-- Link to ARCHER-ERC page --

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
20161224 05:56:03 AMSR2 85-92GHz 25.0 -16.05 119.35 -16.02 119.29 0.31 0.88 1.60 3.7
20161224 05:56:03 * AMSR2 37GHz 25.0 -15.55 119.35 -15.52 119.29 0.29 0.83 0.90 ***
20161224 05:30:00 Geo Vis 25.3 *** *** *** *** *** *** 0.30 ***
20161224 05:30:00 Geo NearIR 25.3 *** *** *** *** *** *** 0.20 ***
20161224 05:30:00 Geo IR 25.3 *** *** *** *** *** *** 0.10 ***
20161224 02:30:00 Geo Vis 26.9 -15.71 119.07 -15.71 119.07 0.67 1.91 0.70 ***
20161224 02:30:00 Geo NearIR 26.9 *** *** *** *** *** *** 0.60 ***
20161224 02:30:00 Geo IR 26.9 *** *** *** *** *** *** 0.70 ***
20161224 01:12:00 Metop-A ASCAT 27.7 *** *** *** *** *** *** *** ***
20161223 23:30:00 Geo Vis 28.6 *** *** *** *** *** *** 1.00 ***
20161223 23:30:00 Geo NearIR 28.6 *** *** *** *** *** *** 0.20 ***
20161223 23:30:00 Geo IR 28.6 *** *** *** *** *** *** 0.10 ***
20161223 22:55:36 SSMIS-18 85-92GHz 28.9 -15.32 118.57 -15.37 118.64 0.60 1.71 1.20 0.2
20161223 22:32:50 SSMIS-17 85-92GHz 29.1 -14.94 118.52 -15.02 118.64 0.63 1.79 1.00 0.0
20161223 20:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.50 ***
20161223 20:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.20 ***
20161223 20:27:12 SSMIS-16 85-92GHz 30.0 -15.49 117.25 -15.50 117.26 0.50 1.41 3.00 0.0
20161223 18:44:35 SSMI-15 85-92GHz 30.0 -15.14 117.80 -15.09 117.64 0.55 1.55 1.70 0.3
20161223 17:42:50 AMSR2 85-92GHz 30.1 -15.14 117.20 -15.14 117.17 0.56 1.58 1.30 2.8
20161223 17:42:50 * AMSR2 37GHz 30.1 -14.84 117.46 -14.84 117.43 0.39 1.09 0.60 ***
20161223 17:30:00 Geo NearIR 30.2 -14.94 116.06 -14.94 116.06 0.81 2.29 0.10 ***
20161223 17:30:00 Geo IR 30.2 -14.94 115.96 -14.94 115.96 0.53 1.50 0.10 4.3
20161223 14:30:00 * Geo NearIR 31.5 -13.83 116.25 -13.83 116.25 0.28 0.80 0.10 ***
20161223 14:30:00 Geo IR 31.5 -14.06 116.12 -14.06 116.12 3.36 9.49 0.30 0.6
20161223 14:06:00 * Metop-A ASCAT 31.6 -14.80 116.69 -14.81 116.74 0.14 0.39 *** ***
20161223 13:21:00 * Metop-B ASCAT 31.9 -14.85 116.64 -14.86 116.79 0.14 0.39 *** ***
20161223 11:30:00 Geo NearIR 32.7 *** *** *** *** *** *** 0.10 ***
20161223 11:30:00 Geo IR 32.7 *** *** *** *** *** *** 0.10 ***
20161223 08:30:00 Geo Vis 34.0 *** *** *** *** *** *** 0.10 ***
20161223 08:30:00 Geo NearIR 34.0 *** *** *** *** *** *** 0.10 ***
20161223 08:30:00 Geo IR 34.0 *** *** *** *** *** *** 0.30 ***
20161223 05:30:00 Geo Vis 35.2 *** *** *** *** *** *** 0.60 ***
20161223 05:30:00 * Geo NearIR 35.2 -14.28 116.15 -14.28 116.15 1.02 2.89 1.00 ***
20161223 05:30:00 Geo IR 35.2 *** *** *** *** *** *** 0.80 ***
