-- 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
20200517 05:30:00 Geo Vis 20.0 *** *** *** *** *** *** 1.00 ***
20200517 05:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.30 ***
20200517 05:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.20 ***
20200517 05:18:39 AMSR2 85-92GHz 20.0 *** *** *** *** *** *** 0.60 ***
20200517 05:18:39 * AMSR2 37GHz 20.0 21.80 122.30 21.83 122.31 0.59 1.66 0.30 ***
20200517 04:26:39 GMI 85-92GHz 20.0 *** *** *** *** *** *** 0.90 ***
20200517 04:26:39 GMI 37GHz 20.0 *** *** *** *** *** *** 0.20 ***
20200517 02:30:00 Geo Vis 20.0 *** *** *** *** *** *** 0.50 ***
20200517 02:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.50 ***
20200517 02:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.50 ***
20200517 01:27:00 Metop-A ASCAT 20.0 *** *** *** *** *** *** *** ***
20200517 01:00:00 Metop-B ASCAT 20.0 *** *** *** *** *** *** *** ***
20200516 23:30:00 * Geo Vis 20.0 20.55 119.65 20.55 119.65 0.54 1.53 1.00 ***
20200516 23:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.10 ***
20200516 23:30:00 Geo IR 20.0 20.25 119.75 20.25 119.75 1.81 5.11 0.30 0.8
20200516 22:57:04 SSMIS-17 85-92GHz 20.0 20.22 120.90 20.30 120.93 0.56 1.57 3.00 0.0
20200516 20:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.40 ***
20200516 20:30:00 Geo IR 20.0 19.93 119.88 19.93 119.88 0.97 2.73 0.90 5.7
20200516 19:51:16 * SSMIS-16 85-92GHz 20.0 20.13 121.05 20.21 121.08 0.32 0.91 1.50 4.9
20200516 17:30:00 Geo NearIR 20.3 *** *** *** *** *** *** 0.50 ***
20200516 17:30:00 Geo IR 20.3 *** *** *** *** *** *** 1.00 ***
20200516 14:30:00 Geo NearIR 21.9 *** *** *** *** *** *** 0.10 ***
20200516 14:30:00 Geo IR 21.9 *** *** *** *** *** *** 0.70 ***
20200516 12:57:00 * Metop-A ASCAT 22.8 18.72 119.26 18.56 119.17 0.51 1.43 *** ***
20200516 12:33:00 Metop-B ASCAT 23.0 *** *** *** *** *** *** *** ***
20200516 11:30:00 Geo NearIR 23.6 *** *** *** *** *** *** 0.70 ***
20200516 11:30:00 Geo IR 23.6 *** *** *** *** *** *** 0.60 ***
20200516 10:24:42 * SSMIS-17 85-92GHz 24.2 19.40 120.66 19.51 120.72 0.52 1.47 1.10 1.5
20200516 08:30:00 Geo Vis 25.0 *** *** *** *** *** *** 0.30 ***
20200516 08:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 0.50 ***
20200516 08:30:00 Geo IR 25.0 *** *** *** *** *** *** 0.30 ***
20200516 05:30:00 Geo Vis 25.8 19.28 120.50 19.28 120.50 1.80 5.08 0.30 ***
20200516 05:30:00 Geo NearIR 25.8 *** *** *** *** *** *** 0.10 ***
20200516 05:30:00 Geo IR 25.8 *** *** *** *** *** *** 0.10 ***
20200516 05:16:40 * GMI 85-92GHz 26.2 18.84 120.14 18.88 120.15 0.40 1.14 0.10 1.8
20200516 05:16:40 GMI 37GHz 26.2 *** *** *** *** *** *** 1.20 ***
