-- Link to ARCHER Track page --   -- Link to active time series --

Geo IR 85-92GHz 183-190GHz
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
20261017 18:59:17   SSMIS-18 89-92GHz 120 13.13 144.54 13.10 144.73 0.13 0.37 0.10 87
20261017 17:30:00   HIMAWARI9 IR 120 12.98 144.87 13.00 144.77 0.20 0.55 0.10 98
20261017 17:01:29 * GMI 89-92GHz 120 13.02 145.04 13.05 144.84 0.10 0.29 0.10 100
20261017 16:18:48   ATMS-N20 183GHz 120 12.94 145.18 12.90 145.45 0.14 0.41 1.50 ***
20261017 15:22:11   ATMS-N21 183GHz 120 12.86 145.32 12.85 145.40 0.18 0.51 1.30 ***
20261017 14:30:00   HIMAWARI9 IR 120 12.83 145.70 12.85 145.60 0.56 1.59 0.20 8
20261017 13:05:00   TMS-06 183GHz 120 12.63 145.83 12.60 146.05 0.17 0.49 1.60 ***
20261017 12:42:00   TMS-09 183GHz 120 12.57 145.96 12.55 146.10 0.17 0.47 4.00 ***
20261017 11:30:00   HIMAWARI9 IR 119 12.60 146.15 12.61 146.05 0.21 0.59 0.10 65
20261017 10:33:57 * MHS 183GHz 117 12.81 146.22 12.84 145.93 0.12 0.33 0.20 ***
20261017 08:30:00   HIMAWARI9 IR 115 12.53 146.85 12.54 146.75 0.20 0.57 0.10 91
20261017 06:23:20   SSMIS-18 89-92GHz 90 12.39 147.22 12.39 147.30 0.13 0.37 0.10 76
20261017 05:30:00   HIMAWARI9 IR 89 12.40 147.30 12.41 147.19 0.59 1.66 0.10 8
20261017 03:44:56 * ATMS-N20 183GHz 86 12.48 147.70 12.47 147.86 0.13 0.36 0.20 ***
20261017 02:48:27   ATMS-N21 183GHz 85 12.49 147.78 12.50 147.74 0.14 0.41 0.20 ***
20261017 02:30:00   HIMAWARI9 IR 85 10.96 148.56 10.97 148.45 0.67 1.89 0.30 1
20261017 00:58:00   TMS-09 183GHz 81 *** *** *** *** 0.19 0.55 5.00 ***
20261016 23:54:19 * MHS 183GHz 79 12.42 148.58 12.43 148.56 0.19 0.54 2.40 ***
20261016 23:48:00   TMS-06 183GHz 79 12.56 148.76 12.58 148.71 0.19 0.55 2.50 ***
20261016 23:30:00   HIMAWARI9 IR 79 10.68 150.46 10.72 150.33 0.44 1.24 0.70 18
20261016 20:30:00   HIMAWARI9 IR 75 12.03 149.47 12.07 149.34 0.24 0.69 0.10 67
20261016 17:30:00   HIMAWARI9 IR 64 11.82 150.18 11.87 150.08 1.47 4.15 0.20 18
20261016 15:41:10 * ATMS-N21 183GHz 61 11.74 150.61 11.68 150.74 0.17 0.48 0.40 ***
20261016 14:57:12   ATMS-N20 183GHz 60 11.55 150.71 11.55 150.70 0.24 0.66 1.00 ***
20261016 14:20:00   HIMAWARI9 IR 60 11.57 151.00 11.62 150.87 3.04 8.60 0.70 6
20261016 11:52:00   TMS-06 183GHz 49 *** *** *** *** 0.99 2.80 0.40 ***
20261016 11:30:00   HIMAWARI9 IR 49 10.88 151.80 10.88 151.66 1.23 3.48 0.20 3
20261016 11:26:00   TMS-09 183GHz 49 *** *** *** *** 0.22 0.63 1.30 ***
20261016 10:32:46   MHS 183GHz 48 11.29 151.30 11.28 150.89 0.43 1.22 0.60 ***
20261016 08:30:00   HIMAWARI9 IR 47 10.75 152.17 10.75 152.03 3.36 9.49 0.10 27
20261016 07:10:16   SSMIS-17 89-92GHz 45 11.24 152.68 11.25 153.01 0.12 0.35 0.60 100
20261016 06:11:29   GMI 89-92GHz 50 10.86 152.53 10.86 152.58 0.08 0.22 1.20 100
20261016 05:30:00   HIMAWARI9 IR 44 11.10 155.54 11.10 155.40 1.69 4.77 1.00 10
20261016 03:06:43   ATMS-N21 183GHz 42 *** *** *** *** 0.69 1.94 2.00 ***
20261016 02:30:00 * HIMAWARI9 IR 42 12.05 156.25 12.05 156.11 0.39 1.12 1.00 45
20261016 02:22:51   ATMS-N20 183GHz 41 10.68 154.06 10.67 153.88 0.99 2.78 5.00 ***
