-- 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
20260707 02:30:00 * HIMAWARI9 IR 125 16.16 139.16 16.18 139.04 0.10 0.28 0.30 100
20260707 02:30:00   HIMAWARI9 SWIR 125 16.13 139.16 16.15 139.04 0.11 0.32 0.30 ***
20260706 23:34:55   GMI 37GHz 135 16.01 139.93 16.03 139.85 0.14 0.39 0.30 ***
20260706 23:34:55 * GMI 89-92GHz 135 16.06 139.83 16.08 139.74 0.12 0.33 0.80 100
20260706 23:20:00   HIMAWARI9 IR 135 16.08 139.95 16.12 139.82 0.15 0.42 0.20 100
20260706 23:20:00   HIMAWARI9 SWIR 135 16.06 139.92 16.09 139.79 0.15 0.43 0.20 ***
20260706 22:03:23   SSMIS-16 89-92GHz 135 16.08 140.25 16.02 140.46 0.11 0.32 0.70 93
20260706 20:36:22   SSMIS-17 89-92GHz 136 15.94 140.55 15.96 140.47 0.10 0.29 0.80 100
20260706 20:30:00 * HIMAWARI9 IR 135 15.94 140.57 15.96 140.47 0.09 0.26 0.30 100
20260706 20:30:00   HIMAWARI9 SWIR 135 15.89 140.57 15.91 140.47 0.19 0.55 0.30 ***
20260706 17:30:00 * HIMAWARI9 IR 140 15.78 141.18 15.82 141.05 0.08 0.24 0.30 100
20260706 17:30:00   HIMAWARI9 SWIR 140 15.23 140.82 15.27 140.69 0.31 0.89 0.10 ***
20260706 14:10:00 * HIMAWARI9 IR 140 15.64 142.12 15.71 141.89 0.09 0.26 0.40 100
20260706 14:10:00   HIMAWARI9 SWIR 140 15.62 142.14 15.69 141.92 1.06 3.00 0.40 ***
20260706 11:59:54   GMI 37GHz 145 15.36 142.68 15.36 142.68 0.13 0.35 0.20 ***
20260706 11:59:54   GMI 89-92GHz 145 15.41 142.68 15.41 142.68 0.10 0.28 0.30 100
20260706 11:55:00   Metop-C ASCAT 145 *** *** *** *** *** *** *** ***
20260706 11:30:00 * HIMAWARI9 IR 145 15.35 142.84 15.39 142.73 0.09 0.26 0.40 100
20260706 11:30:00   HIMAWARI9 SWIR 145 15.32 142.84 15.36 142.73 1.17 3.32 0.40 ***
20260706 11:29:30   Metop-A ASCAT 145 14.92 142.79 14.96 142.68 0.24 0.68 *** ***
20260706 08:30:00   HIMAWARI9 IR 145 15.07 143.42 15.11 143.31 0.10 0.28 0.40 100
20260706 08:30:00   HIMAWARI9 SWIR 145 15.02 143.42 15.06 143.31 0.12 0.34 0.40 ***
20260706 08:01:39 * SSMIS-17 89-92GHz 145 14.99 143.58 15.07 143.37 0.10 0.27 0.30 100
20260706 05:30:00 * HIMAWARI9 IR 148 14.82 144.04 14.87 143.96 0.08 0.23 0.40 100
20260706 05:30:00   HIMAWARI9 SWIR 148 14.77 144.07 14.82 143.98 0.11 0.31 0.30 ***
20260706 04:21:20   AMSR2 37GHz 149 *** *** *** *** 0.17 0.47 5.00 ***
20260706 04:21:20   AMSR2 89-92GHz 149 *** *** *** *** 0.13 0.36 0.40 48
20260706 02:30:00   HIMAWARI9 IR 150 14.52 144.58 14.57 144.50 0.09 0.26 0.40 100
