-- 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
20240831 16:34:55 * SSMIS-17 85-92GHz 20.6 23.04 -159.72 23.20 -159.97 0.32 0.91 3.00 0.0
20240831 11:47:57 AMSR2 85-92GHz 22.6 *** *** *** *** *** *** 3.00 ***
20240831 11:47:57 AMSR2 37GHz 22.6 *** *** *** *** *** *** 3.00 ***
20240831 11:43:55 GMI 85-92GHz 22.6 *** *** *** *** *** *** 3.00 ***
20240831 11:43:55 GMI 37GHz 22.6 *** *** *** *** *** *** 3.00 ***
20240831 04:03:41 * SSMIS-17 85-92GHz 25.8 22.54 -157.24 22.45 -157.03 0.40 1.13 1.10 2.5
20240830 23:38:39 * AMSR2 85-92GHz 27.6 21.95 -156.25 21.98 -156.32 0.27 0.76 1.30 12.6
20240830 23:38:39 AMSR2 37GHz 27.6 21.90 -156.46 21.93 -156.54 0.41 1.16 2.50 ***
20240830 20:27:00 Metop-C ASCAT 29.0 21.32 -155.76 21.36 -155.87 0.22 0.62 *** ***
20240830 19:33:00 * Metop-A ASCAT 29.4 21.31 -155.53 21.41 -155.82 0.15 0.42 *** ***
20240830 16:48:59 SSMIS-17 85-92GHz 30.0 21.02 -155.52 21.10 -155.75 0.58 1.65 1.60 0.3
20240830 16:12:48 SSMIS-16 85-92GHz 30.0 21.02 -154.70 20.94 -154.45 0.45 1.28 2.90 2.1
20240830 14:00:14 * SSMIS-18 85-92GHz 30.0 20.91 -154.62 20.99 -154.82 0.29 0.81 1.30 10.3
20240830 10:53:55 GMI 85-92GHz 30.0 *** *** *** *** *** *** 3.00 ***
20240830 10:53:55 GMI 37GHz 30.0 *** *** *** *** *** *** 3.00 ***
20240830 07:06:00 * Metop-A ASCAT 30.0 20.81 -153.99 20.75 -153.78 0.15 0.44 *** ***
20240830 04:17:16 SSMIS-17 85-92GHz 30.0 20.37 -152.72 20.31 -152.49 0.50 1.41 1.70 3.1
20240830 03:40:41 * SSMIS-16 85-92GHz 30.0 20.44 -152.51 20.41 -152.39 0.30 0.84 1.80 15.1
20240830 01:28:06 * SSMIS-18 85-92GHz 30.0 20.35 -152.87 20.29 -152.62 0.38 1.07 2.00 2.9
20240829 19:09:00 Metop-C ASCAT 30.0 *** *** *** *** *** *** *** ***
20240829 16:26:24 * SSMIS-16 85-92GHz 30.0 20.22 -150.72 20.08 -150.49 0.50 1.42 1.50 1.3
20240829 14:13:54 SSMIS-18 85-92GHz 30.0 20.37 -150.12 20.44 -150.24 0.55 1.57 1.20 1.4
20240829 11:33:55 GMI 85-92GHz 30.4 *** *** *** *** *** *** 3.00 ***
20240829 11:33:55 * GMI 37GHz 30.4 19.94 -149.80 19.96 -149.88 0.18 0.52 3.00 ***
20240829 07:27:00 * Metop-A ASCAT 33.8 19.34 -149.14 19.30 -148.84 0.14 0.40 *** ***
20240829 06:39:00 Metop-C ASCAT 35.0 19.27 -148.98 19.25 -148.84 0.18 0.50 *** ***
20240829 03:53:33 * SSMIS-16 85-92GHz 35.0 19.56 -148.34 19.55 -148.14 0.28 0.79 1.60 8.0
20240829 01:41:11 SSMIS-18 85-92GHz 35.0 19.67 -148.00 19.69 -148.29 0.30 0.86 1.10 3.4