20261016 01:21:00   TMS-09 183GHz 44 12.15 155.75 12.16 156.13 0.78 2.20 3.90 ***
20261016 00:09:00   TMS-06 183GHz 43 *** *** *** *** 0.89 2.51 3.10 ***
20261015 23:30:00   HIMAWARI9 IR 40 12.10 156.61 12.10 156.47 1.00 2.83 0.40 12
20261015 22:14:08   MHS 183GHz 41 11.45 156.14 11.46 156.49 0.75 2.11 2.50 ***
20261015 20:39:39   SSMIS-16 89-92GHz 38 *** *** *** *** 0.48 1.36 3.10 4
20261015 20:30:00   HIMAWARI9 IR 40 9.78 156.73 9.78 156.59 0.72 2.03 0.20 50
20261015 20:01:19   SSMIS-17 89-92GHz 38 *** *** *** *** 0.34 0.95 3.30 18
20261015 17:47:12   SSMIS-18 89-92GHz 37 10.07 156.25 10.09 156.22 0.47 1.33 2.90 5
20261015 17:30:00   HIMAWARI9 IR 37 9.55 157.08 9.60 157.00 3.36 9.49 0.80 7
20261015 16:51:30   GMI 89-92GHz 37 11.33 156.65 11.42 156.48 0.47 1.32 0.70 7
20261015 15:16:00   ATMS-N20 183GHz 36 9.91 156.77 9.88 156.81 0.75 2.13 2.70 ***
20261015 14:30:00   HIMAWARI9 IR 36 11.08 158.96 11.12 158.89 3.36 9.49 0.70 2
20261015 14:18:43   ATMS-N21 183GHz 35 11.12 156.81 11.18 156.70 0.90 2.55 5.00 ***
20261015 12:13:00   TMS-06 183GHz 35 *** *** *** *** 0.72 2.04 1.80 ***
20261015 11:48:00   TMS-09 183GHz 31 11.54 156.89 11.54 156.85 0.85 2.40 1.60 ***
20261015 11:30:00   HIMAWARI9 IR 31 10.63 157.15 10.64 157.07 0.99 2.80 0.10 1
20261015 09:33:47   MHS 183GHz 30 *** *** *** *** 0.81 2.29 2.50 ***
20261015 08:30:00   HIMAWARI9 IR 30 10.83 159.91 10.84 159.83 0.79 2.22 0.80 6
20261015 08:02:12   SSMIS-16 89-92GHz 30 *** *** *** *** 0.43 1.22 5.00 0
20261015 07:24:14 * SSMIS-17 89-92GHz 30 10.31 158.49 10.29 158.72 0.41 1.15 1.70 5
20261015 05:30:00   HIMAWARI9 IR 30 9.89 160.16 9.90 160.08 2.86 8.09 0.50 10
20261015 05:11:34   SSMIS-18 89-92GHz 30 10.42 158.86 10.45 158.73 0.63 1.78 1.70 0
20261015 03:25:02   ATMS-N21 183GHz 30 *** *** *** *** 0.68 1.93 2.80 ***
20261015 02:41:12   ATMS-N20 183GHz 30 *** *** *** *** 0.59 1.67 1.90 ***
20261015 02:30:00   HIMAWARI9 IR 30 11.96 160.62 11.98 160.53 3.36 9.49 0.10 2
20261015 01:43:00   TMS-09 183GHz 30 *** *** *** *** 0.63 1.78 5.00 ***
20261014 23:30:00   HIMAWARI9 IR 30 9.13 160.04 9.15 159.94 3.36 9.49 1.00 9
20261014 22:33:15   MHS 183GHz 30 11.61 160.00 11.68 159.74 0.90 2.53 2.80 ***
20261014 20:53:26   SSMIS-16 89-92GHz 30 10.59 160.11 10.60 160.09 0.42 1.18 1.80 3
20261014 20:30:00   HIMAWARI9 IR 30 9.67 161.29 9.69 161.19 3.36 9.49 1.00 0
20261014 18:01:59 * SSMIS-is 89-92GHz 30 10.23 160.11 10.23 160.11 0.37 1.05 3.50 1
20261014 18:01:51   SSMIS-18 89-92GHz 30 10.23 160.11 10.23 160.11 0.39 1.09 3.50 1
20261014 17:31:29   GMI 89-92GHz 30 *** *** *** *** 0.23 0.66 0.80 69
20261014 17:30:00   HIMAWARI9 IR 30 9.64 161.72 9.71 161.66 3.36 9.49 0.10 0
20261014 15:34:16   ATMS-N20 183GHz 30 *** *** *** *** 0.55 1.56 2.50 ***
20261014 14:38:27   ATMS-N21 183GHz 30 10.47 160.88 10.52 160.84 0.96 2.71 1.40 ***
20261014 14:30:00   HIMAWARI9 IR 30 9.57 161.78 9.63 161.72 3.36 9.49 0.50 14
20261014 12:11:00   TMS-09 183GHz 30 *** *** *** *** 0.71 2.00 1.40 ***

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: ARCHER Track page

This page automatically updates every 5 minutes