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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
20260812 14:30:00   HIMAWARI9 IR 20 36.85 131.44 36.85 131.34 3.36 9.49 0.50 0
20260812 14:30:00 * HIMAWARI9 SWIR 20 37.32 129.96 37.32 129.86 0.82 2.31 0.10 ***
20260812 11:30:00   HIMAWARI9 IR 20 37.15 130.54 37.15 130.43 3.36 9.49 0.20 0
20260812 11:30:00 * HIMAWARI9 SWIR 20 37.50 130.75 37.50 130.65 0.89 2.53 0.10 ***
20260812 08:30:00   HIMAWARI9 IR 20 36.18 133.23 36.18 133.12 3.36 9.49 0.20 2
20260812 08:30:00 * HIMAWARI9 SWIR 20 36.20 133.29 36.20 133.18 1.07 3.02 1.00 ***
20260812 07:03:48   SSMIS-18 89-92GHz 20 35.75 133.60 35.75 133.82 0.44 1.26 0.30 2
20260812 05:00:00   HIMAWARI9 IR 20 36.75 133.86 36.77 133.56 3.36 9.49 0.60 0
20260812 05:00:00   HIMAWARI9 SWIR 20 36.65 131.58 36.67 131.28 0.87 2.45 0.40 ***
20260812 04:46:13 * AMSR2 37GHz 21 37.19 132.76 37.22 132.39 0.37 1.03 2.00 ***
20260812 04:46:13   AMSR2 89-92GHz 21 *** *** *** *** 0.57 1.60 0.30 1
20260812 03:19:55 * GMI 37GHz 22 *** *** *** *** 0.39 1.09 2.00 ***
20260812 03:19:55   GMI 89-92GHz 22 36.02 135.40 36.02 135.50 0.53 1.51 5.00 0
20260812 02:30:00   HIMAWARI9 IR 23 37.18 134.91 37.19 134.76 3.36 9.49 0.20 0
20260812 02:30:00   HIMAWARI9 SWIR 23 35.01 136.88 35.02 136.73 0.52 1.48 0.30 ***
20260811 23:30:00   HIMAWARI9 IR 27 36.12 133.90 36.13 133.75 3.36 9.49 1.00 1
20260811 23:30:00 * HIMAWARI9 SWIR 27 36.57 133.38 36.58 133.23 0.93 2.62 0.20 ***
20260811 22:00:30   SSMIS-17 89-92GHz 28 *** *** *** *** 0.44 1.24 5.00 0
20260811 20:30:00   HIMAWARI9 IR 30 36.56 134.33 36.57 134.18 3.36 9.49 0.40 1
20260811 20:30:00   HIMAWARI9 SWIR 30 36.88 134.52 36.90 134.37 0.72 2.05 0.80 ***
20260811 19:42:03 * SSMIS-18 89-92GHz 29 35.90 137.06 35.94 136.67 0.41 1.16 2.50 1
20260811 17:20:00 * HIMAWARI9 SWIR 32 36.65 135.94 36.63 135.65 1.48 4.17 0.60 ***
20260811 17:10:00   HIMAWARI9 IR 32 35.50 137.64 35.47 137.28 3.36 9.49 0.30 2
20260811 16:04:56 * AMSR2 37GHz 33 *** *** *** *** 0.56 1.57 2.50 ***
20260811 16:04:56   AMSR2 89-92GHz 33 *** *** *** *** 0.60 1.69 5.00 0
20260811 14:10:00   HIMAWARI9 IR 35 37.40 137.40 37.37 137.04 1.68 4.74 0.90 3
20260811 14:10:00   HIMAWARI9 SWIR 35 37.40 137.40 37.37 137.04 1.28 3.61 0.90 ***
20260811 12:14:54 * GMI 37GHz 36 *** *** *** *** 0.29 0.83 1.10 ***
20260811 12:14:54   GMI 89-92GHz 36 36.23 139.96 36.24 140.07 0.32 0.91 2.90 3
20260811 11:30:00   HIMAWARI9 IR 37 36.70 142.62 36.66 142.45 3.36 9.49 0.30 2
20260811 11:30:00   HIMAWARI9 SWIR 37 34.70 140.54 34.66 140.37 0.74 2.10 0.30 ***
20260811 08:30:00   HIMAWARI9 IR 40 36.37 141.20 36.33 141.03 3.36 9.49 1.00 6
20260811 08:30:00   HIMAWARI9 SWIR 40 34.89 140.76 34.85 140.59 3.36 9.49 0.90 ***
20260811 07:55:50 * SSMIS-17 89-92GHz 40 36.39 140.43 36.30 140.07 0.32 0.91 3.30 5
20260811 05:36:42 * SSMIS-18 89-92GHz 47 *** *** *** *** 0.60 1.70 5.00 0
20260811 05:30:00   HIMAWARI9 IR 47 36.60 142.11 36.58 141.97 0.89 2.51 1.00 9
