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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
20260627 21:59:30   Metop-A ASCAT 40 *** *** *** *** *** *** *** ***
20260627 20:37:41   SSMIS-16 89-92GHz 41 *** *** *** *** 0.62 1.74 2.50 0
20260627 20:30:00   HIMAWARI9 IR 41 45.32 159.05 45.49 159.43 3.36 9.49 0.70 0
20260627 20:30:00 * HIMAWARI9 SWIR 41 45.42 160.53 45.59 160.91 0.50 1.41 0.10 ***
20260627 19:15:08 * SSMIS-17 89-92GHz 41 *** *** *** *** 0.31 0.87 5.00 0
20260627 17:30:00   HIMAWARI9 IR 42 44.32 158.54 44.49 158.91 1.48 4.18 0.50 1
20260627 17:30:00   HIMAWARI9 SWIR 42 44.29 158.64 44.47 159.01 1.00 2.84 0.20 ***
20260627 15:19:55   GMI 37GHz 43 *** *** *** *** 0.17 0.48 5.00 ***
20260627 15:19:55   GMI 89-92GHz 43 *** *** *** *** 0.27 0.75 5.00 0
20260627 14:55:12   AMSR2 37GHz 43 *** *** *** *** 0.38 1.07 5.00 ***
20260627 14:55:12 * AMSR2 89-92GHz 43 *** *** *** *** 0.13 0.37 0.50 37
20260627 14:20:00   HIMAWARI9 IR 43 39.42 154.84 39.65 155.34 0.42 1.18 0.10 54
20260627 14:20:00   HIMAWARI9 SWIR 43 39.39 155.00 39.63 155.50 1.45 4.10 0.10 ***
20260627 11:30:00   HIMAWARI9 IR 45 38.73 152.92 38.90 153.36 1.67 4.71 0.40 22
20260627 11:30:00 * HIMAWARI9 SWIR 45 42.28 153.55 42.45 153.99 0.45 1.26 1.00 ***
20260627 10:08:30   Metop-C ASCAT 45 39.75 152.30 39.36 151.30 1.76 4.98 *** ***
20260627 09:41:30   Metop-A ASCAT 45 39.40 151.52 39.16 150.91 0.46 1.29 *** ***
20260627 08:30:00   HIMAWARI9 IR 45 38.54 150.93 38.71 151.36 1.80 5.08 0.80 10
20260627 08:30:00   HIMAWARI9 SWIR 45 38.86 150.12 39.03 150.56 3.36 9.49 0.60 ***
20260627 08:17:35 * SSMIS-16 89-92GHz 45 39.06 151.26 39.31 151.88 0.25 0.72 1.20 7
20260627 06:55:03 * SSMIS-17 89-92GHz 45 38.74 150.15 38.42 149.34 0.22 0.61 3.70 8
20260627 06:12:59   SSMIS-18 89-92GHz 45 38.40 149.00 38.32 148.81 0.23 0.65 0.80 6
20260627 05:30:00   HIMAWARI9 IR 45 37.33 148.51 37.50 148.95 3.36 9.49 0.30 5
20260627 05:30:00   HIMAWARI9 SWIR 45 37.75 147.97 37.92 148.41 1.04 2.93 0.20 ***
20260627 02:55:33 * AMSR2 37GHz 45 *** *** *** *** 0.17 0.48 1.00 ***
20260627 02:55:33   AMSR2 89-92GHz 45 37.17 146.25 37.20 146.32 0.51 1.43 0.30 4
20260627 02:30:00   HIMAWARI9 IR 45 38.63 143.68 38.80 144.12 2.01 5.67 0.20 6
20260627 02:30:00   HIMAWARI9 SWIR 45 37.78 144.69 37.95 145.12 3.36 9.49 0.20 ***
20260627 00:04:00   Metop-A ASCAT 45 *** *** *** *** *** *** *** ***
20260627 00:02:30   Metop-A ASCAT 45 *** *** *** *** *** *** *** ***