20161223 02:30:00 Geo Vis 36.5 *** *** *** *** *** *** 0.90 ***
20161223 02:30:00 Geo NearIR 36.5 *** *** *** *** *** *** 0.10 ***
20161223 02:30:00 Geo IR 36.5 *** *** *** *** *** *** 0.20 ***
20161222 23:30:00 Geo Vis 37.7 -14.29 115.50 -14.29 115.50 3.36 9.49 0.40 ***
20161222 23:30:00 Geo NearIR 37.7 *** *** *** *** *** *** 1.00 ***
20161222 23:30:00 Geo IR 37.7 *** *** *** *** *** *** 0.80 ***
20161222 23:07:56 SSMIS-18 85-92GHz 37.9 -14.34 115.29 -14.35 115.33 0.36 1.01 1.30 1.0
20161222 22:46:06 SSMIS-17 85-92GHz 38.0 -15.07 113.64 -15.10 113.73 0.18 0.50 3.00 0.0
20161222 20:40:18 * SSMIS-16 85-92GHz 38.9 -14.76 113.46 -14.76 113.44 0.09 0.27 0.10 0.1
20161222 20:30:00 Geo NearIR 39.0 *** *** *** *** *** *** 0.10 ***
20161222 20:30:00 Geo IR 39.0 -14.63 113.19 -14.63 113.19 0.70 1.97 0.30 13.2
20161222 20:11:41 GMI 85-92GHz 40.0 -14.62 113.60 -14.63 113.63 0.17 0.48 0.20 98.8
20161222 20:11:41 GMI 37GHz 40.0 -14.02 114.95 -14.03 114.98 0.29 0.82 1.40 ***
20161222 19:00:26 * SSMI-15 85-92GHz 40.0 -14.43 113.47 -14.47 113.59 0.14 0.38 3.00 0.0
20161222 17:30:00 Geo NearIR 40.2 -14.39 113.00 -14.39 113.00 0.47 1.32 0.10 ***
20161222 17:30:00 Geo IR 40.2 -14.26 113.15 -14.26 113.15 0.31 0.88 0.10 28.7
20161222 14:30:00 Geo NearIR 41.5 *** *** *** *** *** *** 0.20 ***
20161222 14:30:00 Geo IR 41.5 *** *** *** *** *** *** 0.20 ***
20161222 14:27:00 * Metop-A ASCAT 41.5 -14.52 114.53 -14.53 114.53 0.14 0.41 *** ***
20161222 13:42:00 * Metop-B ASCAT 41.8 -14.61 114.55 -14.63 114.59 0.15 0.42 *** ***
20161222 11:30:00 Geo NearIR 42.7 *** *** *** *** *** *** 0.10 ***
20161222 11:30:00 Geo IR 42.7 -14.62 112.60 -14.62 112.60 0.35 0.98 0.10 13.6
20161222 08:30:00 Geo Vis 44.0 *** *** *** *** *** *** 0.80 ***
20161222 08:30:00 Geo NearIR 44.0 *** *** *** *** *** *** 0.10 ***
20161222 08:30:00 Geo IR 44.0 *** *** *** *** *** *** 0.10 ***
20161222 06:08:55 * AMSR2 85-92GHz 45.0 -13.95 113.11 -13.94 113.12 0.12 0.35 0.20 100.0
20161222 06:08:55 AMSR2 37GHz 45.0 -13.80 113.27 -13.79 113.27 0.24 0.67 0.40 ***
20161222 05:30:00 Geo Vis 45.0 -13.82 112.75 -13.82 112.75 0.37 1.06 0.30 ***
20161222 05:30:00 Geo NearIR 45.0 *** *** *** *** *** *** 0.20 ***
20161222 05:30:00 Geo IR 45.0 -13.72 112.99 -13.72 112.99 0.76 2.16 0.10 1.0
20161222 02:30:00 Geo Vis 45.0 -14.00 113.10 -14.00 113.10 0.41 1.15 0.20 ***
20161222 02:30:00 Geo NearIR 45.0 -14.08 113.03 -14.08 113.03 1.37 3.87 0.60 ***
20161222 02:30:00 Geo IR 45.0 -14.13 113.21 -14.13 113.21 0.90 2.53 0.80 0.8
20161222 01:54:00 * Metop-A ASCAT 45.0 -14.37 114.20 -14.38 114.19 0.14 0.39 *** ***
20161222 01:09:00 Metop-B ASCAT 45.0 -14.46 114.37 -14.48 114.34 0.17 0.48 *** ***
