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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
20230724 19:10:57 SSMIS-16 85-92GHz 35.0 47.82 -38.74 47.68 -39.27 0.38 1.06 0.30 3.6
20230724 17:17:30 SSMIS-18 85-92GHz 35.4 47.58 -39.89 47.63 -39.72 0.51 1.44 0.20 1.1
20230724 15:01:32 AMSR2 85-92GHz 36.7 47.45 -40.64 47.43 -40.74 0.34 0.97 2.20 7.7
20230724 15:01:32 AMSR2 37GHz 36.7 47.70 -41.01 47.68 -41.11 0.33 0.92 1.20 ***
20230724 13:18:00 * Metop-A ASCAT 37.6 47.63 -41.72 47.78 -41.19 0.18 0.52 *** ***
20230724 12:30:00 Metop-C ASCAT 38.1 47.90 -41.86 47.83 -42.14 0.34 0.96 *** ***
20230724 09:36:31 SSMIS-17 85-92GHz 39.7 47.01 -42.78 46.93 -43.09 0.35 1.00 1.80 2.6
20230724 09:22:55 SSMIS-16 85-92GHz 39.8 47.04 -43.01 46.98 -43.24 0.39 1.09 1.80 3.2
20230724 07:29:08 * SSMIS-18 85-92GHz 40.0 47.05 -43.94 47.18 -43.46 0.34 0.97 1.90 3.6
20230724 05:30:48 AMSR2 85-92GHz 40.4 46.69 -44.39 46.72 -44.32 0.40 1.14 0.20 3.6
20230724 05:30:48 AMSR2 37GHz 40.4 46.84 -44.39 46.87 -44.32 0.41 1.17 1.00 ***
20230724 02:36:15 GMI 85-92GHz 42.8 46.28 -45.33 46.30 -45.29 0.22 0.63 0.30 14.5
20230724 02:36:15 GMI 37GHz 42.8 46.48 -45.25 46.50 -45.22 0.23 0.66 1.00 ***
20230724 00:18:00 * Metop-C ASCAT 45.0 46.00 -45.83 45.91 -45.98 0.18 0.51 *** ***
20230723 23:27:00 Metop-A ASCAT 45.5 45.96 -46.07 46.01 -45.99 0.19 0.54 *** ***
20230723 23:24:00 * Metop-A ASCAT 45.5 45.95 -46.01 46.01 -45.92 0.19 0.54 *** ***
20230723 21:18:44 SSMIS-17 85-92GHz 47.2 45.16 -46.60 45.04 -46.75 0.33 0.94 0.60 12.1
20230723 19:11:49 SSMIS-18 85-92GHz 50.0 45.16 -47.42 44.85 -47.77 0.27 0.77 3.00 0.0
20230723 15:55:58 AMSR2 85-92GHz 51.7 44.35 -47.48 44.07 -47.72 0.27 0.77 1.70 9.4
20230723 15:55:58 * AMSR2 37GHz 51.7 44.30 -47.69 44.02 -47.93 0.17 0.47 0.20 ***
20230723 13:42:00 Metop-A ASCAT 53.6 43.85 -48.27 44.11 -48.06 0.24 0.69 *** ***
20230723 12:54:00 * Metop-C ASCAT 55.0 44.03 -48.24 43.77 -48.44 0.21 0.59 *** ***
20230723 09:51:34 SSMIS-17 85-92GHz 56.8 42.79 -48.74 42.56 -48.91 0.34 0.96 1.10 7.1
20230723 09:37:28 SSMIS-16 85-92GHz 57.0 42.84 -48.84 42.66 -48.98 0.29 0.81 1.10 16.4
20230723 07:43:56 * SSMIS-18 85-92GHz 58.6 42.53 -49.12 42.75 -48.97 0.21 0.59 1.10 36.5
20230723 04:49:18 AMSR2 85-92GHz 61.0 41.75 -49.40 41.95 -49.30 0.19 0.53 0.90 79.3
20230723 04:49:18 * AMSR2 37GHz 61.0 41.60 -49.66 41.80 -49.57 0.10 0.28 0.60 ***
20230723 00:39:00 Metop-C ASCAT 65.0 40.70 -49.99 40.51 -50.03 0.18 0.52 *** ***
20230723 00:36:00 Metop-C ASCAT 65.0 40.73 -49.99 40.56 -50.03 0.18 0.51 *** ***
20230722 23:45:00 * Metop-A ASCAT 65.0 40.70 -50.18 40.70 -50.18 0.14 0.40 *** ***