20260626 23:30:00   HIMAWARI9 IR 45 37.39 140.55 37.59 141.00 1.46 4.12 0.80 10
20260626 23:30:00   HIMAWARI9 SWIR 45 37.31 139.68 37.51 140.13 0.50 1.42 0.10 ***
20260626 22:35:16 * SSMIS-16 89-92GHz 45 *** *** *** *** 0.35 1.00 2.40 19
20260626 21:13:10   SSMIS-17 89-92GHz 45 *** *** *** *** 0.61 1.72 2.70 0
20260626 20:30:00   HIMAWARI9 IR 45 36.31 137.57 36.51 138.02 3.36 9.49 0.30 1
20260626 20:30:00 * HIMAWARI9 SWIR 45 36.14 137.39 36.34 137.84 0.47 1.33 0.50 ***
20260626 18:51:06   SSMIS-18 89-92GHz 35 34.49 141.14 34.15 140.38 0.42 1.20 1.90 4
20260626 17:30:00   HIMAWARI9 IR 35 33.05 141.12 33.23 141.24 0.57 1.61 0.10 43
20260626 17:30:00 * HIMAWARI9 SWIR 35 32.75 140.82 32.93 140.94 0.36 1.01 0.50 ***
20260626 15:59:54   GMI 37GHz 35 32.44 138.96 32.08 138.73 0.44 1.24 2.40 ***
20260626 15:59:54 * GMI 89-92GHz 35 *** *** *** *** 0.37 1.03 5.00 0
20260626 14:20:00   HIMAWARI9 IR 35 31.49 139.20 31.73 139.35 1.23 3.47 0.30 24
20260626 14:20:00   HIMAWARI9 SWIR 35 31.51 139.23 31.75 139.38 0.42 1.19 0.30 ***
20260626 11:41:30   Metop-A ASCAT 45 31.29 136.65 31.46 136.72 3.36 9.49 *** ***
20260626 11:30:00   HIMAWARI9 IR 45 29.76 138.22 30.05 138.34 3.36 9.49 0.10 3
20260626 11:30:00 * HIMAWARI9 SWIR 45 29.76 138.22 30.05 138.34 0.45 1.26 0.20 ***
20260626 10:10:41   SSMIS-16 89-92GHz 45 30.60 135.31 29.93 135.02 0.51 1.45 0.70 3
20260626 08:48:28 * SSMIS-17 89-92GHz 45 29.55 135.40 29.66 135.44 0.36 1.02 0.30 8
20260626 08:30:00   HIMAWARI9 IR 45 29.40 136.66 29.69 136.78 3.36 9.49 0.20 14
20260626 08:30:00   HIMAWARI9 SWIR 45 27.93 136.66 28.21 136.78 0.49 1.38 0.20 ***
20260626 06:25:48 * SSMIS-18 89-92GHz 55 27.99 134.59 27.74 134.49 0.30 0.85 0.30 41
20260626 05:30:00   HIMAWARI9 IR 55 26.43 135.66 26.72 135.74 1.84 5.19 0.40 9
20260626 05:30:00   HIMAWARI9 SWIR 55 26.61 135.15 26.89 135.23 2.03 5.74 0.30 ***
20260626 03:48:13   AMSR2 37GHz 55 *** *** *** *** 0.46 1.30 0.30 ***
20260626 03:48:13 * AMSR2 89-92GHz 55 *** *** *** *** 0.23 0.66 0.50 66
20260626 02:30:00   HIMAWARI9 IR 55 25.38 133.24 25.66 133.32 3.36 9.49 0.10 23
20260626 02:30:00   HIMAWARI9 SWIR 55 26.95 131.68 27.23 131.76 0.50 1.41 0.90 ***
20260626 02:29:55   GMI 37GHz 53 *** *** *** *** 0.25 0.70 2.50 ***
20260626 02:29:55   GMI 89-92GHz 53 26.05 134.24 26.33 134.32 0.40 1.12 0.30 15
20260626 00:26:30   Metop-A ASCAT 51 *** *** *** *** *** *** *** ***
20260625 23:30:00   HIMAWARI9 IR 51 23.35 132.52 23.56 132.48 0.95 2.69 0.60 37
