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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
20200213 11:30:00 Geo NearIR 50.3 -31.58 160.79 -31.58 160.79 0.24 0.69 0.10 ***
20200213 11:30:00 * Geo IR 50.3 -31.43 160.67 -31.43 160.67 0.19 0.54 0.10 9.5
20200213 09:45:00 Metop-A ASCAT 51.2 *** *** *** *** *** *** *** ***
20200213 08:30:00 Geo NearIR 51.9 -30.76 160.74 -30.76 160.74 3.36 9.49 0.10 ***
20200213 08:30:00 Geo IR 51.9 -31.36 160.74 -31.36 160.74 3.36 9.49 0.10 -0.1
20200213 06:52:44 SSMIS-18 85-92GHz 52.8 -29.26 160.58 -28.93 160.72 0.37 1.03 1.40 3.6
20200213 05:30:00 Geo Vis 53.6 -29.46 160.41 -29.46 160.41 0.34 0.96 0.90 ***
20200213 05:30:00 Geo NearIR 53.6 *** *** *** *** *** *** 0.50 ***
20200213 05:30:00 Geo IR 53.6 *** *** *** *** *** *** 0.80 ***
20200213 05:20:01 SSMIS-16 85-92GHz 53.7 -28.69 160.85 -28.73 160.84 0.37 1.04 3.00 6.3
20200213 03:14:25 AMSR2 85-92GHz 54.9 -28.41 160.72 -28.24 160.79 0.31 0.88 2.20 8.2
20200213 03:14:25 * AMSR2 37GHz 54.9 -28.21 160.72 -28.04 160.79 0.29 0.82 1.40 ***
20200213 02:30:00 Geo Vis 55.0 -28.36 160.25 -28.36 160.25 0.67 1.90 0.10 ***
20200213 02:30:00 Geo NearIR 55.0 *** *** *** *** *** *** 0.90 ***
20200213 02:30:00 Geo IR 55.0 -28.99 161.79 -28.99 161.79 3.36 9.49 0.20 47.2
20200212 23:30:00 Geo Vis 55.0 -28.14 161.49 -28.14 161.49 0.27 0.77 0.30 ***
20200212 23:30:00 Geo NearIR 55.0 *** *** *** *** *** *** 0.40 ***
20200212 23:30:00 Geo IR 55.0 *** *** *** *** *** *** 0.80 ***
20200212 22:39:00 Metop-B ASCAT 55.0 *** *** *** *** *** *** *** ***
20200212 22:36:00 Metop-B ASCAT 55.0 *** *** *** *** *** *** *** ***
20200212 21:21:00 * Metop-A ASCAT 55.0 -26.82 161.40 -26.55 161.49 0.15 0.43 *** ***
20200212 20:30:00 Geo Vis 55.0 -27.07 162.42 -27.07 162.42 1.41 3.98 0.80 ***
20200212 20:30:00 Geo NearIR 55.0 -27.27 162.78 -27.27 162.78 1.76 4.98 0.90 ***
20200212 20:30:00 Geo IR 55.0 -27.75 162.81 -27.75 162.81 0.60 1.70 1.00 5.0
20200212 18:23:45 SSMIS-18 85-92GHz 55.0 -25.95 161.68 -25.70 161.73 0.32 0.91 2.10 7.8
20200212 17:30:00 Geo NearIR 55.4 *** *** *** *** *** *** 1.00 ***
20200212 17:30:00 Geo IR 55.4 -26.20 162.80 -26.20 162.80 2.09 5.91 0.10 12.5
20200212 17:11:39 * GMI 85-92GHz 55.7 -25.80 161.73 -25.88 161.72 0.31 0.89 1.80 8.9