20260706 02:30:00 * HIMAWARI9 SWIR 150 14.52 144.55 14.57 144.47 0.07 0.19 0.40 ***
20260705 23:30:00 * HIMAWARI9 IR 152 14.27 145.08 14.29 144.99 0.09 0.24 0.40 100
20260705 23:30:00   HIMAWARI9 SWIR 152 14.22 145.05 14.24 144.96 0.09 0.25 0.40 ***
20260705 22:40:00   Metop-A ASCAT 153 *** *** *** *** *** *** *** ***
20260705 20:50:57   SSMIS-17 89-92GHz 155 14.14 145.48 14.15 145.45 0.09 0.26 0.40 100
20260705 20:10:00 * HIMAWARI9 IR 155 14.07 145.68 14.11 145.53 0.09 0.24 0.40 100
20260705 20:10:00   HIMAWARI9 SWIR 155 14.07 145.65 14.11 145.50 0.14 0.40 0.40 ***
20260705 18:29:44   SSMIS-18 89-92GHz 155 14.11 145.96 14.09 146.05 0.10 0.27 0.40 100
20260705 17:30:00 * HIMAWARI9 IR 155 13.90 146.13 13.92 146.06 0.08 0.22 0.40 100
20260705 17:30:00   HIMAWARI9 SWIR 155 13.87 146.10 13.90 146.03 0.24 0.68 0.70 ***
20260705 15:52:03   AMSR2 37GHz 155 13.80 146.41 13.75 146.52 0.11 0.31 0.30 ***
20260705 15:52:03   AMSR2 89-92GHz 155 13.75 146.35 13.70 146.47 0.09 0.25 0.40 100
20260705 14:30:00 * HIMAWARI9 IR 155 13.70 146.48 13.72 146.42 0.08 0.24 0.40 100
20260705 14:30:00   HIMAWARI9 SWIR 155 13.67 146.48 13.70 146.42 0.20 0.58 0.40 ***
20260705 13:35:30   Metop-A ASCAT 155 *** *** *** *** *** *** *** ***
20260705 11:30:00 * HIMAWARI9 IR 146 13.67 147.00 13.69 146.90 0.08 0.24 0.40 100
20260705 11:30:00   HIMAWARI9 SWIR 146 13.67 147.00 13.69 146.90 0.25 0.71 0.80 ***
20260705 08:30:00 * HIMAWARI9 IR 145 13.57 147.63 13.59 147.53 0.08 0.23 0.50 100
20260705 08:30:00   HIMAWARI9 SWIR 145 13.54 147.63 13.57 147.53 0.18 0.50 0.50 ***
20260705 08:15:03   SSMIS-17 89-92GHz 145 13.50 147.73 13.54 147.58 0.10 0.27 0.40 100
20260705 05:53:58   SSMIS-18 89-92GHz 135 13.34 148.07 13.35 148.06 0.10 0.27 0.40 100
20260705 05:30:00 * HIMAWARI9 IR 135 13.35 148.15 13.39 148.08 0.07 0.20 0.50 100
20260705 05:30:00   HIMAWARI9 SWIR 135 13.32 148.12 13.36 148.06 0.15 0.42 0.40 ***
20260705 03:37:42   AMSR2 37GHz 135 13.18 148.52 13.13 148.60 0.10 0.29 0.30 ***
20260705 03:37:42   AMSR2 89-92GHz 135 13.28 148.52 13.23 148.60 0.10 0.27 0.50 100
20260705 02:30:00 * HIMAWARI9 IR 135 13.07 148.62 13.11 148.55 0.08 0.23 0.50 100
20260705 02:30:00   HIMAWARI9 SWIR 135 13.07 148.59 13.11 148.53 0.10 0.28 0.50 ***
20260704 23:30:00   HIMAWARI9 IR 135 12.75 148.93 12.76 148.87 0.10 0.27 0.40 100
