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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
20180514 17:30:00 Geo NearIR 20.0 23.35 145.12 23.35 145.12 3.36 9.49 0.40 ***
20180514 17:30:00 Geo IR 20.0 23.32 144.98 23.32 144.98 3.36 9.49 0.20 0.6
20180514 15:35:19 AMSR2 85-92GHz 20.0 23.19 145.01 23.03 144.86 0.35 0.98 1.90 43.6
20180514 15:35:19 AMSR2 37GHz 20.0 23.14 144.85 22.98 144.69 0.45 1.27 1.80 ***
20180514 14:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.20 ***
20180514 14:30:00 Geo IR 20.0 23.10 144.42 23.10 144.42 3.36 9.49 0.50 0.8
20180514 11:57:00 * Metop-B ASCAT 20.0 23.01 144.00 22.95 143.95 0.16 0.44 *** ***
20180514 11:30:00 Geo NearIR 20.0 22.80 144.11 22.80 144.11 2.28 6.43 1.00 ***
20180514 11:30:00 Geo IR 20.0 22.90 144.20 22.90 144.20 3.36 9.49 0.50 0.9
20180514 11:00:00 * Metop-A ASCAT 20.0 22.78 143.90 22.85 143.95 0.14 0.40 *** ***
20180514 10:57:00 Metop-A ASCAT 20.0 22.82 143.90 22.90 143.95 0.15 0.41 *** ***
20180514 08:30:00 Geo Vis 20.0 *** *** *** *** *** *** 0.80 ***
20180514 08:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.80 ***
20180514 08:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.70 ***
20180514 08:28:12 SSMIS-17 85-92GHz 20.0 22.78 144.64 22.78 144.64 0.61 1.72 0.90 0.6
20180514 07:40:32 SSMIS-18 85-92GHz 20.0 *** *** *** *** *** *** 0.90 ***
20180514 05:30:00 Geo Vis 20.3 22.44 144.19 22.44 144.19 1.60 4.53 0.20 ***
20180514 05:30:00 Geo NearIR 20.3 *** *** *** *** *** *** 0.40 ***
20180514 05:30:00 Geo IR 20.3 *** *** *** *** *** *** 1.00 ***
20180514 03:26:16 * AMSR2 85-92GHz 21.4 21.78 144.32 21.67 144.33 0.41 1.15 1.20 5.0
20180514 03:26:16 AMSR2 37GHz 21.4 21.83 144.00 21.72 144.01 0.53 1.49 0.90 ***
20180514 02:30:00 Geo Vis 21.9 *** *** *** *** *** *** 0.50 ***
20180514 02:30:00 Geo NearIR 21.9 *** *** *** *** *** *** 0.30 ***
20180514 02:30:00 Geo IR 21.9 *** *** *** *** *** *** 0.20 ***
20180513 23:45:00 Metop-A ASCAT 23.5 *** *** *** *** *** *** *** ***
20180513 23:30:00 Geo Vis 23.6 21.18 144.19 21.18 144.19 0.67 1.89 1.00 ***
20180513 23:30:00 Geo NearIR 23.6 *** *** *** *** *** *** 0.30 ***
20180513 23:30:00 Geo IR 23.6 *** *** *** *** *** *** 0.30 ***
20180513 21:13:00 * SSMIS-17 85-92GHz 24.9 21.23 144.40 21.13 144.40 0.35 0.99 2.50 3.9
20180513 20:30:00 Geo Vis 25.0 21.01 144.35 21.01 144.35 0.49 1.39 0.70 ***
20180513 20:30:00 Geo NearIR 25.0 20.93 144.37 20.93 144.37 3.36 9.49 0.60 ***
20180513 20:30:00 Geo IR 25.0 20.91 144.51 20.91 144.51 1.02 2.89 0.70 1.5
20180513 20:25:29 SSMIS-18 85-92GHz 25.0 *** *** *** *** *** *** 2.40 ***
20180513 17:30:00 Geo NearIR 25.4 20.51 144.65 20.51 144.65 1.58 4.46 1.00 ***
20180513 17:30:00 Geo IR 25.4 20.54 144.65 20.54 144.65 0.68 1.93 1.00 4.0
20180513 17:01:59 SSMI-15 85-92GHz 25.8 20.78 144.53 20.81 144.51 0.27 0.75 2.80 4.2
20180513 16:31:19 * AMSR2 85-92GHz 26.2 20.90 144.19 20.96 144.14 0.21 0.61 3.00 10.2
20180513 16:31:19 AMSR2 37GHz 26.2 20.60 144.46 20.66 144.41 0.24 0.69 0.70 ***
20180513 15:01:39 GMI 85-92GHz 27.5 20.37 144.46 20.35 144.52 0.25 0.71 1.10 7.7
20180513 15:01:39 GMI 37GHz 27.5 *** *** *** *** *** *** 0.40 ***
20180513 14:30:00 Geo NearIR 27.9 20.30 144.58 20.30 144.58 2.12 6.00 0.30 ***
20180513 14:30:00 Geo IR 27.9 20.25 144.44 20.25 144.44 3.36 9.49 0.20 0.1
20180513 11:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.90 ***
20180513 11:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.50 ***
20180513 11:18:00 Metop-A ASCAT 30.0 *** *** *** *** *** *** *** ***
20180513 08:40:25 * SSMIS-17 85-92GHz 30.0 19.84 145.47 19.83 145.49 0.52 1.48 2.20 1.1
20180513 08:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.70 ***
20180513 08:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.80 ***
20180513 07:52:32 SSMIS-18 85-92GHz 30.0 20.32 145.89 20.34 145.81 0.57 1.60 1.10 1.2