20200212 17:11:39 GMI 37GHz 55.7 -25.75 161.90 -25.83 161.89 0.48 1.36 1.30 ***
20200212 16:51:06 SSMIS-16 85-92GHz 56.0 -25.71 161.64 -25.89 161.61 0.55 1.54 1.70 1.8
20200212 14:30:00 Geo NearIR 57.9 *** *** *** *** *** *** 0.40 ***
20200212 14:30:00 Geo IR 57.9 *** *** *** *** *** *** 0.90 ***
20200212 11:30:00 Geo NearIR 60.8 -25.48 162.81 -25.48 162.81 0.49 1.39 0.10 ***
20200212 11:30:00 Geo IR 60.8 -25.51 162.78 -25.51 162.78 2.18 6.15 0.10 3.5
20200212 11:24:00 * Metop-B ASCAT 61.0 -24.24 161.99 -24.26 161.99 0.16 0.44 *** ***
20200212 08:30:00 Geo NearIR 65.8 *** *** *** *** *** *** 0.20 ***
20200212 08:30:00 Geo IR 65.8 -25.02 163.02 -25.02 163.02 0.50 1.40 0.50 7.0
20200212 07:33:39 SSMIS-17 85-92GHz 67.4 -23.49 162.46 -23.64 162.41 0.21 0.58 1.90 16.4
20200212 07:21:39 GMI 85-92GHz 67.7 -23.61 162.19 -23.78 162.13 0.29 0.83 1.60 3.3
20200212 07:21:39 GMI 37GHz 67.7 -23.81 162.19 -23.98 162.13 0.25 0.71 0.70 ***
20200212 05:34:29 SSMIS-16 85-92GHz 70.0 -23.39 162.28 -23.38 162.28 0.22 0.63 1.30 1.9
20200212 05:30:00 Geo Vis 70.0 -24.33 162.28 -24.33 162.28 0.36 1.02 0.50 ***
20200212 05:30:00 Geo NearIR 70.0 -24.53 163.29 -24.53 163.29 0.44 1.24 0.10 ***
20200212 05:30:00 Geo IR 70.0 -24.53 163.15 -24.53 163.15 0.23 0.66 0.20 8.5
20200212 02:33:03 AMSR2 85-92GHz 70.0 -23.04 162.60 -23.04 162.61 0.26 0.74 1.40 6.5
20200212 02:33:03 * AMSR2 37GHz 70.0 -23.09 162.44 -23.09 162.44 0.14 0.41 0.60 ***
20200212 02:30:00 Geo Vis 70.0 -24.24 163.20 -24.24 163.20 0.24 0.69 0.40 ***
20200212 02:30:00 Geo NearIR 70.0 *** *** *** *** *** *** 0.20 ***
20200212 02:30:00 Geo IR 70.0 -23.91 163.37 -23.91 163.37 1.05 2.97 0.10 5.6
20200211 23:30:00 * Geo Vis 70.4 -23.50 163.47 -23.50 163.47 0.14 0.38 0.40 ***
20200211 23:30:00 Geo NearIR 70.4 -23.52 163.68 -23.52 163.68 0.58 1.64 0.50 ***
20200211 23:30:00 Geo IR 70.4 -23.40 163.41 -23.40 163.41 0.20 0.57 0.30 40.1
20200211 20:30:00 Geo Vis 72.9 -22.68 163.81 -22.68 163.81 0.53 1.49 0.60 ***
20200211 20:30:00 Geo NearIR 72.9 -22.70 163.59 -22.70 163.59 0.26 0.74 0.60 ***
20200211 20:30:00 Geo IR 72.9 -22.43 163.32 -22.43 163.32 0.23 0.66 0.50 42.6
20200211 19:02:15 SSMIS-17 85-92GHz 75.0 -22.39 163.38 -22.65 163.34 0.16 0.46 2.20 41.1
20200211 18:01:40 GMI 85-92GHz 75.0 -22.25 162.97 -22.17 162.97 0.15 0.42 1.20 87.4