20230722 21:31:00 SSMIS-17 85-92GHz 65.0 40.09 -50.02 39.93 -50.04 0.16 0.46 0.20 77.7
20230722 19:35:49 * SSMIS-16 85-92GHz 65.0 39.81 -50.06 40.04 -50.03 0.15 0.42 0.30 90.4
20230722 19:23:38 SSMIS-18 85-92GHz 65.0 39.77 -50.39 40.04 -50.35 0.16 0.45 0.30 80.2
20230722 16:49:57 * AMSR2 85-92GHz 62.1 39.09 -50.28 39.25 -50.29 0.14 0.40 0.30 100.0
20230722 16:49:57 AMSR2 37GHz 62.1 39.19 -50.22 39.35 -50.23 0.16 0.47 0.20 ***
20230722 14:03:00 Metop-A ASCAT 55.1 *** *** *** *** *** *** *** ***
20230722 10:06:21 SSMIS-17 85-92GHz 50.0 38.15 -49.83 38.01 -49.72 0.17 0.48 0.50 74.5
20230722 09:52:01 * SSMIS-16 85-92GHz 50.0 38.13 -49.88 38.01 -49.79 0.15 0.42 0.40 87.4
20230722 07:57:53 SSMIS-18 85-92GHz 50.0 38.08 -49.60 38.16 -49.67 0.18 0.50 0.60 61.4
20230722 05:45:42 AMSR2 85-92GHz 50.0 37.66 -49.38 37.66 -49.37 0.22 0.63 0.60 56.0
20230722 05:45:42 * AMSR2 37GHz 50.0 37.66 -49.19 37.66 -49.18 0.14 0.38 0.20 ***
20230722 02:46:14 GMI 85-92GHz 50.0 37.04 -48.76 37.04 -48.76 0.16 0.44 0.60 95.5
20230722 02:46:14 * GMI 37GHz 50.0 37.04 -48.70 37.04 -48.70 0.14 0.39 0.40 ***
20230722 00:57:00 * Metop-C ASCAT 50.0 37.15 -48.78 36.98 -48.52 0.14 0.41 *** ***
20230721 21:43:44 SSMIS-17 85-92GHz 50.0 36.52 -47.90 36.41 -47.70 0.40 1.14 0.30 18.3
20230721 19:47:57 * SSMIS-16 85-92GHz 50.0 36.24 -47.18 36.34 -47.37 0.25 0.72 0.60 30.8
20230721 16:05:55 AMSR2 85-92GHz 48.4 35.82 -46.68 35.62 -46.45 0.18 0.50 0.70 82.4
20230721 16:05:55 * AMSR2 37GHz 48.4 35.77 -46.74 35.57 -46.52 0.11 0.30 0.40 ***
20230721 13:36:00 Metop-C ASCAT 46.3 35.61 -46.32 35.77 -46.51 0.14 0.38 *** ***
20230721 12:45:00 Metop-A ASCAT 45.0 *** *** *** *** *** *** *** ***
20230721 11:41:14 GMI 85-92GHz 45.0 35.43 -45.89 35.43 -45.90 0.25 0.70 0.40 67.7
20230721 11:41:14 * GMI 37GHz 45.0 35.33 -46.07 35.33 -46.08 0.10 0.29 0.40 ***
20230721 10:20:41 SSMIS-17 85-92GHz 45.0 35.20 -45.99 35.28 -46.20 0.19 0.55 0.80 64.6
20230721 08:24:52 SSMIS-16 85-92GHz 45.0 35.17 -45.40 35.18 -45.45 0.18 0.50 0.80 71.5
20230721 05:03:16 AMSR2 85-92GHz 45.0 34.88 -45.08 34.93 -45.18 0.18 0.51 0.70 65.6
20230721 05:03:16 * AMSR2 37GHz 45.0 34.73 -45.02 34.78 -45.12 0.10 0.28 0.40 ***
20230721 02:01:14 GMI 85-92GHz 45.0 34.58 -44.48 34.65 -44.59 0.15 0.44 0.70 60.7
20230721 02:01:14 * GMI 37GHz 45.0 34.63 -44.54 34.70 -44.65 0.10 0.27 0.40 ***
20230721 00:27:00 Metop-A ASCAT 45.0 *** *** *** *** *** *** *** ***
20230721 00:24:00 Metop-A ASCAT 45.0 34.47 -44.33 34.44 -44.23 0.15 0.44 *** ***
20230720 23:39:00 Metop-C ASCAT 45.0 34.54 -44.15 34.54 -44.16 0.14 0.39 *** ***
20230720 23:36:00 Metop-C ASCAT 45.0 34.54 -44.20 34.54 -44.22 0.15 0.42 *** ***
20230720 20:15:24 * SSMIS-17 85-92GHz 45.0 34.39 -43.53 34.39 -43.60 0.12 0.35 1.10 98.4