20161221 23:30:00 Geo Vis 45.0 *** *** *** *** *** *** 0.20 ***
20161221 23:30:00 Geo NearIR 45.0 *** *** *** *** *** *** 0.10 ***
20161221 23:30:00 Geo IR 45.0 -14.32 113.15 -14.32 113.15 0.37 1.06 0.30 1.6
20161221 23:20:20 SSMIS-18 85-92GHz 45.0 -13.99 113.33 -13.99 113.33 0.19 0.54 0.10 22.7
20161221 22:59:22 * SSMIS-17 85-92GHz 45.0 -14.09 113.34 -14.09 113.33 0.16 0.44 2.70 8.4
20161221 20:30:00 Geo NearIR 45.0 *** *** *** *** *** *** 0.10 ***
20161221 20:30:00 Geo IR 45.0 -14.14 113.11 -14.14 113.11 0.39 1.09 0.30 5.1
20161221 17:55:00 * AMSR2 85-92GHz 45.0 -14.20 113.57 -14.20 113.57 0.35 0.98 2.20 2.2
20161221 17:55:00 AMSR2 37GHz 45.0 *** *** *** *** *** *** 1.20 ***
20161221 17:30:00 Geo NearIR 44.8 *** *** *** *** *** *** 0.80 ***
20161221 17:30:00 Geo IR 44.8 *** *** *** *** *** *** 1.00 ***
20161221 14:30:00 Geo NearIR 43.5 *** *** *** *** *** *** 0.60 ***
20161221 14:30:00 Geo IR 43.5 *** *** *** *** *** *** 0.30 ***
20161221 11:30:00 Geo NearIR 42.3 *** *** *** *** *** *** 0.10 ***
20161221 11:30:00 Geo IR 42.3 -14.45 112.73 -14.45 112.73 3.36 9.49 0.50 3.4
20161221 09:36:41 * GMI 85-92GHz 41.5 -14.11 113.13 -14.12 113.09 0.13 0.36 0.10 59.6
20161221 09:36:41 GMI 37GHz 41.5 -14.21 113.59 -14.22 113.55 0.26 0.74 2.90 ***
20161221 08:30:00 Geo Vis 41.0 -14.17 112.89 -14.17 112.89 3.36 9.49 0.60 ***
20161221 08:30:00 Geo NearIR 41.0 *** *** *** *** *** *** 0.50 ***
20161221 08:30:00 Geo IR 41.0 -14.22 113.07 -14.22 113.07 0.20 0.58 1.00 0.6
20161221 08:01:17 SSMIS-16 85-92GHz 40.8 *** *** *** *** *** *** 3.00 ***
20161221 05:30:00 * Geo Vis 39.8 -14.45 113.02 -14.45 113.02 0.18 0.52 0.10 ***
20161221 05:30:00 Geo NearIR 39.8 -14.28 113.46 -14.28 113.46 0.67 1.90 0.60 ***
20161221 05:30:00 Geo IR 39.8 -14.30 113.17 -14.30 113.17 0.32 0.90 0.20 14.8
20161221 02:30:00 * Geo Vis 38.5 -14.70 113.03 -14.70 113.03 0.17 0.48 0.20 ***
20161221 02:30:00 Geo NearIR 38.5 -15.15 113.10 -15.15 113.10 0.43 1.22 0.80 ***
20161221 02:30:00 Geo IR 38.5 -14.68 113.08 -14.68 113.08 0.20 0.57 0.30 7.4
20161221 02:15:00 Metop-A ASCAT 38.4 -14.72 113.81 -14.70 113.80 0.33 0.94 *** ***
20161221 01:30:00 Metop-B ASCAT 38.1 -14.66 113.89 -14.60 113.85 0.24 0.67 *** ***
20161220 23:33:04 SSMIS-18 85-92GHz 37.3 *** *** *** *** *** *** 3.00 ***
20161220 23:30:00 Geo Vis 37.3 -14.88 113.47 -14.88 113.47 0.43 1.21 0.10 ***
20161220 23:30:00 Geo NearIR 37.3 *** *** *** *** *** *** 0.20 ***
20161220 23:30:00 Geo IR 37.3 -14.78 112.87 -14.78 112.87 0.25 0.70 1.00 -1.5
20161220 20:30:00 Geo NearIR 36.0 -14.99 112.82 -14.99 112.82 0.39 1.11 0.10 ***
20161220 20:30:00 * Geo IR 36.0 -14.89 112.95 -14.89 112.95 0.26 0.75 0.90 -1.6