20240828 22:08:55 * GMI 85-92GHz 36.5 19.47 -147.22 19.38 -146.99 0.27 0.76 0.20 6.5
20240828 22:08:55 GMI 37GHz 36.5 19.07 -147.32 18.98 -147.10 0.34 0.95 0.60 ***
20240828 15:36:25 * SSMIS-17 85-92GHz 40.0 18.52 -145.72 18.50 -145.58 0.28 0.79 1.90 22.1
20240828 11:18:00 * AMSR2 85-92GHz 40.6 19.12 -144.96 19.15 -145.10 0.25 0.72 1.20 20.1
20240828 11:18:00 AMSR2 37GHz 40.6 18.52 -145.01 18.55 -145.16 0.28 0.80 1.70 ***
20240828 06:09:00 Metop-A ASCAT 45.0 18.05 -143.72 18.05 -143.69 0.36 1.02 *** ***
20240828 06:06:00 Metop-A ASCAT 45.0 *** *** *** *** *** *** *** ***
20240828 03:01:13 * SSMIS-17 85-92GHz 45.0 18.45 -143.36 18.45 -143.35 0.28 0.79 2.10 6.9
20240827 23:06:24 AMSR2 85-92GHz 46.5 18.40 -142.42 18.40 -142.59 0.20 0.57 1.10 26.6
20240827 23:06:24 * AMSR2 37GHz 46.5 18.30 -142.42 18.30 -142.59 0.14 0.40 0.60 ***
20240827 15:50:02 SSMIS-17 85-92GHz 62.2 18.25 -141.01 18.25 -140.82 0.19 0.54 1.60 8.7
20240827 15:12:26 * SSMIS-16 85-92GHz 64.3 18.35 -140.86 18.35 -140.81 0.17 0.47 2.30 13.1
20240827 13:00:13 SSMIS-18 85-92GHz 71.7 18.62 -140.31 18.62 -140.07 0.27 0.77 1.00 1.1
20240827 11:23:56 GMI 85-92GHz 76.5 18.55 -139.91 18.55 -140.06 0.16 0.46 0.30 21.3
20240827 11:23:56 * GMI 37GHz 76.5 18.35 -139.97 18.35 -140.11 0.12 0.35 0.30 ***
20240827 10:34:51 AMSR2 85-92GHz 78.5 18.20 -139.88 18.20 -140.22 0.16 0.46 1.00 22.0
20240827 10:34:51 * AMSR2 37GHz 78.5 18.35 -139.82 18.35 -140.17 0.13 0.38 0.30 ***
20240827 03:16:49 * SSMIS-17 85-92GHz 92.3 18.45 -138.18 18.45 -138.14 0.13 0.36 0.30 94.7
20240827 02:38:49 SSMIS-16 85-92GHz 92.8 18.50 -138.03 18.50 -138.08 0.13 0.37 0.20 98.4
20240826 22:23:32 AMSR2 85-92GHz 94.2 18.42 -137.57 18.40 -137.36 0.13 0.35 0.30 100.0
20240826 22:23:32 * AMSR2 37GHz 94.2 18.37 -137.57 18.35 -137.36 0.12 0.33 0.20 ***
20240826 21:58:56 * GMI 85-92GHz 94.5 18.42 -137.50 18.40 -137.35 0.12 0.33 0.30 100.0
20240826 21:58:56 GMI 37GHz 94.5 18.37 -137.50 18.35 -137.35 0.13 0.36 0.20 ***
20240826 18:30:00 Metop-C ASCAT 95.0 18.22 -136.45 18.21 -136.38 0.16 0.46 *** ***
20240826 15:25:37 * SSMIS-16 85-92GHz 89.8 18.21 -136.46 18.19 -136.40 0.12 0.34 0.30 99.6
20240826 13:13:33 * SSMIS-18 85-92GHz 87.0 18.13 -136.41 18.11 -136.26 0.12 0.35 0.30 91.6
20240826 03:30:40 * SSMIS-17 85-92GHz 87.1 18.02 -135.17 18.01 -135.10 0.12 0.35 0.30 93.0
20240826 02:51:51 * SSMIS-16 85-92GHz 87.6 17.91 -135.08 17.91 -135.10 0.13 0.36 0.30 93.4