20200516 02:30:00 Geo Vis 30.8 18.75 120.11 18.75 120.11 0.52 1.46 0.10 ***
20200516 02:30:00 Geo NearIR 30.8 *** *** *** *** *** *** 0.10 ***
20200516 02:30:00 Geo IR 30.8 18.55 120.19 18.55 120.19 3.36 9.49 0.70 5.6
20200516 01:24:00 Metop-B ASCAT 32.7 17.45 119.00 17.72 119.11 1.44 4.07 *** ***
20200515 23:30:00 Geo Vis 35.8 *** *** *** *** *** *** 0.50 ***
20200515 23:30:00 Geo NearIR 35.8 *** *** *** *** *** *** 0.40 ***
20200515 23:30:00 Geo IR 35.8 *** *** *** *** *** *** 0.40 ***
20200515 23:12:02 * SSMIS-17 85-92GHz 36.3 18.10 120.16 18.19 120.13 0.44 1.25 0.90 0.9
20200515 20:35:17 SSMIS-18 85-92GHz 40.7 17.12 120.50 17.09 120.53 0.57 1.61 3.00 1.4
20200515 20:30:00 Geo NearIR 40.8 *** *** *** *** *** *** 0.30 ***
20200515 20:30:00 Geo IR 40.8 *** *** *** *** *** *** 0.30 ***
20200515 20:05:35 SSMIS-16 85-92GHz 41.5 *** *** *** *** *** *** 2.90 ***
20200515 17:42:00 * AMSR2 85-92GHz 45.5 15.60 121.79 15.55 121.80 0.22 0.62 1.00 99.1
20200515 17:42:00 AMSR2 37GHz 45.5 *** *** *** *** *** *** 0.30 ***
20200515 17:30:00 Geo NearIR 45.8 *** *** *** *** *** *** 0.30 ***
20200515 17:30:00 Geo IR 45.8 *** *** *** *** *** *** 0.80 ***
20200515 14:30:00 Geo NearIR 50.8 15.61 122.37 15.61 122.37 3.11 8.79 0.30 ***
20200515 14:30:00 Geo IR 50.8 15.81 122.06 15.81 122.06 3.36 9.49 0.10 6.0
20200515 12:51:00 * Metop-B ASCAT 53.6 14.90 120.05 14.67 120.13 0.32 0.91 *** ***
20200515 11:30:00 Geo NearIR 55.4 15.07 121.54 15.07 121.54 0.37 1.04 0.20 ***
20200515 11:30:00 Geo IR 55.4 15.19 121.51 15.19 121.51 3.36 9.49 0.10 3.6
20200515 10:36:56 * SSMIS-17 85-92GHz 56.2 14.76 121.50 14.92 121.44 0.25 0.69 0.20 37.7
20200515 08:30:00 Geo Vis 57.9 15.58 121.33 15.58 121.33 1.39 3.94 0.10 ***
20200515 08:30:00 Geo NearIR 57.9 15.05 121.57 15.05 121.57 3.36 9.49 0.10 ***
20200515 08:30:00 Geo IR 57.9 *** *** *** *** *** *** 0.40 ***
20200515 07:29:59 * SSMIS-16 85-92GHz 58.8 14.18 121.96 14.35 121.87 0.20 0.57 0.30 76.1
20200515 05:30:00 Geo Vis 60.4 *** *** *** *** *** *** 0.10 ***
20200515 05:30:00 Geo NearIR 60.4 15.03 121.49 15.03 121.49 3.33 9.42 0.20 ***
20200515 05:30:00 Geo IR 60.4 *** *** *** *** *** *** 0.20 ***
20200515 05:28:45 AMSR2 85-92GHz 60.4 *** *** *** *** *** *** 0.30 ***
20200515 05:28:45 * AMSR2 37GHz 60.4 13.93 121.70 13.93 121.70 0.53 1.48 1.60 ***
20200515 02:30:00 Geo Vis 62.9 13.91 122.37 13.91 122.37 1.92 5.44 0.10 ***
20200515 02:30:00 Geo NearIR 62.9 13.93 122.58 13.93 122.58 2.58 7.29 0.10 ***
20200515 02:30:00 Geo IR 62.9 14.28 120.73 14.28 120.73 1.23 3.49 0.10 46.4
20200515 01:45:00 Metop-B ASCAT 63.5 13.98 123.12 14.08 123.01 3.36 9.49 *** ***