20260704 23:30:00   HIMAWARI9 SWIR 135 12.72 148.90 12.74 148.84 0.12 0.34 0.40 ***
20260704 23:29:30   Metop-C ASCAT 135 *** *** *** *** *** *** *** ***
20260704 23:24:54   GMI 37GHz 135 12.77 148.94 12.79 148.87 0.11 0.32 0.20 ***
20260704 23:24:54 * GMI 89-92GHz 135 12.82 148.94 12.84 148.87 0.09 0.26 0.50 100
20260704 20:50:45 * SSMIS-16 89-92GHz 135 12.84 149.27 12.85 149.25 0.09 0.26 0.40 100
20260704 20:30:00   HIMAWARI9 IR 135 12.74 149.19 12.76 149.13 0.13 0.36 0.40 100
20260704 20:30:00   HIMAWARI9 SWIR 135 12.74 149.17 12.76 149.11 0.25 0.71 0.40 ***
20260704 18:44:07   SSMIS-18 89-92GHz 135 12.75 149.40 12.73 149.49 0.10 0.28 0.40 100
20260704 18:23:30   Metop-C ASCAT 136 *** *** *** *** *** *** *** ***
20260704 17:30:00 * HIMAWARI9 IR 137 12.63 149.55 12.63 149.50 0.08 0.24 0.40 100
20260704 17:30:00   HIMAWARI9 SWIR 137 12.63 149.55 12.63 149.50 0.17 0.49 0.40 ***
20260704 15:09:13   AMSR2 37GHz 139 *** *** *** *** 0.15 0.41 2.60 ***
20260704 15:09:13   AMSR2 89-92GHz 139 *** *** *** *** 0.16 0.45 5.00 0
20260704 14:20:00 * HIMAWARI9 IR 140 12.61 149.84 12.61 149.77 0.07 0.19 0.40 100
20260704 14:20:00   HIMAWARI9 SWIR 140 12.61 149.84 12.61 149.77 0.43 1.21 0.40 ***
20260704 11:49:54   GMI 37GHz 143 12.57 150.28 12.57 150.26 0.12 0.34 0.20 ***
20260704 11:49:54   GMI 89-92GHz 143 12.62 150.28 12.62 150.26 0.09 0.26 0.40 100
20260704 11:30:00 * HIMAWARI9 IR 143 12.58 150.26 12.60 150.21 0.07 0.21 0.40 100
20260704 11:30:00   HIMAWARI9 SWIR 143 12.58 150.26 12.60 150.21 0.44 1.26 0.40 ***
20260704 10:56:30   Metop-C ASCAT 143 12.65 150.36 12.68 150.26 0.21 0.59 *** ***
20260704 10:29:30   Metop-A ASCAT 144 12.64 150.35 12.59 150.50 0.20 0.55 *** ***
20260704 08:30:00 * HIMAWARI9 IR 145 12.51 150.63 12.52 150.58 0.07 0.19 0.40 100
20260704 08:30:00   HIMAWARI9 SWIR 145 13.01 151.32 13.02 151.27 0.79 2.24 0.20 ***
20260704 06:07:38   SSMIS-18 89-92GHz 140 12.42 150.79 12.41 150.80 0.10 0.28 0.30 100
20260704 05:30:00 * HIMAWARI9 IR 140 12.46 150.88 12.46 150.82 0.08 0.23 0.40 100
20260704 05:30:00   HIMAWARI9 SWIR 140 12.46 150.88 12.46 150.82 0.13 0.38 0.30 ***
20260704 02:54:37   AMSR2 37GHz 140 12.50 151.21 12.50 151.20 0.10 0.29 0.20 ***
20260704 02:54:37   AMSR2 89-92GHz 140 12.55 151.21 12.55 151.20 0.09 0.26 0.40 100
20260704 02:43:00   Metop-A ASCAT 140 *** *** *** *** *** *** *** ***
