-- Link to M-PERC 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
20200925 19:04:53 AMSR2 85-92GHz 15.0 35.07 -87.03 34.92 -87.21 0.63 1.78 1.80 0.0
20200925 19:04:53 AMSR2 37GHz 15.0 35.47 -86.85 35.32 -87.02 0.50 1.42 2.40 ***
20200925 18:20:19 * GMI 85-92GHz 15.0 35.39 -87.13 35.32 -87.21 0.50 1.40 1.00 0.3
20200925 18:20:19 GMI 37GHz 15.0 35.39 -86.83 35.32 -86.90 0.55 1.56 1.60 ***
20200925 15:57:00 Metop-B ASCAT 15.9 *** *** *** *** *** *** *** ***
20200925 10:58:04 * SSMIS-18 85-92GHz 17.9 33.89 -88.02 33.97 -87.92 0.58 1.64 0.20 0.1
20200925 08:02:53 AMSR2 85-92GHz 19.1 33.72 -88.12 33.80 -88.03 0.59 1.66 0.10 0.1
20200925 08:02:53 * AMSR2 37GHz 19.1 33.77 -87.82 33.85 -87.72 0.40 1.14 2.30 ***
20200925 03:36:00 Metop-B ASCAT 20.0 *** *** *** *** *** *** *** ***
20200924 22:32:12 * SSMIS-18 85-92GHz 20.0 32.83 -89.55 32.97 -89.35 0.40 1.12 0.20 0.6
20200924 16:18:00 Metop-B ASCAT 20.0 *** *** *** *** *** *** *** ***
20200924 11:11:28 * SSMIS-18 85-92GHz 20.0 31.61 -91.77 31.67 -91.70 0.63 1.79 3.00 0.0
20200924 04:10:18 GMI 85-92GHz 20.8 *** *** *** *** *** *** 3.00 ***
20200924 04:10:18 GMI 37GHz 20.8 *** *** *** *** *** *** 3.00 ***
20200924 03:57:00 Metop-B ASCAT 20.9 *** *** *** *** *** *** *** ***
20200924 02:42:00 Metop-A ASCAT 21.4 *** *** *** *** *** *** *** ***
20200923 22:44:28 * SSMIS-18 85-92GHz 23.0 31.24 -94.19 31.34 -94.05 0.62 1.75 3.00 0.0
20200923 19:16:17 * AMSR2 85-92GHz 24.5 30.36 -94.50 30.49 -94.30 0.49 1.38 3.00 0.4
20200923 19:16:17 AMSR2 37GHz 24.5 *** *** *** *** *** *** 2.40 ***
20200923 16:42:00 Metop-B ASCAT 25.0 *** *** *** *** *** *** *** ***
20200923 15:27:00 Metop-A ASCAT 25.0 *** *** *** *** *** *** *** ***
20200923 11:24:45 * SSMIS-18 85-92GHz 25.0 29.36 -95.66 29.38 -95.62 0.58 1.63 3.00 0.2
20200923 08:16:36 AMSR2 85-92GHz 25.0 *** *** *** *** *** *** 3.00 ***
20200923 08:16:36 AMSR2 37GHz 25.0 *** *** *** *** *** *** 1.80 ***
20200923 05:00:19 GMI 85-92GHz 25.0 28.96 -96.26 28.99 -96.20 0.37 1.06 0.20 0.7
20200923 05:00:19 GMI 37GHz 25.0 *** *** *** *** *** *** 0.20 ***
20200923 03:03:00 * Metop-A ASCAT 25.0 28.84 -95.62 28.83 -95.65 0.13 0.36 *** ***
20200922 22:57:06 SSMIS-18 85-92GHz 25.0 *** *** *** *** *** *** 2.10 ***
20200922 20:11:15 AMSR2 85-92GHz 25.0 *** *** *** *** *** *** 0.50 ***