20260625 23:30:00 * HIMAWARI9 SWIR 51 24.15 133.46 24.36 133.42 0.75 2.13 0.10 ***
20260625 21:30:56 * SSMIS-17 89-92GHz 50 23.90 133.99 23.68 134.03 0.22 0.61 0.70 53
20260625 20:00:00   HIMAWARI9 IR 50 22.64 132.08 23.08 132.00 0.57 1.62 0.70 42
20260625 20:00:00   HIMAWARI9 SWIR 50 23.19 133.28 23.63 133.20 3.09 8.73 0.10 ***
20260625 19:09:02   SSMIS-18 89-92GHz 47 23.23 134.34 22.73 134.44 0.28 0.79 1.30 15
20260625 17:30:00   HIMAWARI9 IR 46 21.57 132.94 21.67 132.87 2.66 7.52 0.10 1
20260625 17:30:00   HIMAWARI9 SWIR 46 21.02 135.11 21.12 135.04 0.44 1.25 0.30 ***
20260625 16:51:29 * AMSR2 37GHz 49 21.24 134.60 21.46 134.43 0.26 0.74 1.30 ***
20260625 16:51:29   AMSR2 89-92GHz 49 22.14 134.17 22.36 134.00 0.33 0.93 0.70 19
20260625 14:30:00   HIMAWARI9 IR 45 20.12 135.69 20.22 135.62 3.36 9.49 1.00 8
20260625 14:30:00 * HIMAWARI9 SWIR 45 20.12 135.69 20.22 135.62 1.06 3.00 1.00 ***
20260625 12:25:00   Metop-C ASCAT 46 *** *** *** *** *** *** *** ***
20260625 11:59:30 * Metop-A ASCAT 46 19.99 134.90 19.99 134.90 0.47 1.32 *** ***
20260625 11:30:00   HIMAWARI9 IR 46 20.17 136.55 20.29 136.51 3.36 9.49 1.00 5
20260625 11:30:00   HIMAWARI9 SWIR 46 19.89 136.36 20.02 136.32 2.40 6.79 0.90 ***
20260625 08:30:00 * HIMAWARI9 IR 45 19.92 134.76 20.04 134.72 0.87 2.47 0.20 5
20260625 08:30:00   HIMAWARI9 SWIR 45 20.19 134.84 20.32 134.80 1.12 3.16 0.10 ***
20260625 06:37:23 * SSMIS-18 89-92GHz 42 17.53 135.12 17.37 135.17 0.33 0.92 0.20 3
20260625 05:30:00   HIMAWARI9 IR 41 17.70 135.04 17.86 134.87 3.36 9.49 0.40 1
20260625 05:30:00   HIMAWARI9 SWIR 41 18.35 134.96 18.51 134.79 3.36 9.49 0.10 ***
20260625 04:41:13   AMSR2 37GHz 40 17.82 136.70 18.24 136.24 0.59 1.65 2.10 ***
20260625 04:41:13   AMSR2 89-92GHz 40 18.22 136.91 18.64 136.45 0.59 1.65 3.10 1
20260625 02:30:00   HIMAWARI9 IR 40 16.24 137.39 16.40 137.22 0.78 2.21 0.10 34
20260625 02:30:00 * HIMAWARI9 SWIR 40 16.42 137.74 16.57 137.56 0.49 1.39 0.30 ***
20260624 23:30:00 * HIMAWARI9 IR 36 15.74 137.55 15.81 137.47 0.52 1.47 0.50 32
20260624 23:30:00   HIMAWARI9 SWIR 36 16.34 136.92 16.41 136.84 2.39 6.75 0.20 ***
20260624 20:30:00   HIMAWARI9 IR 35 18.86 139.42 18.92 139.34 3.36 9.49 1.00 3
20260624 20:30:00 * HIMAWARI9 SWIR 35 16.58 138.79 16.65 138.72 0.89 2.53 0.10 ***
20260624 19:25:05 * SSMIS-18 89-92GHz 30 17.82 138.77 17.63 138.99 0.50 1.40 1.80 4
20260624 17:30:00   HIMAWARI9 IR 30 16.58 139.85 16.64 139.75 0.55 1.54 0.50 51
