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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
20180308 05:51:00 * Metop-B ASCAT 50.1 -30.18 58.35 -30.14 58.29 0.13 0.36 *** ***
20180308 04:51:00 * Metop-A ASCAT 50.6 -30.17 58.20 -30.24 58.29 0.14 0.39 *** ***
20180308 04:31:40 GMI 85-92GHz 50.8 -30.48 58.84 -30.59 58.98 0.23 0.65 3.00 0.0
20180308 04:31:40 GMI 37GHz 50.8 -29.63 58.72 -29.74 58.87 0.46 1.30 2.90 ***
20180308 02:17:05 * SSMIS-17 85-92GHz 52.1 -30.21 58.68 -30.24 58.71 0.21 0.59 2.10 3.0
20180308 02:13:35 SSMIS-18 85-92GHz 52.1 -30.01 58.61 -30.04 58.65 0.27 0.76 0.20 37.2
20180308 00:07:26 SSMIS-16 85-92GHz 53.3 -28.75 57.39 -28.67 57.30 0.45 1.28 2.10 0.8
20180307 21:11:54 AMSR2 85-92GHz 54.9 -28.68 57.44 -28.58 57.35 0.42 1.18 0.50 1.9
20180307 21:11:54 AMSR2 37GHz 54.9 -28.58 57.50 -28.48 57.40 0.38 1.08 0.70 ***
20180307 18:36:00 * Metop-B ASCAT 55.0 -28.46 56.98 -28.36 56.84 0.13 0.38 *** ***
20180307 17:36:00 Metop-A ASCAT 54.0 -28.41 56.79 -28.41 56.78 0.15 0.41 *** ***
20180307 15:06:40 GMI 85-92GHz 47.8 -27.95 56.47 -27.92 56.39 0.42 1.19 2.10 2.0
20180307 15:06:40 * GMI 37GHz 47.8 -28.25 57.20 -28.22 57.13 0.29 0.83 1.70 ***
20180307 14:58:41 SSMIS-17 85-92GHz 47.4 -28.00 56.39 -27.97 56.33 0.36 1.03 1.60 1.4
20180307 14:54:26 SSMIS-18 85-92GHz 47.3 -27.94 56.50 -27.92 56.45 0.45 1.27 1.60 0.6
20180307 12:48:51 SSMIS-16 85-92GHz 42.0 -29.22 55.76 -29.10 55.66 0.40 1.14 2.30 1.3
20180307 10:13:13 AMSR2 85-92GHz 41.5 -27.50 56.14 -27.66 56.22 0.38 1.09 2.90 2.8
20180307 10:13:13 * AMSR2 37GHz 41.5 -28.15 56.48 -28.31 56.56 0.27 0.77 2.60 ***
20180307 05:21:39 * GMI 85-92GHz 46.1 -26.59 55.69 -26.61 55.70 0.26 0.73 3.00 5.2
20180307 05:21:39 GMI 37GHz 46.1 -27.24 56.08 -27.26 56.09 0.47 1.33 0.70 ***
20180307 02:29:51 * SSMIS-17 85-92GHz 50.8 -26.43 55.33 -26.43 55.33 0.28 0.79 2.40 3.8
20180307 02:25:31 SSMIS-18 85-92GHz 51.0 -26.27 55.50 -26.28 55.50 0.30 0.84 2.50 2.5
20180307 00:19:53 * SSMIS-16 85-92GHz 55.0 -26.21 55.18 -26.11 55.13 0.26 0.73 2.70 3.0
20180306 15:12:39 * SSMIS-17 85-92GHz 79.3 -25.12 54.52 -25.05 54.50 0.16 0.46 3.00 0.0
20180306 15:07:51 SSMIS-18 85-92GHz 79.6 -25.21 54.47 -25.15 54.44 0.18 0.50 1.90 2.3
20180306 13:02:50 * SSMIS-16 85-92GHz 86.5 -25.01 54.26 -25.15 54.33 0.16 0.45 1.50 6.0
20180306 02:42:20 * SSMIS-17 85-92GHz 97.7 -24.10 53.33 -24.08 53.32 0.14 0.38 0.90 21.8
20180306 02:37:10 * SSMIS-18 85-92GHz 97.8 -24.09 53.27 -24.08 53.27 0.13 0.38 0.90 29.2
20180306 00:32:19 * SSMIS-16 85-92GHz 100.0 -23.75 53.21 -23.64 53.10 0.13 0.36 2.40 37.1
20180305 21:22:40 * AMSR2 85-92GHz 100.0 -23.12 52.48 -23.03 52.31 0.13 0.38 0.40 85.8
20180305 21:22:40 AMSR2 37GHz 100.0 -23.12 52.32 -23.03 52.15 0.14 0.40 0.30 ***
20180305 18:21:00 Metop-A ASCAT 100.0 *** *** *** *** *** *** *** ***
20180305 17:39:00 Metop-B ASCAT 100.3 *** *** *** *** *** *** *** ***
20180305 15:26:57 * SSMIS-17 85-92GHz 102.1 -22.92 52.08 -22.80 52.01 0.12 0.34 2.60 21.2