20240826 00:39:56 * SSMIS-18 85-92GHz 90.0 17.92 -134.95 17.91 -134.86 0.12 0.34 0.20 99.1
20240825 18:51:00 * Metop-C ASCAT 98.6 17.30 -134.12 17.30 -134.01 0.19 0.53 *** ***
20240825 17:57:00 Metop-A ASCAT 100.1 17.80 -133.95 17.80 -133.95 0.19 0.54 *** ***
20240825 15:39:13 * SSMIS-16 85-92GHz 103.9 17.95 -133.65 17.95 -133.56 0.13 0.35 0.20 99.1
20240825 13:27:17 SSMIS-18 85-92GHz 107.6 17.80 -133.41 17.80 -133.21 0.12 0.34 0.30 100.0
20240825 11:13:55 * GMI 85-92GHz 110.6 17.90 -133.03 17.90 -133.15 0.11 0.32 0.30 100.0
20240825 11:13:55 GMI 37GHz 110.6 17.80 -133.03 17.80 -133.15 0.13 0.37 0.20 ***
20240825 10:47:10 * AMSR2 85-92GHz 111.0 17.95 -132.96 17.95 -133.15 0.12 0.33 0.30 100.0
20240825 10:47:10 AMSR2 37GHz 111.0 17.80 -132.96 17.80 -133.15 0.12 0.33 0.20 ***
20240825 06:21:00 Metop-C ASCAT 115.0 17.16 -132.04 17.16 -131.99 0.20 0.57 *** ***
20240825 05:27:00 Metop-A ASCAT 114.5 17.63 -132.09 17.63 -132.16 0.18 0.51 *** ***
20240825 03:05:22 * SSMIS-16 85-92GHz 112.6 17.69 -131.92 17.69 -131.91 0.11 0.30 0.30 100.0
20240825 00:53:31 * SSMIS-18 85-92GHz 110.0 17.83 -131.73 17.80 -131.62 0.11 0.30 0.30 100.0
20240824 22:35:34 AMSR2 85-92GHz 104.1 17.82 -131.20 17.85 -131.39 0.11 0.30 0.30 100.0
20240824 22:35:34 AMSR2 37GHz 104.1 18.02 -131.14 18.05 -131.34 0.12 0.35 0.20 ***
20240824 21:48:55 * GMI 85-92GHz 100.9 17.81 -131.13 17.80 -131.01 0.10 0.28 0.30 100.0
20240824 21:48:55 GMI 37GHz 100.9 17.71 -131.13 17.70 -131.01 0.11 0.31 0.20 ***
20240824 18:18:00 Metop-A ASCAT 86.0 *** *** *** *** *** *** *** ***
20240824 14:50:48 * SSMIS-17 85-92GHz 82.4 17.68 -130.18 17.68 -130.20 0.11 0.30 0.30 100.0
20240824 10:04:25 * AMSR2 85-92GHz 81.6 17.55 -129.48 17.55 -129.36 0.10 0.28 0.30 100.0
20240824 10:04:25 AMSR2 37GHz 81.6 17.40 -129.48 17.40 -129.36 0.14 0.38 0.20 ***
20240824 02:16:57 * SSMIS-17 85-92GHz 88.1 17.39 -128.24 17.40 -128.35 0.11 0.32 0.40 97.2
20240823 21:52:17 AMSR2 85-92GHz 91.8 17.31 -127.72 17.27 -127.60 0.14 0.40 0.30 72.5
20240823 21:52:17 * AMSR2 37GHz 91.8 17.16 -127.56 17.12 -127.44 0.13 0.36 0.40 ***
20240823 17:51:00 * Metop-C ASCAT 95.1 17.20 -127.18 17.20 -127.20 0.17 0.49 *** ***
20240823 15:04:30 * SSMIS-17 85-92GHz 97.4 17.25 -126.89 17.25 -126.88 0.13 0.38 0.30 90.5
20240823 14:25:01 SSMIS-16 85-92GHz 98.0 17.31 -126.70 17.30 -126.78 0.14 0.40 0.30 81.1