20200515 00:30:00 Metop-A ASCAT 65.0 *** *** *** *** *** *** *** ***
20200514 23:30:00 Geo Vis 65.0 *** *** *** *** *** *** 0.50 ***
20200514 23:30:00 Geo NearIR 65.0 13.71 123.22 13.71 123.22 0.96 2.71 0.20 ***
20200514 23:30:00 Geo IR 65.0 13.18 122.99 13.18 122.99 1.85 5.23 0.10 1.3
20200514 20:48:57 SSMIS-18 85-92GHz 65.0 *** *** *** *** *** *** 1.00 ***
20200514 20:30:00 * Geo NearIR 65.0 12.95 123.54 12.95 123.54 0.42 1.20 0.10 ***
20200514 20:30:00 Geo IR 65.0 12.27 122.41 12.27 122.41 1.76 4.97 0.40 10.3
20200514 20:19:21 SSMIS-16 85-92GHz 65.0 *** *** *** *** *** *** 1.00 ***
20200514 17:30:00 Geo NearIR 66.7 12.35 123.84 12.35 123.84 2.66 7.52 0.10 ***
20200514 17:30:00 Geo IR 66.7 12.40 123.79 12.40 123.79 0.92 2.61 0.10 48.2
20200514 17:00:01 AMSR2 85-92GHz 68.3 *** *** *** *** *** *** 0.20 ***
20200514 17:00:01 AMSR2 37GHz 68.3 *** *** *** *** *** *** 3.00 ***
20200514 14:30:00 * Geo NearIR 76.7 12.57 124.29 12.57 124.29 0.21 0.59 0.10 ***
20200514 14:30:00 Geo IR 76.7 12.52 124.21 12.52 124.21 0.41 1.16 0.20 11.7
20200514 13:12:00 Metop-B ASCAT 81.0 *** *** *** *** *** *** *** ***
20200514 11:57:00 * Metop-A ASCAT 85.1 12.55 124.70 12.54 124.74 0.17 0.47 *** ***
20200514 11:30:00 Geo NearIR 86.3 12.09 124.74 12.09 124.74 1.63 4.61 0.10 ***
20200514 11:30:00 Geo IR 86.3 12.01 125.43 12.01 125.43 0.27 0.77 0.20 46.9
20200514 08:30:00 Geo Vis 93.8 12.16 125.15 12.16 125.15 0.19 0.53 0.10 ***
20200514 08:30:00 Geo NearIR 93.8 12.08 125.08 12.08 125.08 0.32 0.90 0.90 ***
20200514 08:30:00 Geo IR 93.8 12.01 125.20 12.01 125.20 0.18 0.52 0.20 34.8
20200514 08:12:13 * SSMIS-18 85-92GHz 94.5 12.23 125.30 12.24 125.28 0.13 0.37 3.00 -6.2
20200514 07:42:16 SSMIS-16 85-92GHz 95.7 12.17 125.43 12.19 125.39 0.13 0.37 0.10 -1.3
20200514 05:31:40 GMI 85-92GHz 99.2 *** *** *** *** *** *** 0.10 ***
20200514 05:31:40 GMI 37GHz 99.2 12.34 125.42 12.34 125.42 0.13 0.38 0.30 ***
20200514 05:30:00 Geo Vis 99.2 *** *** *** *** *** *** 0.30 ***
20200514 05:30:00 Geo NearIR 99.2 12.34 125.35 12.34 125.35 0.21 0.60 0.60 ***
20200514 05:30:00 Geo IR 99.2 12.11 125.40 12.11 125.40 0.33 0.93 0.20 45.0
20200514 04:45:21 * AMSR2 85-92GHz 97.9 12.27 125.53 12.28 125.44 0.11 0.32 0.10 100.0
20200514 04:45:21 AMSR2 37GHz 97.9 *** *** *** *** *** *** 0.30 ***
20200514 02:30:00 Geo Vis 94.2 12.13 125.82 12.13 125.82 0.15 0.42 0.20 ***
20200514 02:30:00 Geo NearIR 94.2 11.98 125.92 11.98 125.92 0.18 0.51 0.10 ***
20200514 02:30:00 Geo IR 94.2 12.06 125.87 12.06 125.87 0.21 0.59 0.10 98.3
20200514 00:51:00 Metop-A ASCAT 91.8 12.05 125.93 12.05 126.13 0.28 0.80 *** ***