20260624 17:30:00   HIMAWARI9 SWIR 30 16.88 138.41 16.94 138.31 1.65 4.65 0.10 ***
20260624 16:10:02 * AMSR2 37GHz 30 16.15 139.02 16.01 139.25 0.36 1.02 2.20 ***
20260624 16:10:02   AMSR2 89-92GHz 30 16.70 139.02 16.56 139.25 0.58 1.64 1.50 1
20260624 14:30:00   HIMAWARI9 IR 30 16.63 138.89 16.69 138.79 3.36 9.49 0.40 0
20260624 14:30:00   HIMAWARI9 SWIR 30 16.33 138.84 16.39 138.74 0.62 1.76 0.10 ***
20260624 11:30:00 * HIMAWARI9 IR 30 18.18 139.17 18.23 139.08 0.43 1.21 0.80 50
20260624 11:30:00   HIMAWARI9 SWIR 30 16.26 139.59 16.31 139.50 1.73 4.88 0.20 ***
20260624 11:04:00   Metop-C ASCAT 30 *** *** *** *** *** *** *** ***
20260624 08:30:00   HIMAWARI9 IR 30 15.50 138.30 15.55 138.21 3.36 9.49 0.40 6
20260624 08:30:00 * HIMAWARI9 SWIR 30 16.15 139.99 16.20 139.90 0.90 2.55 0.10 ***
20260624 06:50:49 * SSMIS-18 89-92GHz 30 15.54 140.82 15.45 140.98 0.52 1.47 2.00 2
20260624 05:30:00   HIMAWARI9 IR 30 17.05 139.36 17.10 139.27 0.75 2.12 0.10 45
20260624 05:30:00   HIMAWARI9 SWIR 30 15.92 140.51 15.97 140.42 0.96 2.71 0.70 ***
20260624 03:57:09 * AMSR2 37GHz 30 *** *** *** *** 0.31 0.86 1.00 ***
20260624 03:57:09   AMSR2 89-92GHz 30 *** *** *** *** 0.55 1.56 1.40 1
20260624 02:30:00   HIMAWARI9 IR 30 13.75 140.21 13.80 140.12 1.31 3.71 0.20 7
20260624 02:30:00   HIMAWARI9 SWIR 30 14.05 140.80 14.10 140.71 3.36 9.49 0.10 ***
20260623 23:56:30 * Metop-C ASCAT 30 15.23 141.87 15.24 141.86 0.14 0.41 *** ***
20260623 23:30:00   HIMAWARI9 IR 30 13.48 141.30 13.49 141.23 3.36 9.49 0.50 9
20260623 23:30:00 * HIMAWARI9 SWIR 30 13.48 141.33 13.49 141.25 0.47 1.33 0.50 ***
20260623 23:29:30   Metop-A ASCAT 30 *** *** *** *** *** *** *** ***
20260623 20:20:00   HIMAWARI9 IR 30 14.45 140.78 14.47 140.68 3.36 9.49 0.60 5
20260623 20:20:00 * HIMAWARI9 SWIR 30 13.75 140.99 13.77 140.89 1.86 5.26 0.40 ***
20260623 17:30:00   HIMAWARI9 IR 30 13.21 142.09 13.22 142.00 2.26 6.38 0.60 2
20260623 17:30:00 * HIMAWARI9 SWIR 30 13.21 142.09 13.22 142.00 0.63 1.79 0.60 ***
20260623 14:30:00 * HIMAWARI9 SWIR 30 13.53 141.96 13.54 141.87 0.60 1.69 1.00 ***
20260623 14:20:00   HIMAWARI9 IR 30 12.95 142.94 12.96 142.82 3.36 9.49 0.60 0
20260623 11:30:00   HIMAWARI9 IR 36 13.17 143.83 13.17 143.74 0.48 1.37 0.70 1
20260623 11:30:00   HIMAWARI9 SWIR 36 13.44 142.92 13.44 142.84 0.97 2.73 0.90 ***
20260623 11:26:30 * Metop-C ASCAT 36 14.44 143.86 14.44 143.77 0.18 0.52 *** ***
20260623 10:59:30   Metop-A ASCAT 36 14.46 143.83 14.46 143.66 0.27 0.77 *** ***