20230720 20:00:14 SSMIS-16 85-92GHz 45.0 34.33 -43.49 34.34 -43.60 0.16 0.46 0.70 72.8
20230720 18:07:06 SSMIS-18 85-92GHz 45.0 34.36 -43.38 34.35 -43.32 0.17 0.49 0.80 59.7
20230720 12:18:00 * Metop-C ASCAT 45.0 34.21 -42.25 34.19 -42.15 0.12 0.34 *** ***
20230720 08:38:05 SSMIS-16 85-92GHz 45.0 34.24 -41.43 34.24 -41.45 0.21 0.58 1.20 56.9
20230720 06:44:39 * SSMIS-18 85-92GHz 45.0 34.27 -41.29 34.23 -41.16 0.17 0.48 0.50 70.9
20230720 04:20:36 * AMSR2 85-92GHz 45.7 33.92 -40.75 33.98 -40.90 0.31 0.88 0.90 57.1
20230720 04:20:36 AMSR2 37GHz 45.7 34.02 -41.17 34.08 -41.32 0.47 1.34 0.10 ***
20230719 23:57:00 Metop-C ASCAT 45.0 *** *** *** *** *** *** *** ***
20230719 23:06:00 Metop-A ASCAT 44.3 *** *** *** *** *** *** *** ***
20230719 23:03:00 Metop-A ASCAT 44.2 *** *** *** *** *** *** *** ***
20230719 20:28:06 * SSMIS-17 85-92GHz 42.1 33.80 -40.79 33.80 -40.82 0.36 1.00 1.60 8.1
20230719 20:13:18 SSMIS-16 85-92GHz 41.9 33.60 -40.70 33.60 -40.76 0.49 1.39 1.20 3.3
20230719 18:19:40 SSMIS-18 85-92GHz 40.0 33.75 -40.42 33.75 -40.36 0.37 1.03 0.60 18.4
20230719 16:17:33 AMSR2 85-92GHz 38.6 33.81 -40.12 33.80 -40.29 0.30 0.85 0.70 22.2
20230719 16:17:33 * AMSR2 37GHz 38.6 34.06 -40.12 34.05 -40.29 0.27 0.76 1.10 ***
20230719 12:39:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20230719 11:56:14 * GMI 85-92GHz 35.0 33.95 -39.54 33.95 -39.53 0.23 0.64 1.10 19.3
20230719 11:56:14 GMI 37GHz 35.0 33.95 -39.42 33.95 -39.41 0.24 0.67 0.70 ***
20230719 11:48:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20230719 11:45:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20230719 09:07:10 SSMIS-17 85-92GHz 35.0 33.92 -39.30 33.93 -39.29 0.33 0.93 1.30 6.3
20230719 08:51:20 * SSMIS-16 85-92GHz 35.0 33.78 -39.17 33.78 -39.17 0.28 0.80 0.80 16.9
20230719 06:57:33 * SSMIS-18 85-92GHz 35.0 34.03 -39.56 34.08 -39.53 0.37 1.04 1.20 3.5
20230719 02:16:14 GMI 85-92GHz 35.0 34.27 -39.06 34.25 -39.07 0.31 0.89 1.10 8.0
20230719 02:16:14 GMI 37GHz 35.0 34.12 -39.24 34.10 -39.25 0.42 1.20 1.10 ***
20230719 00:18:00 * Metop-C ASCAT 35.0 34.49 -39.06 34.53 -39.06 0.13 0.37 *** ***
20230718 23:27:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20230718 23:24:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20230718 20:42:33 SSMIS-17 85-92GHz 35.0 34.68 -39.15 34.68 -39.15 0.35 0.98 2.30 3.1
20230718 18:33:23 SSMIS-18 85-92GHz 35.0 35.06 -39.58 35.17 -39.61 0.42 1.19 1.10 1.4
20230718 15:35:05 AMSR2 85-92GHz 35.0 35.28 -39.34 35.39 -39.37 0.41 1.16 1.40 4.5
20230718 15:35:05 AMSR2 37GHz 35.0 35.53 -39.34 35.64 -39.37 0.43 1.21 1.10 ***