20260704 02:30:00 * HIMAWARI9 IR 140 12.48 151.20 12.48 151.14 0.08 0.22 0.40 100
20260704 02:30:00   HIMAWARI9 SWIR 140 12.50 151.20 12.50 151.14 0.14 0.39 0.40 ***
20260703 23:50:30   Metop-C ASCAT 141 12.60 151.41 12.59 151.39 0.21 0.59 *** ***
20260703 23:30:00 * HIMAWARI9 IR 141 12.50 151.45 12.48 151.39 0.08 0.24 0.30 100
20260703 23:30:00   HIMAWARI9 SWIR 141 12.50 151.45 12.48 151.39 0.18 0.51 0.30 ***
20260703 23:23:30   Metop-A ASCAT 141 12.60 151.42 12.58 151.34 0.20 0.57 *** ***
20260703 21:04:28 * SSMIS-16 89-92GHz 140 12.65 151.74 12.65 151.75 0.09 0.25 0.40 100
20260703 20:30:00   HIMAWARI9 IR 140 12.55 151.85 12.53 151.79 0.12 0.35 0.40 100
20260703 20:30:00   HIMAWARI9 SWIR 140 12.60 151.82 12.58 151.77 0.29 0.81 0.30 ***
20260703 19:38:44   SSMIS-17 89-92GHz 140 12.70 151.99 12.65 151.83 0.11 0.32 0.40 100
20260703 17:30:00 * HIMAWARI9 IR 129 12.63 152.25 12.62 152.18 0.11 0.32 0.40 100
20260703 17:30:00   HIMAWARI9 SWIR 129 12.63 152.25 12.62 152.18 0.48 1.34 0.40 ***
20260703 16:04:29   AMSR2 37GHz 126 *** *** *** *** 0.17 0.47 5.00 ***
20260703 14:30:00 * HIMAWARI9 IR 125 12.65 152.66 12.64 152.58 0.16 0.45 0.30 100
20260703 14:30:00   HIMAWARI9 SWIR 125 12.65 152.71 12.64 152.64 0.39 1.12 0.40 ***
20260703 12:34:55 * GMI 37GHz 112 12.75 152.97 12.76 153.06 0.11 0.32 0.30 ***
20260703 12:34:55   GMI 89-92GHz 112 12.75 153.07 12.76 153.16 0.12 0.33 0.60 100
20260703 11:30:00   HIMAWARI9 IR 110 12.65 153.08 12.64 152.99 0.12 0.34 0.40 100
20260703 11:30:00   HIMAWARI9 SWIR 110 12.65 153.18 12.64 153.09 0.18 0.50 0.50 ***
20260703 11:17:30   Metop-C ASCAT 110 *** *** *** *** *** *** *** ***
20260703 10:50:30   Metop-A ASCAT 109 12.50 153.33 12.48 153.12 0.20 0.58 *** ***
20260703 08:30:00 * HIMAWARI9 IR 105 12.85 153.51 12.84 153.42 0.12 0.34 0.40 100
20260703 08:30:00   HIMAWARI9 SWIR 105 12.58 153.92 12.57 153.83 2.96 8.38 0.10 ***
20260703 07:02:36   SSMIS-17 89-92GHz 98 12.85 154.00 12.87 154.19 0.10 0.29 0.60 100
20260703 06:22:19   SSMIS-18 89-92GHz 97 *** *** *** *** 0.11 0.32 0.70 100
20260703 05:30:00 * HIMAWARI9 IR 95 12.75 154.17 12.77 154.07 0.10 0.27 0.20 100
20260703 05:30:00   HIMAWARI9 SWIR 95 12.75 154.14 12.77 154.05 0.21 0.59 0.20 ***
20260703 02:30:00   HIMAWARI9 IR 90 12.78 154.78 12.79 154.69 0.15 0.42 0.20 100