20200513 23:30:00 Geo Vis 91.3 *** *** *** *** *** *** 0.40 ***
20200513 23:30:00 Geo NearIR 91.3 12.00 126.34 12.00 126.34 0.46 1.31 0.20 ***
20200513 23:30:00 Geo IR 91.3 12.05 126.32 12.05 126.32 0.50 1.41 0.10 48.2
20200513 21:58:57 * SSMIS-17 85-92GHz 95.0 12.10 126.47 12.10 126.66 0.11 0.31 0.30 100.0
20200513 21:01:30 * SSMIS-18 85-92GHz 97.4 12.10 126.59 12.10 126.66 0.11 0.30 0.20 100.0
20200513 20:30:00 Geo NearIR 98.8 12.00 126.74 12.00 126.74 0.22 0.63 0.10 ***
20200513 20:30:00 Geo IR 98.8 12.05 126.71 12.05 126.71 0.20 0.56 0.20 100.0
20200513 18:01:40 GMI 85-92GHz 105.0 *** *** *** *** *** *** 0.90 ***
20200513 18:01:40 * GMI 37GHz 105.0 12.05 127.00 12.05 127.07 0.14 0.40 0.20 ***
20200513 17:30:00 Geo NearIR 103.7 12.08 127.17 12.08 127.17 0.38 1.07 0.20 ***
20200513 17:30:00 Geo IR 103.7 12.13 127.12 12.13 127.12 0.22 0.62 0.10 100.0
20200513 12:18:00 Metop-A ASCAT 90.0 11.91 127.77 11.91 127.86 0.23 0.64 *** ***
20200513 11:30:00 * Geo NearIR 88.3 11.76 127.90 11.76 127.90 0.10 0.29 0.10 ***
20200513 11:30:00 Geo IR 88.3 12.06 128.00 12.06 128.00 0.15 0.42 0.10 100.0
20200513 08:30:00 Geo Vis 78.3 11.98 128.29 11.98 128.29 0.30 0.85 0.10 ***
20200513 08:30:00 Geo NearIR 78.3 11.91 128.50 11.91 128.50 0.28 0.78 0.50 ***
20200513 08:30:00 * Geo IR 78.3 11.96 128.34 11.96 128.34 0.16 0.44 0.20 62.4
20200513 08:24:18 SSMIS-18 85-92GHz 78.0 11.88 128.28 11.88 128.27 0.19 0.54 0.40 15.0
20200513 05:30:00 * Geo Vis 69.2 11.96 128.54 11.96 128.54 0.14 0.39 0.10 ***
20200513 05:30:00 Geo NearIR 69.2 11.86 128.54 11.86 128.54 0.23 0.65 0.10 ***
20200513 05:30:00 Geo IR 69.2 11.78 128.72 11.78 128.72 0.24 0.69 0.30 49.7
20200513 02:30:00 Geo Vis 64.2 11.90 128.70 11.90 128.70 0.14 0.41 0.80 ***
20200513 02:30:00 Geo NearIR 64.2 11.85 128.57 11.85 128.57 0.57 1.60 0.20 ***
20200513 02:30:00 Geo IR 64.2 11.80 128.83 11.80 128.83 0.69 1.96 0.10 35.9
20200513 00:45:00 * Metop-B ASCAT 61.2 11.76 128.81 11.75 128.88 0.11 0.32 *** ***
20200512 23:30:00 Geo Vis 59.2 11.93 129.08 11.93 129.08 1.19 3.37 0.10 ***
20200512 23:30:00 Geo NearIR 59.2 12.30 129.29 12.30 129.29 0.78 2.21 0.10 ***
20200512 23:30:00 Geo IR 59.2 12.95 129.06 12.95 129.06 3.36 9.49 0.10 7.5
20200512 22:11:18 * SSMIS-17 85-92GHz 57.0 11.72 128.97 11.70 128.88 0.16 0.45 0.20 71.2
20200512 20:30:00 Geo NearIR 54.2 *** *** *** *** *** *** 0.10 ***
20200512 20:30:00 Geo IR 54.2 *** *** *** *** *** *** 0.20 ***
20200512 17:30:00 Geo NearIR 48.7 12.12 128.89 12.12 128.89 0.74 2.10 0.10 ***
20200512 17:30:00 Geo IR 48.7 12.50 129.65 12.50 129.65 3.36 9.49 0.30 10.5
20200512 17:12:19 * AMSR2 85-92GHz 48.0 11.91 129.23 11.92 129.24 0.15 0.41 0.40 100.0