20180513 05:30:00 Geo Vis 30.4 20.17 145.54 20.17 145.54 1.12 3.17 0.30 ***
20180513 05:30:00 Geo NearIR 30.4 *** *** *** *** *** *** 0.10 ***
20180513 05:30:00 Geo IR 30.4 19.99 145.64 19.99 145.64 3.25 9.19 0.70 0.8
20180513 04:30:52 * SSMI-15 85-92GHz 31.2 20.01 145.93 20.12 145.79 0.45 1.28 1.50 2.2
20180513 02:30:00 Geo Vis 32.9 *** *** *** *** *** *** 0.10 ***
20180513 02:30:00 Geo NearIR 32.9 *** *** *** *** *** *** 0.50 ***
20180513 02:30:00 Geo IR 32.9 *** *** *** *** *** *** 0.10 ***
20180513 01:41:39 GMI 85-92GHz 33.6 20.01 146.58 20.14 146.46 0.61 1.74 3.00 0.0
20180513 01:41:39 GMI 37GHz 33.6 18.56 146.47 18.69 146.36 0.38 1.06 3.00 ***
20180513 00:06:00 * Metop-A ASCAT 35.0 18.76 146.07 18.70 146.11 0.21 0.58 *** ***
20180512 23:30:00 Geo Vis 35.0 *** *** *** *** *** *** 0.30 ***
20180512 23:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.80 ***
20180512 23:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.30 ***
20180512 23:27:00 * Metop-B ASCAT 35.0 18.85 146.27 18.86 146.27 0.19 0.54 *** ***
20180512 21:26:47 SSMIS-17 85-92GHz 35.0 19.99 147.01 19.89 147.05 0.31 0.89 3.00 0.0
20180512 20:38:14 SSMIS-18 85-92GHz 35.0 19.85 146.57 19.84 146.58 0.63 1.77 1.60 0.1
20180512 20:30:00 Geo Vis 35.0 *** *** *** *** *** *** 0.50 ***
20180512 20:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 ***
20180512 20:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.20 ***
20180512 17:53:25 SSMIS-16 85-92GHz 35.0 19.20 147.34 19.20 147.35 0.49 1.38 2.10 2.7
20180512 17:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.30 ***
20180512 17:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.30 ***
20180512 17:18:28 SSMI-15 85-92GHz 35.0 19.30 147.32 19.30 147.31 0.53 1.51 2.30 1.1
20180512 15:48:51 AMSR2 85-92GHz 35.0 19.02 147.02 19.04 147.07 0.37 1.05 0.10 5.0
20180512 15:48:51 * AMSR2 37GHz 35.0 18.77 146.65 18.79 146.70 0.29 0.83 0.40 ***
20180512 14:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.40 ***
20180512 14:30:00 Geo IR 35.0 19.17 146.43 19.17 146.43 3.36 9.49 0.10 0.0
20180512 11:39:00 * Metop-A ASCAT 34.7 18.65 147.31 18.66 147.33 0.15 0.43 *** ***
20180512 11:30:00 Geo NearIR 34.6 *** *** *** *** *** *** 1.00 ***
20180512 11:30:00 Geo IR 34.6 *** *** *** *** *** *** 0.60 ***
20180512 10:57:00 * Metop-B ASCAT 34.1 18.62 147.43 18.60 147.36 0.14 0.40 *** ***
20180512 08:53:52 SSMIS-17 85-92GHz 32.4 19.21 147.73 19.22 147.82 0.32 0.92 3.00 4.0
20180512 08:30:00 Geo NearIR 32.1 *** *** *** *** *** *** 0.60 ***
20180512 08:30:00 Geo IR 32.1 *** *** *** *** *** *** 0.70 ***
20180512 08:04:41 * SSMIS-18 85-92GHz 31.7 19.49 147.89 19.48 147.80 0.38 1.08 1.70 5.5
20180512 05:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.20 ***
20180512 05:30:00 Geo NearIR 30.0 19.69 149.80 19.69 149.80 1.38 3.91 0.10 ***
20180512 05:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.60 ***
20180512 05:19:50 SSMIS-16 85-92GHz 30.0 18.65 148.44 18.65 148.42 0.55 1.55 1.60 1.2
20180512 04:46:27 * SSMI-15 85-92GHz 30.0 18.66 148.35 18.68 148.25 0.43 1.22 1.80 2.7
20180512 03:37:29 AMSR2 85-92GHz 30.0 18.81 148.57 18.71 148.71 0.56 1.59 0.10 0.7
20180512 03:37:29 AMSR2 37GHz 30.0 *** *** *** *** *** *** 1.20 ***
20180512 02:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.50 ***
20180512 02:30:00 Geo NearIR 30.0 19.13 149.68 19.13 149.68 1.85 5.23 0.50 ***
20180512 02:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.30 ***
20180511 23:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.20 ***
20180511 23:30:00 Geo NearIR 30.0 19.07 150.50 19.07 150.50 0.63 1.78 0.20 ***
20180511 23:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.50 ***

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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