20230718 13:00:00 * Metop-C ASCAT 35.0 35.81 -39.30 35.98 -39.36 0.12 0.35 *** ***
20230718 12:06:00 * Metop-A ASCAT 35.0 35.99 -39.40 36.03 -39.41 0.13 0.37 *** ***
20230718 09:20:14 * SSMIS-17 85-92GHz 35.0 36.50 -39.58 36.57 -39.63 0.31 0.89 1.30 2.1
20230718 09:03:59 SSMIS-16 85-92GHz 35.0 36.54 -39.72 36.58 -39.75 0.33 0.94 1.30 2.1
20230718 07:10:01 SSMIS-18 85-92GHz 35.0 36.80 -39.96 37.00 -40.11 0.45 1.27 1.40 1.0
20230718 04:32:03 AMSR2 85-92GHz 35.0 36.96 -40.27 36.75 -40.12 0.32 0.89 2.50 5.9
20230718 04:32:03 * AMSR2 37GHz 35.0 36.81 -40.27 36.60 -40.12 0.23 0.65 0.70 ***
20230718 03:06:14 GMI 85-92GHz 35.0 36.91 -40.35 36.98 -40.40 0.29 0.81 1.60 4.9
20230718 03:06:14 * GMI 37GHz 35.0 36.76 -40.29 36.83 -40.34 0.24 0.68 1.40 ***
20230717 23:00:00 Metop-C ASCAT 34.2 *** *** *** *** *** *** *** ***
20230717 20:57:04 * SSMIS-17 85-92GHz 32.5 37.82 -41.27 37.84 -41.32 0.54 1.52 1.80 1.0
20230717 18:47:26 * SSMIS-18 85-92GHz 30.7 38.38 -42.65 38.47 -42.89 0.42 1.18 2.50 2.2
20230717 16:31:10 AMSR2 85-92GHz 30.0 38.45 -42.88 38.34 -42.60 0.51 1.43 0.30 0.6
20230717 16:31:10 * AMSR2 37GHz 30.0 38.70 -43.01 38.59 -42.73 0.34 0.97 3.00 ***
20230717 13:18:00 * Metop-C ASCAT 30.0 38.82 -43.35 38.71 -43.01 0.15 0.43 *** ***
20230717 12:27:00 Metop-A ASCAT 30.0 38.96 -43.55 39.02 -43.73 0.20 0.58 *** ***
20230717 12:06:14 GMI 85-92GHz 30.0 *** *** *** *** *** *** 3.00 ***
20230717 12:06:14 GMI 37GHz 30.0 *** *** *** *** *** *** 3.00 ***
20230717 09:33:06 SSMIS-17 85-92GHz 30.0 39.29 -44.56 39.37 -44.81 0.51 1.44 2.30 0.9
20230717 09:16:25 * SSMIS-16 85-92GHz 30.0 39.37 -44.84 39.42 -45.00 0.35 1.00 1.90 2.0
20230717 07:22:25 SSMIS-18 85-92GHz 30.0 38.97 -44.97 38.86 -44.56 0.44 1.25 1.30 2.6
20230717 05:26:43 AMSR2 85-92GHz 30.0 39.17 -45.60 39.16 -45.54 0.47 1.34 2.10 2.0
20230717 05:26:43 AMSR2 37GHz 30.0 39.27 -45.92 39.26 -45.86 0.37 1.03 0.50 ***
20230717 04:01:14 GMI 85-92GHz 30.0 39.10 -45.96 39.13 -46.18 0.48 1.34 2.20 1.7
20230717 04:01:14 * GMI 37GHz 30.0 39.45 -46.22 39.48 -46.44 0.29 0.83 1.00 ***
20230716 23:21:00 * Metop-C ASCAT 30.0 39.35 -46.39 39.35 -46.32 0.16 0.45 *** ***
20230716 21:11:09 SSMIS-17 85-92GHz 30.0 39.09 -46.79 39.07 -46.87 0.42 1.19 0.70 3.2
20230716 19:01:07 SSMIS-18 85-92GHz 30.0 39.30 -47.52 39.24 -47.76 0.38 1.08 1.30 2.6
20230716 15:48:27 * AMSR2 85-92GHz 30.0 39.12 -47.71 39.04 -47.95 0.28 0.81 0.70 6.4
20230716 15:48:27 AMSR2 37GHz 30.0 39.27 -48.16 39.19 -48.40 0.32 0.92 0.90 ***
20230716 13:01:14 GMI 85-92GHz 30.0 38.69 -48.49 38.59 -48.57 0.43 1.22 0.50 3.4
20230716 13:01:14 GMI 37GHz 30.0 39.04 -48.87 38.94 -48.96 0.35 0.99 1.00 ***
20230716 12:48:00 * Metop-A ASCAT 30.0 38.98 -48.52 38.90 -48.58 0.12 0.35 *** ***