20200922 20:11:15 AMSR2 37GHz 25.0 *** *** *** *** *** *** 3.00 ***
20200922 19:15:19 GMI 85-92GHz 25.0 *** *** *** *** *** *** 2.20 ***
20200922 19:15:19 GMI 37GHz 25.0 *** *** *** *** *** *** 0.70 ***
20200922 15:48:00 Metop-A ASCAT 28.7 *** *** *** *** *** *** *** ***
20200922 11:37:44 * SSMIS-18 85-92GHz 35.0 28.84 -96.68 28.84 -96.69 0.49 1.39 2.70 1.5
20200922 02:57:00 * Metop-B ASCAT 37.5 28.23 -96.27 28.22 -96.25 0.13 0.37 *** ***
20200922 00:10:04 SSMIS-17 85-92GHz 40.0 *** *** *** *** *** *** 1.30 ***
20200921 23:09:40 SSMIS-18 85-92GHz 40.0 *** *** *** *** *** *** 1.20 ***
20200921 21:50:37 SSMIS-16 85-92GHz 39.5 *** *** *** *** *** *** 0.40 ***
20200921 19:28:07 AMSR2 85-92GHz 40.0 28.00 -95.94 28.04 -95.95 0.40 1.12 0.80 4.8
20200921 19:28:07 AMSR2 37GHz 40.0 *** *** *** *** *** *** 0.30 ***
20200921 15:42:00 * Metop-B ASCAT 41.9 27.99 -95.74 27.94 -95.65 0.12 0.33 *** ***
20200921 14:30:00 Metop-A ASCAT 42.9 *** *** *** *** *** *** *** ***
20200921 12:51:37 * SSMIS-17 85-92GHz 45.0 28.13 -95.52 28.08 -95.41 0.24 0.68 0.90 25.0
20200921 11:50:45 SSMIS-18 85-92GHz 45.0 28.14 -95.18 28.14 -95.17 0.56 1.60 1.30 1.3
20200921 10:32:02 SSMIS-16 85-92GHz 45.0 28.09 -95.30 28.15 -95.43 0.36 1.03 0.30 17.0
20200921 08:29:31 * AMSR2 85-92GHz 45.0 27.73 -95.39 27.74 -95.42 0.17 0.48 0.30 96.6
20200921 08:29:31 AMSR2 37GHz 45.0 27.68 -94.99 27.69 -95.02 0.18 0.51 0.70 ***
20200921 03:18:00 Metop-B ASCAT 47.3 *** *** *** *** *** *** *** ***
20200921 02:03:00 * Metop-A ASCAT 48.3 27.40 -94.15 27.40 -94.23 0.12 0.35 *** ***
20200921 00:23:22 SSMIS-17 85-92GHz 50.0 27.55 -94.08 27.55 -94.03 0.24 0.69 0.20 7.7
20200920 22:03:14 SSMIS-16 85-92GHz 50.0 *** *** *** *** *** *** 2.00 ***
20200920 19:25:19 GMI 85-92GHz 50.0 27.70 -93.73 27.70 -93.81 0.36 1.01 1.20 13.6
20200920 19:25:19 * GMI 37GHz 50.0 27.45 -93.11 27.45 -93.19 0.15 0.43 1.20 ***
20200920 14:48:00 Metop-A ASCAT 50.0 *** *** *** *** *** *** *** ***
20200920 13:05:00 SSMIS-17 85-92GHz 50.0 26.89 -92.87 26.80 -92.73 0.61 1.73 1.70 0.4
20200920 10:44:56 * SSMIS-16 85-92GHz 50.0 27.41 -92.28 27.45 -92.35 0.40 1.14 0.20 2.6
20200920 07:46:47 AMSR2 85-92GHz 50.0 27.46 -92.95 27.49 -92.99 0.37 1.04 0.20 48.4
20200920 07:46:47 * AMSR2 37GHz 50.0 26.61 -92.39 26.64 -92.43 0.26 0.72 2.60 ***