20240823 12:13:13 SSMIS-18 85-92GHz 100.0 17.35 -126.58 17.35 -126.56 0.13 0.36 0.30 95.5
20240823 11:03:56 * GMI 85-92GHz 100.8 17.25 -126.40 17.25 -126.50 0.11 0.32 0.30 100.0
20240823 11:03:56 GMI 37GHz 100.8 17.20 -126.40 17.20 -126.50 0.12 0.34 0.20 ***
20240823 05:24:00 * Metop-C ASCAT 105.0 17.09 -125.74 17.09 -125.80 0.20 0.57 *** ***
20240823 05:21:00 Metop-C ASCAT 105.0 17.09 -125.73 17.09 -125.80 0.20 0.57 *** ***
20240823 02:30:32 * SSMIS-17 85-92GHz 105.0 17.23 -125.45 17.24 -125.50 0.12 0.35 0.40 99.3
20240823 01:50:40 SSMIS-16 85-92GHz 105.0 17.21 -125.38 17.24 -125.50 0.12 0.34 0.30 100.0
20240822 23:39:14 * SSMIS-18 85-92GHz 105.3 17.09 -125.27 17.10 -125.30 0.12 0.34 0.30 100.0
20240822 18:12:00 * Metop-C ASCAT 110.0 16.66 -124.72 16.65 -124.70 0.16 0.45 *** ***
20240822 17:18:00 Metop-A ASCAT 110.0 16.83 -124.58 16.85 -124.64 0.19 0.53 *** ***
20240822 14:38:19 * SSMIS-16 85-92GHz 110.0 16.94 -124.45 16.95 -124.48 0.11 0.31 0.40 100.0
20240822 12:26:51 * SSMIS-18 85-92GHz 110.0 16.82 -124.39 16.81 -124.36 0.12 0.33 0.40 100.0
20240822 11:43:56 GMI 85-92GHz 109.6 *** *** *** *** *** *** 3.00 ***
20240822 11:43:56 GMI 37GHz 109.6 *** *** *** *** *** *** 1.60 ***
20240822 10:16:56 * AMSR2 85-92GHz 107.1 16.73 -124.15 16.68 -124.09 0.11 0.31 0.40 100.0
20240822 10:16:56 AMSR2 37GHz 107.1 16.63 -124.10 16.58 -124.04 0.11 0.32 0.20 ***
20240822 05:42:00 Metop-C ASCAT 99.8 *** *** *** *** *** *** *** ***
20240822 04:51:00 * Metop-A ASCAT 99.0 16.18 -123.66 16.20 -123.73 0.16 0.46 *** ***
20240822 02:42:52 * SSMIS-17 85-92GHz 97.3 16.45 -123.68 16.45 -123.70 0.10 0.30 0.30 100.0
20240822 02:03:46 SSMIS-16 85-92GHz 96.7 16.34 -123.59 16.35 -123.65 0.11 0.31 0.30 100.0
20240821 23:52:24 * SSMIS-18 85-92GHz 94.8 16.30 -123.62 16.30 -123.63 0.11 0.31 0.30 100.0
20240821 22:23:56 GMI 85-92GHz 93.7 16.40 -123.28 16.35 -123.13 0.13 0.37 0.30 100.0
20240821 22:23:56 * GMI 37GHz 93.7 16.35 -123.33 16.30 -123.18 0.11 0.30 0.20 ***
20240821 22:04:32 AMSR2 85-92GHz 93.4 16.39 -123.30 16.35 -123.18 0.11 0.32 0.30 100.0
20240821 22:04:32 AMSR2 37GHz 93.4 16.39 -123.30 16.35 -123.18 0.12 0.33 0.20 ***
20240821 14:52:08 * SSMIS-16 85-92GHz 82.2 15.91 -122.69 15.92 -122.69 0.08 0.23 0.60 100.0
20240821 12:40:41 * SSMIS-18 85-92GHz 76.7 15.81 -122.70 15.80 -122.66 0.10 0.28 0.50 100.0