20230716 09:46:58 SSMIS-17 85-92GHz 31.8 39.10 -48.59 39.01 -48.60 0.40 1.13 2.50 1.8
20230716 09:29:49 SSMIS-16 85-92GHz 32.1 38.97 -48.85 38.91 -48.86 0.34 0.95 2.70 1.8
20230716 07:36:16 * SSMIS-18 85-92GHz 33.7 38.80 -48.93 38.89 -48.92 0.32 0.90 2.10 4.6
20230716 04:44:03 AMSR2 85-92GHz 35.0 38.56 -48.74 38.64 -48.72 0.32 0.90 0.20 9.5
20230716 04:44:03 * AMSR2 37GHz 35.0 38.21 -48.93 38.29 -48.91 0.25 0.71 1.60 ***
20230716 00:30:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20230715 23:42:00 * Metop-C ASCAT 35.0 37.71 -48.93 37.72 -48.93 0.13 0.37 *** ***
20230715 21:24:19 SSMIS-17 85-92GHz 35.0 37.53 -48.66 37.40 -48.62 0.24 0.67 2.10 8.2
20230715 19:13:46 SSMIS-18 85-92GHz 35.0 36.96 -48.60 36.75 -48.58 0.31 0.89 0.80 4.6
20230715 16:42:58 AMSR2 85-92GHz 36.1 36.56 -48.54 36.68 -48.54 0.28 0.78 0.10 9.5
20230715 16:42:58 * AMSR2 37GHz 36.1 36.51 -48.79 36.63 -48.79 0.27 0.75 0.60 ***
20230715 13:51:14 GMI 85-92GHz 38.5 36.30 -48.85 36.38 -48.85 0.32 0.90 0.20 10.9
20230715 13:51:14 GMI 37GHz 38.5 36.10 -48.29 36.18 -48.29 0.42 1.19 0.20 ***
20230715 12:21:00 Metop-C ASCAT 40.0 *** *** *** *** *** *** *** ***
20230715 10:01:05 * SSMIS-17 85-92GHz 40.0 36.49 -48.28 36.27 -48.05 0.31 0.88 2.00 3.7
20230715 07:50:16 SSMIS-18 85-92GHz 40.0 36.04 -47.97 36.20 -48.16 0.47 1.33 0.90 2.4
20230715 04:11:14 GMI 85-92GHz 40.0 *** *** *** *** *** *** 0.80 ***
20230715 04:11:14 GMI 37GHz 40.0 *** *** *** *** *** *** 1.90 ***
20230715 00:51:00 * Metop-A ASCAT 40.0 34.26 -47.84 34.11 -47.82 0.16 0.46 *** ***
20230715 00:48:00 Metop-A ASCAT 40.0 34.25 -47.84 34.11 -47.83 0.17 0.48 *** ***
20230715 00:03:00 Metop-C ASCAT 40.0 *** *** *** *** *** *** *** ***
20230715 00:00:00 Metop-C ASCAT 40.0 *** *** *** *** *** *** *** ***
20230714 21:37:05 SSMIS-17 85-92GHz 40.0 33.83 -47.44 33.74 -47.61 0.55 1.57 1.80 0.6
20230714 19:38:25 * SSMIS-16 85-92GHz 40.0 33.58 -47.45 33.68 -47.25 0.28 0.78 2.50 12.5
20230714 15:59:17 * AMSR2 85-92GHz 40.0 33.68 -47.57 33.63 -47.36 0.24 0.69 2.30 7.7
20230714 15:59:17 AMSR2 37GHz 40.0 33.58 -47.81 33.53 -47.60 0.34 0.95 0.80 ***
20230714 13:30:00 * Metop-A ASCAT 40.0 33.35 -47.51 33.41 -47.73 0.12 0.35 *** ***
20230714 12:42:00 * Metop-C ASCAT 40.0 33.47 -47.33 33.41 -47.23 0.11 0.32 *** ***
20230714 10:15:39 * SSMIS-17 85-92GHz 41.4 33.31 -47.10 33.44 -47.23 0.24 0.68 1.50 8.9
20230714 04:57:59 AMSR2 85-92GHz 45.0 32.73 -47.02 32.82 -47.07 0.31 0.87 2.90 11.2
20230714 04:57:59 * AMSR2 37GHz 45.0 32.68 -47.08 32.77 -47.13 0.16 0.46 0.60 ***

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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