20260703 02:30:00 * HIMAWARI9 SWIR 90 12.80 154.75 12.82 154.66 0.13 0.38 0.20 ***
20260702 23:20:00   HIMAWARI9 IR 75 12.85 155.35 12.86 155.20 0.24 0.68 0.20 50
20260702 23:20:00   HIMAWARI9 SWIR 75 12.37 155.60 12.38 155.46 0.45 1.28 0.10 ***
20260702 23:14:54   GMI 37GHz 74 12.72 155.39 12.73 155.23 0.10 0.27 0.40 ***
20260702 23:14:54 * GMI 89-92GHz 74 12.82 155.29 12.83 155.13 0.09 0.26 0.70 100
20260702 22:28:00   Metop-C ASCAT 73 *** *** *** *** *** *** *** ***
20260702 22:04:00   Metop-A ASCAT 72 *** *** *** *** *** *** *** ***
20260702 20:10:00   HIMAWARI9 IR 70 12.64 156.18 12.65 156.00 0.62 1.74 0.40 48
20260702 20:10:00   HIMAWARI9 SWIR 70 12.66 156.18 12.67 156.00 3.32 9.40 0.40 ***
20260702 19:52:58 * SSMIS-17 89-92GHz 70 12.82 156.18 12.84 155.94 0.12 0.33 0.50 94
20260702 17:31:49 * SSMIS-18 89-92GHz 59 12.64 156.63 12.66 156.52 0.13 0.36 1.10 100
20260702 17:30:00   HIMAWARI9 IR 59 12.74 156.81 12.76 156.70 1.01 2.86 0.10 51
20260702 17:30:00   HIMAWARI9 SWIR 59 12.51 157.09 12.54 156.98 0.84 2.39 0.10 ***
20260702 15:21:21 * AMSR2 37GHz 55 12.42 157.12 12.40 157.21 0.10 0.29 0.50 ***
20260702 15:21:21   AMSR2 89-92GHz 55 12.42 157.07 12.40 157.16 0.22 0.63 0.80 66
20260702 14:20:00   HIMAWARI9 IR 55 12.36 157.60 12.39 157.45 0.72 2.04 0.80 42
20260702 14:20:00   HIMAWARI9 SWIR 55 12.03 158.12 12.07 157.96 0.84 2.37 0.30 ***
20260702 11:30:00   HIMAWARI9 IR 52 12.33 160.07 12.38 159.98 3.04 8.60 0.60 24
20260702 11:30:00 * HIMAWARI9 SWIR 52 11.90 158.25 11.95 158.17 0.54 1.53 0.10 ***
20260702 08:41:28 * SSMIS-16 89-92GHz 50 11.98 158.20 12.01 158.14 0.15 0.44 1.10 81
20260702 08:30:00   HIMAWARI9 IR 50 11.57 158.43 11.62 158.35 3.36 9.49 0.20 0
20260702 08:30:00   HIMAWARI9 SWIR 50 11.19 158.66 11.24 158.58 0.96 2.72 0.10 ***
20260702 07:16:19 * SSMIS-17 89-92GHz 54 12.01 158.70 11.88 158.91 0.25 0.70 1.00 57
20260702 05:30:00   HIMAWARI9 IR 52 10.34 160.97 10.41 160.87 3.36 9.49 0.10 4
20260702 05:30:00   HIMAWARI9 SWIR 52 10.91 157.94 10.98 157.84 3.36 9.49 0.10 ***
20260702 04:55:24   SSMIS-18 89-92GHz 52 *** *** *** *** 0.40 1.13 5.00 0
20260702 03:06:22   AMSR2 37GHz 50 *** *** *** *** 0.40 1.13 0.20 ***
20260702 03:06:22 * AMSR2 89-92GHz 50 11.35 159.51 11.33 159.53 0.24 0.68 0.30 59
20260702 02:30:00   HIMAWARI9 IR 50 9.48 160.88 9.54 160.78 3.36 9.49 0.20 11