20161220 17:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.10 ***
20161220 17:30:00 Geo IR 35.0 -15.12 112.95 -15.12 112.95 0.32 0.92 0.70 1.3
20161220 14:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.40 ***
20161220 14:30:00 Geo IR 35.0 -15.37 113.17 -15.37 113.17 0.54 1.53 0.60 4.0
20161220 14:24:00 Metop-B ASCAT 35.0 -14.61 114.02 -14.62 114.02 0.14 0.41 *** ***
20161220 14:21:00 Metop-B ASCAT 35.0 -14.61 114.07 -14.62 114.08 0.14 0.41 *** ***
20161220 13:27:00 * Metop-A ASCAT 35.0 -14.52 114.35 -14.57 114.39 0.13 0.37 *** ***
20161220 11:30:00 Geo NearIR 35.0 -15.98 113.10 -15.98 113.10 0.61 1.74 0.20 ***
20161220 11:30:00 Geo IR 35.0 -15.25 113.57 -15.25 113.57 0.21 0.60 0.10 9.8
20161220 08:30:00 Geo Vis 35.0 *** *** *** *** *** *** 0.10 ***
20161220 08:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.80 ***
20161220 08:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.80 ***
20161220 08:14:31 SSMIS-16 85-92GHz 35.0 -14.95 113.90 -14.96 113.91 0.32 0.89 2.10 4.2
20161220 06:20:49 AMSR2 85-92GHz 35.0 -14.50 114.00 -14.50 113.98 0.42 1.18 2.50 2.8
20161220 06:20:49 * AMSR2 37GHz 35.0 -14.35 113.95 -14.35 113.93 0.23 0.65 0.40 ***
20161220 05:30:00 Geo Vis 35.0 *** *** *** *** *** *** 0.20 ***
20161220 05:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.80 ***
20161220 05:30:00 Geo IR 35.0 -15.90 113.12 -15.90 113.12 0.95 2.68 0.50 7.2
20161220 02:30:00 Geo Vis 35.0 -15.87 113.18 -15.87 113.18 0.30 0.85 0.10 ***
20161220 02:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.40 ***
20161220 02:30:00 Geo IR 35.0 -15.85 112.87 -15.85 112.87 2.87 8.10 0.10 14.2
20161219 23:30:00 * Geo Vis 35.0 -15.95 113.21 -15.95 113.21 0.22 0.62 0.10 ***
20161219 23:30:00 Geo NearIR 35.0 -16.28 112.98 -16.28 112.98 0.42 1.18 0.20 ***
20161219 23:30:00 Geo IR 35.0 -16.13 112.88 -16.13 112.88 0.58 1.65 0.10 -2.3
20161219 21:16:40 GMI 85-92GHz 35.0 -15.20 113.89 -15.37 113.88 0.54 1.52 1.60 1.1
20161219 21:16:40 GMI 37GHz 35.0 -15.20 113.42 -15.37 113.41 0.36 1.02 2.80 ***
20161219 20:30:00 Geo NearIR 35.0 -16.15 113.43 -16.15 113.43 2.30 6.50 0.80 ***
20161219 20:30:00 Geo IR 35.0 -16.70 113.56 -16.70 113.56 1.75 4.96 0.80 2.1
20161219 18:07:56 AMSR2 85-92GHz 35.0 -16.25 114.01 -16.35 114.00 0.30 0.85 0.70 10.4
20161219 18:07:56 AMSR2 37GHz 35.0 -16.10 113.59 -16.20 113.58 0.48 1.35 3.00 ***
20161219 17:30:00 Geo NearIR 35.0 -16.22 114.06 -16.22 114.06 0.26 0.73 0.10 ***
20161219 17:30:00 * Geo IR 35.0 -16.24 113.75 -16.24 113.75 0.18 0.51 0.10 -3.5

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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