20180305 15:21:17 SSMIS-18 85-92GHz 102.2 -22.76 51.86 -22.65 51.79 0.12 0.35 0.30 96.2
20180305 10:27:11 * AMSR2 85-92GHz 103.7 -21.98 51.42 -22.17 51.50 0.12 0.34 0.50 100.0
20180305 10:27:11 AMSR2 37GHz 103.7 -21.88 51.31 -22.07 51.39 0.13 0.36 0.40 ***
20180305 05:51:00 Metop-A ASCAT 99.8 *** *** *** *** *** *** *** ***
20180305 05:31:39 * GMI 85-92GHz 99.2 -20.94 51.27 -20.94 51.27 0.11 0.32 0.60 100.0
20180305 05:31:39 GMI 37GHz 99.2 -20.94 51.11 -20.94 51.11 0.12 0.34 0.40 ***
20180305 05:12:00 Metop-B ASCAT 98.7 *** *** *** *** *** *** *** ***
20180305 05:09:00 Metop-B ASCAT 98.6 *** *** *** *** *** *** *** ***
20180305 02:54:54 SSMIS-17 85-92GHz 94.9 -20.74 51.09 -20.70 51.07 0.12 0.34 0.40 92.3
20180305 02:48:54 * SSMIS-18 85-92GHz 94.7 -20.73 51.09 -20.70 51.07 0.12 0.33 0.40 95.1
20180305 00:44:30 SSMIS-16 85-92GHz 91.2 -20.24 50.99 -20.08 50.91 0.14 0.38 0.40 83.1
20180304 22:16:58 * AMSR2 85-92GHz 87.1 -20.00 50.88 -20.17 50.98 0.11 0.30 0.60 100.0
20180304 22:16:58 AMSR2 37GHz 87.1 -19.95 50.72 -20.12 50.82 0.12 0.35 0.40 ***
20180304 18:42:00 Metop-A ASCAT 81.2 -19.41 50.56 -19.22 50.55 0.17 0.49 *** ***
20180304 18:00:00 Metop-B ASCAT 80.0 -19.40 50.60 -19.32 50.60 0.15 0.41 *** ***
20180304 15:41:23 * SSMIS-17 85-92GHz 80.0 -19.31 50.64 -19.13 50.68 0.12 0.33 0.40 94.3
20180304 11:11:17 * SSMI-15 85-92GHz 78.6 -18.29 50.85 -18.34 50.83 0.13 0.38 0.50 71.1
20180304 06:12:00 Metop-A ASCAT 70.2 -17.78 51.03 -17.67 51.07 0.18 0.50 *** ***
20180304 05:33:00 Metop-B ASCAT 69.6 *** *** *** *** *** *** *** ***
20180304 05:30:00 Metop-B ASCAT 69.6 -17.82 51.11 -17.82 51.11 0.15 0.42 *** ***
20180304 03:07:20 * SSMIS-17 85-92GHz 67.6 -17.20 51.59 -17.08 51.62 0.11 0.32 2.40 61.3
20180304 03:00:27 SSMIS-18 85-92GHz 67.5 -17.43 51.75 -17.33 51.77 0.15 0.44 1.80 82.9
20180303 21:33:01 * AMSR2 85-92GHz 58.9 -16.95 51.73 -16.85 51.83 0.22 0.62 0.10 79.4
20180303 21:33:01 AMSR2 37GHz 58.9 -16.45 51.99 -16.35 52.09 0.51 1.45 0.90 ***
20180303 18:21:00 Metop-B ASCAT 50.0 *** *** *** *** *** *** *** ***
20180303 17:06:39 GMI 85-92GHz 49.3 -16.34 52.61 -16.38 52.59 0.36 1.02 0.30 26.1
20180303 17:06:39 * GMI 37GHz 49.3 -15.94 52.41 -15.98 52.39 0.24 0.67 0.20 ***
20180303 12:03:36 * SSMIS-16 85-92GHz 45.0 -15.30 52.70 -15.26 52.75 0.19 0.52 1.10 14.1
20180303 11:28:02 * SSMI-15 85-92GHz 45.0 -15.16 52.52 -15.16 52.52 0.20 0.55 0.20 65.4
20180303 05:41:39 GMI 85-92GHz 44.7 *** *** *** *** *** *** 3.00 ***
20180303 05:41:39 GMI 37GHz 44.7 *** *** *** *** *** *** 3.00 ***
20180302 22:53:27 * SSMI-15 85-92GHz 40.0 -12.97 54.30 -13.11 54.27 0.30 0.86 2.40 -0.3
20180302 17:45:00 Metop-A ASCAT 39.8 *** *** *** *** *** *** *** ***
20180302 14:20:11 SSMIS-18 85-92GHz 36.9 -12.24 54.59 -12.24 54.60 0.47 1.32 0.20 0.8
20180302 12:17:30 * SSMIS-16 85-92GHz 35.0 -12.07 54.39 -12.05 54.36 0.23 0.66 0.30 7.5

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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