20260623 08:30:00 * HIMAWARI9 IR 35 13.04 143.94 13.04 143.86 0.82 2.32 0.70 43
20260623 08:30:00   HIMAWARI9 SWIR 35 15.92 143.91 15.92 143.83 3.36 9.49 0.20 ***
20260623 05:30:00 * HIMAWARI9 IR 36 13.77 143.02 13.78 142.96 3.36 9.49 0.70 1
20260623 05:30:00 * HIMAWARI9 SWIR 36 15.15 144.57 15.15 144.51 3.36 9.49 0.20 ***
20260623 03:14:04   AMSR2 37GHz 35 14.41 145.48 14.40 145.50 0.46 1.29 2.10 ***
20260623 03:14:04 * AMSR2 89-92GHz 35 *** *** *** *** 0.42 1.18 1.70 15
20260623 03:07:00   GMI 37GHz 35 14.75 145.70 14.75 145.72 0.51 1.44 1.00 ***
20260623 03:07:00   GMI 89-92GHz 35 14.70 145.60 14.70 145.61 0.42 1.19 1.10 7
20260623 02:30:00   HIMAWARI9 IR 35 15.33 145.08 15.34 145.02 3.36 9.49 0.10 1
20260623 02:30:00   HIMAWARI9 SWIR 35 15.28 144.92 15.29 144.86 1.13 3.19 0.10 ***
20260623 00:17:30   Metop-C ASCAT 35 14.71 145.55 14.70 145.59 3.36 9.49 *** ***
20260622 23:50:30 * Metop-A ASCAT 32 14.55 145.84 14.55 145.82 0.18 0.50 *** ***
20260622 23:30:00   HIMAWARI9 IR 32 16.59 146.06 16.60 145.99 0.95 2.69 0.90 49
20260622 23:30:00   HIMAWARI9 SWIR 32 15.59 146.06 15.60 145.99 1.87 5.30 0.10 ***
20260622 20:35:07 * SSMIS-17 89-92GHz 32 14.70 146.28 14.71 146.22 0.24 0.67 0.70 38
20260622 20:10:00   HIMAWARI9 IR 31 15.02 146.87 15.05 146.75 3.36 9.49 0.10 2
20260622 20:10:00   HIMAWARI9 SWIR 31 15.27 147.03 15.30 146.90 1.22 3.44 0.10 ***
20260622 18:13:03   SSMIS-18 89-92GHz 25 14.43 146.95 14.42 146.98 0.53 1.50 1.40 3
20260622 17:30:00   HIMAWARI9 IR 25 14.92 149.04 14.95 148.93 2.08 5.88 1.00 16
20260622 17:30:00 * HIMAWARI9 SWIR 25 15.55 147.38 15.57 147.28 0.47 1.33 0.20 ***
20260622 16:22:50   AMSR2 37GHz 25 *** *** *** *** 0.21 0.59 0.20 ***
20260622 16:22:50   AMSR2 89-92GHz 25 *** *** *** *** 0.40 1.13 0.40 19
20260622 15:32:00   GMI 37GHz 25 14.02 147.05 13.99 147.17 0.20 0.56 1.60 ***
20260622 15:32:00 * GMI 89-92GHz 25 14.22 147.10 14.19 147.22 0.19 0.55 1.40 61
20260622 14:20:00   HIMAWARI9 IR 25 15.88 148.32 15.92 148.18 3.36 9.49 0.20 11
20260622 14:20:00   HIMAWARI9 SWIR 25 14.93 147.93 14.97 147.79 0.58 1.63 0.30 ***
20260622 13:28:00   Metop-C ASCAT 25 *** *** *** *** *** *** *** ***
20260622 11:44:30   Metop-C ASCAT 25 14.10 147.59 14.10 147.59 0.17 0.49 *** ***
20260622 11:17:30 * Metop-A ASCAT 25 14.10 147.70 14.10 147.70 0.15 0.42 *** ***

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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