.8
20171202 06:03:49 AMSR2 37GHz 45.0 -11.05 111.26 -11.05 111.26 0.48 1.35 1.70 ***
20171202 05:30:00 * Geo Vis 45.4 -10.25 110.45 -10.25 110.45 0.23 0.65 0.20 ***
20171202 05:30:00 Geo NearIR 45.4 -10.20 110.04 -10.20 110.04 0.64 1.82 0.80 ***
20171202 05:30:00 Geo IR 45.4 -10.20 109.86 -10.20 109.86 0.89 2.51 0.50 9.9
20171202 04:56:39 GMI 85-92GHz 45.9 -10.66 110.86 -10.65 110.85 0.32 0.92 1.30 3.5
20171202 04:56:39 GMI 37GHz 45.9 -10.86 111.32 -10.85 111.31 0.43 1.22 0.60 ***
20171202 02:30:00 * Geo Vis 47.9 -9.86 110.71 -9.86 110.71 0.17 0.47 0.20 ***
20171202 02:30:00 Geo NearIR 47.9 -10.29 110.00 -10.29 110.00 0.49 1.40 0.50 ***
20171202 02:30:00 Geo IR 47.9 -10.16 110.28 -10.16 110.28 0.56 1.60 0.90 -0.5
20171202 02:09:00 Metop-B ASCAT 48.2 *** *** *** *** *** *** *** ***
20171201 23:30:00 Geo Vis 50.4 -9.65 111.00 -9.65 111.00 1.10 3.10 0.30 ***
20171201 23:30:00 Geo NearIR 50.4 -10.35 110.24 -10.35 110.24 0.45 1.26 0.10 ***
20171201 23:30:00 Geo IR 50.4 -10.18 110.47 -10.18 110.47 0.19 0.55 0.70 4.8
20171201 22:29:20 * SSMIS-18 85-92GHz 51.3 -10.20 110.89 -10.20 110.90 0.14 0.39 0.20 78.1
20171201 20:30:00 Geo NearIR 52.9 -10.97 109.97 -10.97 109.97 0.43 1.23 0.10 ***
20171201 20:30:00 Geo IR 52.9 -10.58 110.30 -10.58 110.30 0.22 0.61 0.40 2.7
20171201 17:48:10 * AMSR2 85-92GHz 54.8 -10.34 110.29 -10.33 110.28 0.13 0.36 0.30 100.0
20171201 17:48:10 AMSR2 37GHz 54.8 -10.24 110.44 -10.23 110.43 0.23 0.66 0.20 ***
20171201 17:30:00 Geo NearIR 54.6 -10.87 109.87 -10.87 109.87 0.41 1.15 0.10 ***
20171201 17:30:00 Geo IR 54.6 -10.79 109.74 -10.79 109.74 0.13 0.37 0.30 0.6
20171201 14:30:00 Geo NearIR 52.1 -10.91 109.18 -10.91 109.18 0.29 0.82 0.10 ***
20171201 14:30:00 * Geo IR 52.1 -10.93 109.15 -10.93 109.15 0.14 0.41 0.10 30.1
20171201 11:30:00 Geo NearIR 50.0 -10.42 109.37 -10.42 109.37 0.38 1.07 0.10 ***
20171201 11:30:00 Geo IR 50.0 -10.52 109.75 -10.52 109.75 0.21 0.60 0.20 -0.2
20171201 11:20:05 SSMIS-18 85-92GHz 50.0 *** *** *** *** *** *** 0.20 ***
20171201 11:05:29 SSMIS-17 85-92GHz 50.0 -10.55 109.81 -10.57 109.86 0.44 1.24 0.50 8.3
20171201 08:32:06 SSMIS-16 85-92GHz 50.0 -9.93 109.61 -9.93 109.60 0.54 1.53 0.20 2.8
20171201 08:30:00 Geo Vis 50.0 -10.41 108.89 -10.41 108.89 0.78 2.21 0.90 ***
20171201 08:30:00 Geo NearIR 50.0 -10.98 108.59 -10.98 108.59 3.36 9.49 0.20 ***
20171201 08:30:00 Geo IR 50.0 -10.21 109.55 -10.21 109.55 0.56 1.60 0.10 -0.3
20171201 07:17:32 SSMI-15 85-92GHz 50.0 -10.27 109.59 -10.33 109.81 0.29 0.81 0.50 30.8
20171201 05:30:00 * Geo Vis 50.0 -10.04 109.04 -10.04 109.04 0.18 0.50 0.20 ***
20171201 05:30:00 Geo NearIR 50.0 -10.84 109.42 -10.84 109.42 0.49 1.38 0.60 ***
20171201 05:30:00 Geo IR 50.0 -10.66 109.27 -10.66 109.27 0.55 1.55 0.20 6.1
20171201 02:30:00 * Metop-B ASCAT 50.0 -9.89 109.41 -9.89 109.41 0.13 0.36 *** ***
20171201 02:30:00 Geo Vis 50.0 -9.69 109.23 -9.69 109.23 0.35 0.98 0.90 ***
20171201 02:30:00 Geo NearIR 50.0 -9.12 107.86 -9.12 107.86 0.27 0.75 1.00 ***
20171201 02:30:00 Geo IR 50.0 -8.89 108.42 -8.89 108.42 0.21 0.59 0.30 3.3