20240821 09:34:13 * AMSR2 85-92GHz 71.0 15.65 -122.25 15.65 -122.21 0.09 0.26 0.60 100.0
20240821 09:34:13 AMSR2 37GHz 71.0 15.70 -122.20 15.70 -122.16 0.10 0.27 0.30 ***
20240821 02:17:14 * SSMIS-16 85-92GHz 61.9 15.52 -121.51 15.50 -121.63 0.17 0.49 0.40 86.7
20240821 00:06:00 SSMIS-18 85-92GHz 60.0 15.45 -121.27 15.45 -121.25 0.40 1.14 0.40 23.1
20240820 21:21:25 AMSR2 85-92GHz 57.8 *** *** *** *** *** *** 0.10 ***
20240820 21:21:25 AMSR2 37GHz 57.8 16.20 -121.02 16.20 -120.97 0.35 0.99 0.90 ***
20240820 18:03:00 * Metop-A ASCAT 55.1 15.90 -120.36 15.90 -120.36 0.13 0.36 *** ***
20240820 14:05:27 * SSMIS-17 85-92GHz 48.5 16.14 -119.74 16.16 -119.89 0.40 1.13 0.40 2.3
20240820 11:33:55 * GMI 85-92GHz 45.0 15.73 -118.86 15.74 -118.95 0.52 1.48 1.80 2.6
20240820 11:33:55 GMI 37GHz 45.0 *** *** *** *** *** *** 1.70 ***
20240820 05:30:00 Metop-C ASCAT 45.4 15.77 -117.82 15.81 -117.91 0.19 0.55 *** ***
20240820 05:30:00 * Metop-A ASCAT 45.4 15.77 -117.82 15.81 -117.91 0.19 0.55 *** ***
20240820 01:30:28 * SSMIS-17 85-92GHz 48.7 15.13 -117.59 15.31 -117.81 0.39 1.10 0.90 15.6
20240819 14:19:19 * SSMIS-17 85-92GHz 46.9 15.30 -116.34 15.30 -116.46 0.41 1.15 1.40 7.7
20240819 11:26:00 SSMIS-18 85-92GHz 45.0 15.19 -115.90 15.19 -116.02 0.35 0.99 0.80 13.0
20240819 09:46:42 * AMSR2 85-92GHz 45.0 14.96 -115.16 14.95 -114.97 0.18 0.50 0.60 63.2
20240819 09:46:42 AMSR2 37GHz 45.0 14.96 -114.95 14.95 -114.76 0.20 0.56 0.30 ***
20240819 05:06:00 Metop-C ASCAT 43.5 *** *** *** *** *** *** *** ***
20240819 05:03:00 Metop-C ASCAT 43.4 *** *** *** *** *** *** *** ***
20240819 04:12:00 * Metop-A ASCAT 42.0 14.79 -113.78 14.74 -113.57 0.13 0.38 *** ***
20240819 01:44:04 SSMIS-17 85-92GHz 37.9 15.15 -113.54 15.20 -113.76 0.43 1.22 1.00 6.1
20240819 01:02:22 SSMIS-16 85-92GHz 36.7 14.98 -113.40 14.95 -113.21 0.31 0.88 0.80 15.2
20240818 22:53:56 GMI 85-92GHz 35.0 14.88 -113.01 14.90 -113.22 0.36 1.00 0.70 9.9
20240818 22:53:56 * GMI 37GHz 35.0 15.08 -112.90 15.10 -113.11 0.30 0.84 1.00 ***
20240818 22:51:23 SSMIS-18 85-92GHz 35.0 *** *** *** *** *** *** 0.50 ***
20240818 13:51:18 * SSMIS-16 85-92GHz 31.5 14.82 -110.83 14.84 -111.15 0.34 0.97 0.90 10.8
20240818 11:40:21 SSMIS-18 85-92GHz 30.0 14.64 -110.61 14.64 -110.70 0.61 1.74 0.80 0.3

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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