20200920 06:05:19 GMI 85-92GHz 50.0 27.15 -92.95 27.14 -92.94 0.27 0.76 0.80 42.7
20200920 06:05:19 * GMI 37GHz 50.0 26.70 -92.45 26.69 -92.43 0.26 0.74 0.90 ***
20200920 00:36:07 * SSMIS-17 85-92GHz 50.0 26.75 -91.98 26.73 -91.97 0.39 1.12 1.60 3.6
20200919 22:16:00 SSMIS-16 85-92GHz 50.0 *** *** *** *** *** *** 0.30 ***
20200919 19:39:50 AMSR2 85-92GHz 50.0 *** *** *** *** *** *** 0.10 ***
20200919 19:39:50 * AMSR2 37GHz 50.0 26.80 -92.33 26.87 -92.26 0.21 0.60 0.20 ***
20200919 16:24:00 * Metop-B ASCAT 50.0 26.30 -92.21 26.30 -92.22 0.12 0.34 *** ***
20200919 15:09:00 * Metop-A ASCAT 50.0 26.25 -92.13 26.25 -92.12 0.13 0.37 *** ***
20200919 13:18:30 SSMIS-17 85-92GHz 50.0 26.50 -92.20 26.50 -92.23 0.36 1.02 2.00 3.7
20200919 10:58:17 * SSMIS-16 85-92GHz 50.0 26.43 -92.37 26.46 -92.39 0.25 0.71 1.20 9.2
20200919 04:00:00 Metop-B ASCAT 50.6 *** *** *** *** *** *** *** ***
20200919 02:45:00 * Metop-A ASCAT 50.0 25.07 -92.30 25.07 -92.30 0.15 0.41 *** ***
20200919 00:49:03 SSMIS-17 85-92GHz 50.0 25.42 -92.47 25.27 -92.51 0.46 1.29 0.20 1.5
20200918 22:28:23 * SSMIS-16 85-92GHz 46.2 25.20 -91.17 25.45 -91.05 0.21 0.58 1.90 75.0
20200918 15:30:00 * Metop-A ASCAT 32.9 23.48 -93.49 23.44 -93.61 0.18 0.51 *** ***
20200918 13:32:48 SSMIS-17 85-92GHz 31.3 23.52 -94.24 23.58 -94.08 0.45 1.27 1.80 3.5
20200918 11:12:16 * SSMIS-16 85-92GHz 30.0 23.10 -94.29 23.16 -94.27 0.35 0.98 3.00 0.0
20200918 10:48:54 * SSMIS-18 85-92GHz 30.0 23.19 -94.40 23.31 -94.38 0.35 1.00 3.00 0.0
20200918 08:00:20 AMSR2 85-92GHz 30.0 22.35 -94.46 22.48 -94.45 0.49 1.38 3.00 0.0
20200918 08:00:20 AMSR2 37GHz 30.0 22.85 -94.51 22.98 -94.50 0.60 1.71 0.90 ***
20200918 03:03:00 * Metop-A ASCAT 30.0 22.12 -94.20 22.09 -94.20 0.12 0.35 *** ***
20200918 01:01:44 SSMIS-17 85-92GHz 30.0 22.10 -94.71 22.03 -94.72 0.51 1.43 3.00 0.4
20200917 22:40:49 SSMIS-16 85-92GHz 30.0 *** *** *** *** *** *** 0.20 ***
20200917 22:16:45 * SSMIS-18 85-92GHz 30.0 22.03 -93.47 22.10 -93.44 0.40 1.12 2.60 3.4
20200917 19:50:54 AMSR2 85-92GHz 30.0 *** *** *** *** *** *** 2.70 ***
20200917 19:50:54 * AMSR2 37GHz 30.0 21.67 -93.94 21.69 -93.90 0.31 0.86 1.50 ***

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, F-Decks

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