20200211 18:01:40 GMI 37GHz 75.0 -21.90 162.70 -21.82 162.70 0.15 0.43 0.40 ***
20200211 17:30:00 Geo NearIR 75.0 -21.85 163.02 -21.85 163.02 0.51 1.45 0.20 ***
20200211 17:30:00 Geo IR 75.0 -21.75 162.73 -21.75 162.73 0.39 1.10 0.80 2.6
20200211 17:02:39 * SSMIS-16 85-92GHz 75.0 -21.76 162.86 -21.83 162.86 0.11 0.32 0.80 100.0
20200211 14:30:00 Geo NearIR 75.0 -21.59 163.13 -21.59 163.13 0.26 0.73 0.10 ***
20200211 14:30:00 Geo IR 75.0 -21.49 162.89 -21.49 162.89 0.14 0.38 0.60 5.6
20200211 14:23:17 * AMSR2 85-92GHz 75.0 -21.42 162.95 -21.44 162.95 0.13 0.38 0.80 99.5
20200211 14:23:17 AMSR2 37GHz 75.0 -21.07 162.79 -21.09 162.79 0.15 0.44 0.50 ***
20200211 11:30:00 Geo NearIR 75.0 *** *** *** *** *** *** 0.10 ***
20200211 11:30:00 Geo IR 75.0 -20.84 163.20 -20.84 163.20 0.18 0.50 0.10 2.1
20200211 10:30:00 Metop-A ASCAT 75.0 -20.29 162.63 -20.46 162.64 0.18 0.52 *** ***
20200211 08:30:00 Geo NearIR 75.0 -20.22 162.37 -20.22 162.37 0.23 0.65 0.10 ***
20200211 08:30:00 * Geo IR 75.0 -20.24 162.56 -20.24 162.56 0.18 0.51 0.10 28.2
20200211 07:48:12 SSMIS-17 85-92GHz 75.0 -19.98 162.82 -20.09 162.82 0.19 0.54 0.70 33.0
20200211 05:48:43 * SSMIS-16 85-92GHz 75.0 -19.73 162.71 -19.68 162.71 0.14 0.41 0.50 77.9
20200211 05:30:00 Geo Vis 75.0 -20.34 162.23 -20.34 162.23 0.26 0.72 0.40 ***
20200211 05:30:00 Geo NearIR 75.0 -19.94 162.63 -19.94 162.63 0.35 0.99 0.30 ***
20200211 05:30:00 Geo IR 75.0 -19.94 162.23 -19.94 162.23 0.22 0.63 0.60 2.6
20200211 02:30:00 * Geo Vis 75.0 -19.65 162.60 -19.65 162.60 0.14 0.40 0.20 ***
20200211 02:30:00 Geo NearIR 75.0 -19.60 162.39 -19.60 162.39 0.38 1.08 0.60 ***
20200211 02:30:00 Geo IR 75.0 -19.73 162.52 -19.73 162.52 0.21 0.59 0.30 2.0
20200210 23:30:00 * Geo Vis 74.2 -18.87 162.70 -18.87 162.70 0.15 0.43 0.20 ***
20200210 23:30:00 Geo NearIR 74.2 -18.80 162.73 -18.80 162.73 0.36 1.00 0.10 ***
20200210 23:30:00 Geo IR 74.2 -18.92 162.23 -18.92 162.23 0.25 0.72 1.00 4.2
20200210 22:00:00 Metop-A ASCAT 71.7 -18.12 162.52 -17.94 162.48 0.19 0.53 *** ***
20200210 20:30:00 Geo Vis 69.2 -18.53 162.85 -18.53 162.85 0.32 0.90 0.10 ***
20200210 20:30:00 Geo NearIR 69.2 -18.41 162.35 -18.41 162.35 0.36 1.02 0.80 ***
20200210 20:30:00 Geo IR 69.2 -18.58 162.43 -18.58 162.43 0.47 1.32 1.00 4.2
20200210 19:14:51 SSMIS-17 85-92GHz 67.1 -18.38 162.83 -18.52 162.85 0.20 0.58 0.30 46.7
