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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
20170129 18:02:46 AMSR2 85-92GHz 25.0 -19.05 108.24 -19.05 108.29 0.31 0.88 2.30 1.7
20170129 18:02:46 AMSR2 37GHz 25.0 -19.45 108.08 -19.45 108.13 0.52 1.48 2.30 ***
20170129 17:30:00 Geo NearIR 25.3 -19.48 108.32 -19.48 108.32 1.83 5.17 0.90 ***
20170129 17:30:00 Geo IR 25.3 -19.48 106.81 -19.48 106.81 3.36 9.49 0.10 10.7
20170129 14:39:00 * Metop-A ASCAT 26.9 -18.90 108.58 -18.90 108.59 0.13 0.38 *** ***
20170129 14:30:00 Geo NearIR 26.9 *** *** *** *** *** *** 0.40 ***
20170129 14:30:00 Geo IR 26.9 *** *** *** *** *** *** 0.30 ***
20170129 13:54:00 * Metop-B ASCAT 27.3 -19.05 108.70 -19.05 108.64 0.14 0.38 *** ***
20170129 11:33:58 SSMIS-17 85-92GHz 28.6 -19.40 108.88 -19.40 108.89 0.32 0.90 1.90 1.9
20170129 11:30:00 Geo NearIR 28.6 *** *** *** *** *** *** 0.40 ***
20170129 11:30:00 Geo IR 28.6 *** *** *** *** *** *** 0.40 ***
20170129 08:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.40 ***
20170129 08:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.20 ***
20170129 08:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.10 ***
20170129 05:30:00 Geo Vis 30.4 *** *** *** *** *** *** 0.20 ***
20170129 05:30:00 Geo NearIR 30.4 *** *** *** *** *** *** 0.60 ***
20170129 05:30:00 Geo IR 30.4 *** *** *** *** *** *** 0.50 ***
20170129 02:30:00 * Geo Vis 32.9 -19.07 108.27 -19.07 108.27 0.23 0.65 0.10 ***
20170129 02:30:00 Geo NearIR 32.9 *** *** *** *** *** *** 0.90 ***
20170129 02:30:00 Geo IR 32.9 -19.07 108.14 -19.07 108.14 2.35 6.63 0.10 1.5
20170129 02:09:00 * Metop-A ASCAT 33.2 -19.10 109.91 -19.07 109.89 0.14 0.40 *** ***
20170129 01:27:00 Metop-B ASCAT 33.8 *** *** *** *** *** *** *** ***
20170129 01:24:00 * Metop-B ASCAT 33.8 -19.32 110.09 -19.22 110.05 0.15 0.43 *** ***
20170128 23:30:00 Geo Vis 35.4 -19.57 109.15 -19.57 109.15 3.36 9.49 0.50 ***
20170128 23:30:00 Geo NearIR 35.4 -19.49 108.59 -19.49 108.59 0.45 1.27 0.10 ***
20170128 23:30:00 Geo IR 35.4 -19.27 108.86 -19.27 108.86 0.34 0.96 0.10 -0.8
20170128 23:00:53 SSMIS-17 85-92GHz 35.8 -19.52 109.91 -19.47 109.89 0.41 1.17 1.30 2.5
20170128 20:30:00 Geo NearIR 37.9 -20.91 108.43 -20.91 108.43 0.79 2.24 0.40 ***
20170128 20:30:00 Geo IR 37.9 -20.88 108.91 -20.88 108.91 3.36 9.49 1.00 0.8
20170128 19:17:33 * SSMI-15 85-92GHz 38.9 -19.99 110.37 -19.91 110.29 0.31 0.88 3.00 4.1
20170128 17:30:00 Geo NearIR 40.0 *** *** *** *** *** *** 0.10 ***
20170128 17:30:00 Geo IR 40.0 -20.93 109.22 -20.93 109.22 3.36 9.49 0.10 6.3
20170128 14:30:00 Geo NearIR 40.0 -20.61 109.63 -20.61 109.63 0.70 1.98 0.40 ***
20170128 14:30:00 Geo IR 40.0 -20.86 109.42 -20.86 109.42 0.57 1.60 0.70 1.1
20170128 11:30:00 * Geo NearIR 40.4 -20.15 110.88 -20.15 110.88 0.38 1.07 0.30 ***