20200512 17:12:19 AMSR2 37GHz 48.0 11.81 129.23 11.82 129.24 0.23 0.66 0.10 ***
20200512 14:30:00 Geo NearIR 41.2 12.29 129.54 12.29 129.54 0.65 1.85 0.10 ***
20200512 14:30:00 Geo IR 41.2 11.74 129.26 11.74 129.26 1.35 3.81 0.90 10.6
20200512 12:12:00 Metop-B ASCAT 35.1 10.61 129.05 10.55 129.05 0.56 1.59 *** ***
20200512 11:30:00 Geo NearIR 34.6 11.61 129.66 11.61 129.66 3.36 9.49 0.10 ***
20200512 11:30:00 Geo IR 34.6 11.51 129.43 11.51 129.43 3.36 9.49 0.20 3.7
20200512 09:34:34 SSMIS-17 85-92GHz 33.0 *** *** *** *** *** *** 2.10 ***
20200512 08:36:30 * SSMIS-18 85-92GHz 32.2 11.44 128.94 11.43 128.95 0.44 1.24 2.40 0.5
20200512 08:30:00 Geo Vis 32.1 11.03 130.35 11.03 130.35 0.47 1.33 0.10 ***
20200512 08:30:00 Geo NearIR 32.1 11.18 129.81 11.18 129.81 0.55 1.55 0.20 ***
20200512 08:30:00 Geo IR 32.1 *** *** *** *** *** *** 0.10 ***
20200512 05:41:39 * GMI 85-92GHz 30.0 11.22 128.74 11.19 128.74 0.32 0.91 1.60 8.9
20200512 05:41:39 GMI 37GHz 30.0 *** *** *** *** *** *** 1.90 ***
20200512 05:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.70 ***
20200512 05:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.20 ***
20200512 05:30:00 Geo IR 30.0 *** *** *** *** *** *** 1.00 ***
20200512 04:56:55 AMSR2 85-92GHz 30.0 11.08 128.83 11.15 128.84 0.64 1.80 1.50 0.0
20200512 04:56:55 AMSR2 37GHz 30.0 *** *** *** *** *** *** 0.20 ***
20200512 02:30:00 Geo Vis 30.0 11.96 129.92 11.96 129.92 0.95 2.69 0.30 ***
20200512 02:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.80 ***
20200512 02:30:00 Geo IR 30.0 12.18 128.37 12.18 128.37 3.36 9.49 0.20 32.6
20200512 01:06:00 Metop-B ASCAT 30.0 *** *** *** *** *** *** *** ***
20200511 23:54:00 * Metop-A ASCAT 29.9 10.34 129.00 10.30 129.00 0.17 0.48 *** ***
20200511 23:51:00 * Metop-A ASCAT 29.9 10.34 129.00 10.31 129.00 0.17 0.48 *** ***
20200511 23:30:00 Geo Vis 29.6 *** *** *** *** *** *** 0.30 ***
20200511 23:30:00 Geo NearIR 29.6 *** *** *** *** *** *** 0.60 ***
20200511 23:30:00 Geo IR 29.6 *** *** *** *** *** *** 0.20 ***
20200511 22:25:33 SSMIS-17 85-92GHz 28.7 9.93 128.60 10.03 128.60 0.57 1.60 1.50 1.5
20200511 20:30:00 Geo NearIR 27.1 *** *** *** *** *** *** 0.30 ***
20200511 20:30:00 Geo IR 27.1 *** *** *** *** *** *** 0.20 ***
20200511 19:18:06 * SSMIS-16 85-92GHz 26.1 9.97 128.60 10.06 128.60 0.45 1.27 3.00 4.0
20200511 17:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 0.50 ***
20200511 17:30:00 Geo IR 25.0 10.35 128.33 10.35 128.33 3.36 9.49 0.10 2.8

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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