20200210 17:30:00 Geo NearIR 65.0 -18.50 162.29 -18.50 162.29 0.19 0.54 0.20 ***
20200210 17:30:00 * Geo IR 65.0 -18.25 162.18 -18.25 162.18 0.12 0.33 0.20 23.8
20200210 17:14:56 SSMIS-16 85-92GHz 65.0 -18.23 162.76 -18.25 162.76 0.13 0.37 0.50 90.7
20200210 14:30:00 Geo NearIR 65.0 -18.11 162.58 -18.11 162.58 0.66 1.87 0.10 ***
20200210 14:30:00 Geo IR 65.0 -17.84 162.37 -17.84 162.37 0.33 0.93 0.30 4.7
20200210 11:30:00 Geo NearIR 64.6 *** *** *** *** *** *** 0.10 ***
20200210 11:30:00 Geo IR 64.6 -17.73 162.50 -17.73 162.50 0.41 1.16 0.80 1.2
20200210 10:27:00 * Metop-B ASCAT 63.7 -17.29 162.55 -17.33 162.55 0.17 0.47 *** ***
20200210 08:30:00 Geo NearIR 62.1 -17.78 162.55 -17.78 162.55 0.87 2.45 0.10 ***
20200210 08:30:00 Geo IR 62.1 -17.48 162.00 -17.48 162.00 0.23 0.64 0.10 11.6
20200210 08:01:57 * SSMIS-17 85-92GHz 61.7 -17.52 162.97 -17.53 162.97 0.14 0.39 1.20 51.1
20200210 07:31:39 GMI 85-92GHz 61.3 -17.46 162.87 -17.48 162.87 0.23 0.64 1.10 41.2
20200210 07:31:39 GMI 37GHz 61.3 -17.76 162.71 -17.78 162.71 0.16 0.46 2.40 ***
20200210 05:52:41 * SSMIS-18 85-92GHz 59.9 -17.29 163.02 -17.27 163.03 0.12 0.33 1.90 59.9
20200210 05:30:00 Geo Vis 59.6 -17.37 162.82 -17.37 162.82 1.65 4.67 0.70 ***
20200210 05:30:00 Geo NearIR 59.6 -17.22 162.03 -17.22 162.03 0.36 1.02 0.90 ***
20200210 05:30:00 Geo IR 59.6 -17.09 161.85 -17.09 161.85 0.35 0.98 0.10 3.3
20200210 02:46:57 AMSR2 85-92GHz 57.3 -17.10 162.65 -17.08 162.68 0.33 0.94 0.30 53.9
20200210 02:46:57 AMSR2 37GHz 57.3 -17.10 162.55 -17.08 162.58 0.30 0.85 0.20 ***
20200210 02:30:00 Geo Vis 57.1 -17.53 162.21 -17.53 162.21 0.71 2.00 0.60 ***
20200210 02:30:00 Geo NearIR 57.1 -17.35 162.53 -17.35 162.53 0.88 2.48 0.90 ***
20200210 02:30:00 * Geo IR 57.1 -17.25 162.34 -17.25 162.34 0.26 0.73 0.10 5.2
20200209 23:30:00 Geo Vis 55.0 -17.18 163.12 -17.18 163.12 0.62 1.76 1.00 ***
20200209 23:30:00 Geo NearIR 55.0 -16.96 162.96 -16.96 162.96 3.36 9.49 0.90 ***
20200209 23:30:00 Geo IR 55.0 -16.86 162.80 -16.86 162.80 3.36 9.49 0.70 -0.0
20200209 22:21:00 Metop-A ASCAT 55.0 *** *** *** *** *** *** *** ***
20200209 21:57:00 * Metop-B ASCAT 55.0 -16.56 163.04 -16.41 163.22 0.15 0.42 *** ***
20200209 20:30:00 Geo Vis 55.0 *** *** *** *** *** *** 0.30 ***