20171201 01:36:00 Metop-A ASCAT 50.0 -9.93 109.37 -10.02 109.46 0.13 0.38 *** ***
20171201 01:33:00 * Metop-A ASCAT 50.0 -9.88 109.32 -9.96 109.41 0.13 0.36 *** ***
20171130 23:30:00 Geo Vis 49.6 *** *** *** *** *** *** 0.90 ***
20171130 23:30:00 Geo NearIR 49.6 -9.11 108.10 -9.11 108.10 3.36 9.49 0.50 ***
20171130 23:30:00 Geo IR 49.6 -9.21 108.20 -9.21 108.20 3.36 9.49 0.10 1.6
20171130 22:41:32 * SSMIS-18 85-92GHz 48.9 -9.27 108.72 -9.28 108.84 0.17 0.48 0.60 73.5
20171130 20:30:00 Geo NearIR 47.1 -9.84 107.57 -9.84 107.57 0.60 1.69 0.10 ***
20171130 20:30:00 Geo IR 47.1 -9.47 107.98 -9.47 107.98 0.49 1.40 0.30 2.3
20171130 17:30:00 Geo NearIR 45.0 -8.97 107.42 -8.97 107.42 0.50 1.41 0.30 ***
20171130 17:30:00 Geo IR 45.0 -9.25 107.50 -9.25 107.50 0.37 1.04 0.10 19.9
20171130 16:36:39 * GMI 85-92GHz 45.0 -9.13 107.53 -9.16 107.61 0.20 0.56 0.10 69.6
20171130 16:36:39 GMI 37GHz 45.0 -9.18 107.89 -9.21 107.96 0.33 0.92 0.10 ***
20171130 14:30:00 Geo NearIR 45.0 *** *** *** *** *** *** 0.10 ***
20171130 14:30:00 Geo IR 45.0 -9.23 107.05 -9.23 107.05 0.38 1.06 0.20 2.6
20171130 14:27:00 Metop-A ASCAT 45.0 *** *** *** *** *** *** *** ***
20171130 13:45:00 Metop-B ASCAT 45.0 *** *** *** *** *** *** *** ***
20171130 11:33:02 * SSMIS-18 85-92GHz 44.3 -8.91 106.31 -8.91 106.30 0.11 0.32 2.80 0.1
20171130 11:30:00 Geo NearIR 44.2 *** *** *** *** *** *** 0.10 ***
20171130 11:30:00 Geo IR 44.2 -9.01 106.17 -9.01 106.17 0.24 0.68 0.80 -0.8
20171130 11:19:20 * SSMIS-17 85-92GHz 43.9 -8.89 106.32 -8.90 106.34 0.12 0.33 2.80 6.6
20171130 08:45:37 SSMIS-16 85-92GHz 39.6 -8.92 106.00 -8.90 105.94 0.36 1.03 2.70 -0.2
20171130 08:30:00 Geo Vis 39.2 -8.83 105.36 -8.83 105.36 3.36 9.49 0.30 ***
20171130 08:30:00 Geo NearIR 39.2 -9.10 104.98 -9.10 104.98 0.71 2.01 0.60 ***
20171130 08:30:00 Geo IR 39.2 -8.90 105.56 -8.90 105.56 0.53 1.50 0.40 10.7
20171130 07:33:58 SSMI-15 85-92GHz 37.6 -8.94 105.60 -9.01 105.85 0.23 0.66 2.90 -2.2
20171130 06:16:43 AMSR2 85-92GHz 35.0 -9.05 105.40 -9.05 105.19 0.37 1.06 0.10 49.3
20171130 06:16:43 AMSR2 37GHz 35.0 -8.95 106.05 -8.95 105.85 0.27 0.78 2.20 ***
20171130 05:30:00 Geo Vis 35.0 -9.05 105.16 -9.05 105.16 0.31 0.89 1.00 ***
20171130 05:30:00 Geo NearIR 35.0 -9.38 104.75 -9.38 104.75 3.36 9.49 1.00 ***
20171130 05:30:00 Geo IR 35.0 -9.15 104.98 -9.15 104.98 0.44 1.24 0.10 4.8
20171130 02:51:00 * Metop-B ASCAT 35.0 -8.90 105.44 -8.90 105.33 0.20 0.56 *** ***
20171130 02:30:00 Geo Vis 35.0 -8.88 104.75 -8.88 104.75 0.25 0.72 0.10 ***
20171130 02:30:00 Geo NearIR 35.0 -8.85 103.86 -8.85 103.86 1.09 3.09 0.90 ***
20171130 02:30:00 Geo IR 35.0 -8.93 104.37 -8.93 104.37 0.28 0.78 0.70 1.7
20171130 01:54:00 * Metop-A ASCAT 35.0 -8.90 105.24 -8.90 105.42 0.19 0.54 *** ***
20171129 23:30:00 Geo Vis 35.0 *** *** *** *** *** *** 0.10 ***
20171129 23:30:00 Geo NearIR 35.0 -9.39 102.81 -9.39 102.81 0.60 1.70 0.30 ***
20171129 23:30:00 Geo IR 35.0 -8.77 103.79 -8.77 103.79 0.30 0.85 0.40 5.0

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

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