20260702 02:30:00   HIMAWARI9 SWIR 50 11.08 158.97 11.14 158.87 1.04 2.93 0.70 ***
20260701 23:20:00   HIMAWARI9 IR 44 9.29 161.38 9.33 161.24 1.91 5.41 1.00 13
20260701 23:20:00 * HIMAWARI9 SWIR 44 10.74 159.87 10.78 159.74 0.32 0.91 0.20 ***
20260701 20:20:00   HIMAWARI9 IR 40 8.80 160.60 8.84 160.47 3.36 9.49 0.40 9
20260701 20:20:00 * HIMAWARI9 SWIR 40 8.80 160.58 8.84 160.44 1.68 4.75 1.00 ***
20260701 17:46:21 * SSMIS-18 89-92GHz 38 *** *** *** *** 0.59 1.67 2.40 1
20260701 17:20:00   HIMAWARI9 IR 37 8.98 160.05 9.06 159.95 3.36 9.49 0.30 3
20260701 17:20:00   HIMAWARI9 SWIR 37 10.43 160.28 10.51 160.18 3.25 9.18 0.30 ***
20260701 14:39:02   AMSR2 37GHz 37 10.02 162.24 10.06 162.18 0.59 1.68 0.20 ***
20260701 14:39:02   AMSR2 89-92GHz 37 10.12 161.93 10.16 161.88 0.49 1.40 1.10 2
20260701 14:30:00 * HIMAWARI9 SWIR 35 8.28 161.05 8.34 160.98 0.29 0.83 0.10 ***
20260701 14:20:00   HIMAWARI9 IR 35 8.33 161.33 8.40 161.23 1.92 5.43 0.10 49
20260701 12:24:55   GMI 37GHz 33 9.43 161.99 9.38 162.05 0.48 1.36 0.80 ***
20260701 12:24:55 * GMI 89-92GHz 33 10.13 162.50 10.08 162.56 0.40 1.14 0.60 9
20260701 11:30:00   HIMAWARI9 IR 32 8.28 160.88 8.33 160.82 3.36 9.49 0.10 9
20260701 11:30:00   HIMAWARI9 SWIR 32 8.36 160.80 8.41 160.74 0.87 2.46 0.30 ***
20260701 10:17:30 * Metop-C ASCAT 33 9.98 162.57 9.85 162.72 0.16 0.45 *** ***
20260701 09:50:30   Metop-A ASCAT 33 *** *** *** *** *** *** *** ***
20260701 08:20:00   HIMAWARI9 IR 30 7.68 161.76 7.74 161.68 0.66 1.86 0.30 44
20260701 08:20:00   HIMAWARI9 SWIR 30 7.65 161.81 7.72 161.73 0.36 1.03 0.40 ***
20260701 05:30:00   HIMAWARI9 IR 26 7.61 162.49 7.65 162.47 3.36 9.49 0.30 0
20260701 05:30:00   HIMAWARI9 SWIR 26 7.86 163.45 7.90 163.43 3.36 9.49 0.60 ***
20260701 05:08:50 * SSMIS-18 89-92GHz 26 *** *** *** *** 0.32 0.91 0.90 9
20260701 02:30:00   HIMAWARI9 IR 25 7.57 163.72 7.61 163.70 3.36 9.49 0.70 8
20260701 02:30:00   HIMAWARI9 SWIR 25 8.12 163.52 8.16 163.50 1.70 4.79 0.10 ***
20260701 02:22:44   AMSR2 89-92GHz 26 *** *** *** *** 0.45 1.28 2.80 4
20260701 02:22:44 * AMSR2 37GHz 26 *** *** *** *** 0.41 1.16 3.10 ***
20260630 23:11:30   Metop-C ASCAT 25 *** *** *** *** *** *** *** ***
20260630 22:46:00   Metop-A ASCAT 25 *** *** *** *** *** *** *** ***

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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