20200209 20:30:00 Geo NearIR 55.0 -16.56 162.65 -16.56 162.65 0.70 1.97 0.80 ***
20200209 20:30:00 Geo IR 55.0 -16.49 162.67 -16.49 162.67 0.20 0.57 0.20 2.4
20200209 19:27:24 * SSMIS-17 85-92GHz 55.0 -16.75 163.28 -16.86 163.17 0.13 0.37 0.70 70.9
20200209 18:11:39 GMI 85-92GHz 54.8 -16.32 163.49 -16.25 163.51 0.22 0.61 1.10 54.3
20200209 18:11:39 GMI 37GHz 54.8 -16.37 163.39 -16.30 163.41 0.21 0.58 0.20 ***
20200209 17:30:00 Geo NearIR 53.7 -16.71 162.96 -16.71 162.96 0.37 1.04 0.10 ***
20200209 17:30:00 * Geo IR 53.7 -16.43 162.83 -16.43 162.83 0.15 0.42 0.90 -1.6
20200209 17:27:28 SSMIS-16 85-92GHz 53.6 *** *** *** *** *** *** 0.40 ***
20200209 14:34:07 AMSR2 85-92GHz 46.4 -16.35 163.20 -16.34 163.20 0.26 0.72 0.40 49.6
20200209 14:34:07 AMSR2 37GHz 46.4 -16.00 163.67 -15.99 163.67 0.23 0.65 0.30 ***
20200209 14:30:00 Geo NearIR 46.2 -16.22 163.02 -16.22 163.02 0.34 0.95 0.10 ***
20200209 14:30:00 Geo IR 46.2 -15.99 163.02 -15.99 163.02 0.74 2.08 0.50 4.0
20200209 11:30:00 Geo NearIR 40.0 *** *** *** *** *** *** 0.10 ***
20200209 11:30:00 * Geo IR 40.0 -16.23 162.96 -16.23 162.96 0.17 0.47 0.10 17.9
20200209 09:33:00 * Metop-A ASCAT 40.0 -15.45 163.71 -15.38 163.61 0.16 0.45 *** ***
20200209 08:30:00 Geo NearIR 40.0 *** *** *** *** *** *** 0.20 ***
20200209 08:30:00 Geo IR 40.0 -16.35 163.89 -16.35 163.89 0.19 0.54 1.00 -2.0
20200209 08:15:48 * SSMIS-17 85-92GHz 40.0 -15.86 163.58 -15.87 163.61 0.17 0.49 2.80 -0.0
20200209 06:05:58 SSMIS-18 85-92GHz 40.0 -15.66 163.97 -15.62 163.98 0.37 1.04 0.20 7.3
20200209 05:30:00 Geo Vis 39.6 -16.00 163.98 -16.00 163.98 0.62 1.77 0.50 ***
20200209 05:30:00 Geo NearIR 39.6 *** *** *** *** *** *** 0.50 ***
20200209 05:30:00 Geo IR 39.6 -15.77 163.92 -15.77 163.92 0.30 0.85 0.60 -0.0
20200209 02:30:00 * Geo Vis 37.1 -15.76 164.27 -15.76 164.27 0.24 0.69 0.20 ***
20200209 02:30:00 Geo NearIR 37.1 -16.09 164.82 -16.09 164.82 0.63 1.78 0.80 ***
20200209 02:30:00 Geo IR 37.1 -15.59 164.56 -15.59 164.56 3.36 9.49 0.10 0.3
20200208 23:30:00 Geo Vis 35.0 -15.73 164.87 -15.73 164.87 0.91 2.57 0.80 ***
20200208 23:30:00 Geo NearIR 35.0 -15.28 165.15 -15.28 165.15 2.50 7.07 0.90 ***
20200208 23:30:00 Geo IR 35.0 -15.11 164.82 -15.11 164.82 2.87 8.12 0.10 0.8

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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