20170128 11:30:00 Geo IR 40.4 -20.08 110.83 -20.08 110.83 0.45 1.27 0.10 0.6
20170128 10:59:17 * SSMIS-18 85-92GHz 40.8 -19.96 111.13 -19.95 111.00 0.32 0.90 2.10 -0.5
20170128 08:30:00 Geo Vis 42.9 *** *** *** *** *** *** 0.10 ***
20170128 08:30:00 Geo NearIR 42.9 -20.51 111.26 -20.51 111.26 0.67 1.91 0.80 ***
20170128 08:30:00 Geo IR 42.9 -20.34 110.62 -20.34 110.62 1.18 3.35 0.10 0.6
20170128 06:25:47 AMSR2 85-92GHz 45.0 -20.40 112.69 -20.41 112.95 0.63 1.77 0.80 0.3
20170128 06:25:47 * AMSR2 37GHz 45.0 -20.30 112.85 -20.31 113.11 0.20 0.55 0.50 ***
20170128 05:30:00 Geo Vis 45.0 -20.50 112.48 -20.50 112.48 1.13 3.21 0.30 ***
20170128 05:30:00 Geo NearIR 45.0 -20.42 112.51 -20.42 112.51 1.43 4.05 0.20 ***
20170128 05:30:00 Geo IR 45.0 -20.60 112.06 -20.60 112.06 0.90 2.55 0.90 7.6
20170128 02:30:00 Geo Vis 45.0 -20.32 113.55 -20.32 113.55 0.32 0.92 0.70 ***
20170128 02:30:00 Geo NearIR 45.0 -19.70 114.53 -19.70 114.53 1.14 3.22 0.50 ***
20170128 02:30:00 Geo IR 45.0 -19.25 113.65 -19.25 113.65 1.31 3.71 0.30 0.7
20170127 23:30:00 Geo Vis 44.6 -19.63 114.86 -19.63 114.86 0.97 2.74 0.40 ***
20170127 23:30:00 Geo NearIR 44.6 -19.55 115.08 -19.55 115.08 0.29 0.82 0.10 ***
20170127 23:30:00 * Geo IR 44.6 -19.33 114.76 -19.33 114.76 0.22 0.62 0.70 4.1
20170127 22:36:39 GMI 85-92GHz 43.8 -20.14 115.20 -20.21 114.95 0.48 1.36 1.30 4.9
20170127 22:36:39 GMI 37GHz 43.8 -20.54 114.67 -20.61 114.42 0.25 0.72 2.30 ***
20170127 22:26:11 SSMIS-18 85-92GHz 43.7 -20.56 114.83 -20.66 114.52 0.28 0.79 2.40 30.8
20170127 20:30:00 Geo NearIR 42.1 -18.62 116.27 -18.62 116.27 0.53 1.50 0.20 ***
20170127 20:30:00 * Geo IR 42.1 -18.77 115.68 -18.77 115.68 0.33 0.95 0.10 35.8
20170127 17:30:00 Geo NearIR 39.6 -18.80 116.41 -18.80 116.41 0.61 1.73 0.10 ***
20170127 17:30:00 Geo IR 39.6 -18.83 116.49 -18.83 116.49 3.36 9.49 0.10 2.7
20170127 14:30:00 Geo NearIR 37.1 -19.03 116.83 -19.03 116.83 1.19 3.36 0.20 ***
20170127 14:30:00 Geo IR 37.1 -18.76 116.48 -18.76 116.48 3.36 9.49 0.10 53.2
20170127 13:39:00 Metop-A ASCAT 36.4 *** *** *** *** *** *** *** ***
20170127 11:30:00 Geo NearIR 35.0 -19.64 116.83 -19.64 116.83 3.36 9.49 0.10 ***
20170127 11:30:00 Geo IR 35.0 -19.49 116.75 -19.49 116.75 3.36 9.49 0.10 -1.7
20170127 11:12:02 SSMIS-18 85-92GHz 35.0 -19.58 116.94 -19.59 116.87 0.39 1.11 2.60 3.7
20170127 10:19:25 SSMIS-17 85-92GHz 35.0 -19.51 117.41 -19.54 117.14 0.51 1.44 2.90 1.7
20170127 09:21:39 GMI 85-92GHz 35.0 -19.44 117.72 -19.42 117.96 0.44 1.25 3.00 0.0
20170127 09:21:39 * GMI 37GHz 35.0 -19.49 117.62 -19.47 117.85 0.33 0.94 3.00 ***
20170127 05:43:11 AMSR2 85-92GHz 35.0 -18.18 118.37 -18.18 118.43 0.52 1.46 3.00 0.0
20170127 05:43:11 * AMSR2 37GHz 35.0 -18.53 118.95 -18.53 119.01 0.35 1.00 0.90 ***

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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