20260811 05:30:00   HIMAWARI9 SWIR 47 35.88 140.93 35.85 140.79 2.57 7.27 0.10 ***
20260811 04:03:07   AMSR2 37GHz 48 36.85 142.60 36.90 142.90 0.33 0.93 1.10 ***
20260811 04:03:07   AMSR2 89-92GHz 48 36.45 141.72 36.50 142.02 0.38 1.08 1.70 11
20260811 02:30:00   HIMAWARI9 IR 50 36.75 143.05 36.72 142.91 3.36 9.49 1.00 2
20260811 02:30:00   HIMAWARI9 SWIR 50 36.72 141.96 36.70 141.82 2.15 6.06 0.70 ***
20260811 02:29:54 * GMI 37GHz 50 37.12 143.18 37.10 143.04 0.15 0.42 1.40 ***
20260811 02:29:54   GMI 89-92GHz 50 37.27 141.93 37.25 141.79 0.26 0.73 2.70 29
20260810 23:30:00 * HIMAWARI9 IR 45 36.79 144.11 36.79 143.92 0.29 0.81 1.00 10
20260810 23:30:00   HIMAWARI9 SWIR 45 36.79 143.95 36.79 143.77 0.41 1.17 0.70 ***
20260810 20:33:00 * SSMIS-17 89-92GHz 45 37.40 144.51 37.40 144.35 0.27 0.76 2.70 17
20260810 20:30:00   HIMAWARI9 IR 45 37.00 145.03 37.00 144.84 3.36 9.49 1.00 4
20260810 20:30:00   HIMAWARI9 SWIR 45 36.85 145.15 36.85 144.97 3.36 9.49 0.70 ***
20260810 17:30:00   HIMAWARI9 IR 46 33.90 146.41 34.01 146.24 3.36 9.49 0.70 1
20260810 17:30:00 * HIMAWARI9 SWIR 46 36.65 146.72 36.76 146.55 1.64 4.64 0.70 ***
20260810 14:30:00   HIMAWARI9 IR 45 34.12 145.70 34.23 145.54 1.03 2.91 0.70 4
20260810 14:30:00 * HIMAWARI9 SWIR 45 35.69 147.27 35.80 147.11 0.57 1.60 0.20 ***
20260810 11:30:00   HIMAWARI9 IR 42 34.95 148.23 35.01 148.15 3.21 9.07 0.90 32
20260810 11:30:00 * HIMAWARI9 SWIR 42 35.20 148.66 35.26 148.58 0.59 1.65 0.80 ***
20260810 08:30:00   HIMAWARI9 IR 40 34.93 148.74 34.98 148.66 3.36 9.49 0.50 15
20260810 08:30:00   HIMAWARI9 SWIR 40 35.50 148.13 35.56 148.05 0.97 2.73 0.10 ***
20260810 08:13:38 * SSMIS-16 89-92GHz 40 34.72 149.20 34.81 149.09 0.26 0.73 2.40 14
20260810 08:09:53   SSMIS-17 89-92GHz 40 35.52 149.34 35.62 149.21 0.27 0.75 1.00 14
20260810 05:50:31 * SSMIS-18 89-92GHz 41 34.45 148.73 34.48 148.70 0.35 0.98 2.20 4
20260810 05:30:00   HIMAWARI9 IR 41 33.65 148.84 33.74 148.77 3.36 9.49 1.00 3
20260810 05:30:00   HIMAWARI9 SWIR 41 33.10 146.99 33.19 146.92 0.74 2.09 0.70 ***
20260810 03:19:08   AMSR2 37GHz 40 33.89 148.72 33.83 148.77 0.42 1.20 3.00 ***
20260810 03:19:08 * AMSR2 89-92GHz 40 33.99 149.45 33.93 149.50 0.34 0.95 0.90 3
20260810 02:30:00   HIMAWARI9 IR 40 33.56 149.05 33.65 148.97 3.36 9.49 1.00 12
20260810 02:30:00   HIMAWARI9 SWIR 40 34.16 150.56 34.25 150.48 3.36 9.49 0.40 ***
20260809 23:30:00   HIMAWARI9 IR 36 33.34 149.68 33.38 149.64 1.01 2.85 1.00 11
20260809 23:30:00 * HIMAWARI9 SWIR 36 34.21 151.70 34.25 151.66 0.58 1.63 0.20 ***
20260809 20:30:00   HIMAWARI9 IR 35 33.23 149.81 33.28 149.77 1.22 3.46 0.60 41
20260809 20:30:00 * HIMAWARI9 SWIR 35 33.23 149.93 33.28 149.89 0.72 2.04 0.40 ***
20260809 17:30:00   HIMAWARI9 IR 35 32.69 150.03 32.77 149.99 0.85 2.39 1.00 11
20260809 17:30:00 * HIMAWARI9 SWIR 35 32.72 149.97 32.79 149.93 0.65 1.83 1.00 ***
20260809 16:17:46 * AMSR2 37GHz 35 32.78 150.23 32.58 150.34 0.23 0.64 1.00 ***
20260809 16:17:46   AMSR2 89-92GHz 35 32.88 150.29 32.68 150.40 0.35 1.00 3.30 3
20260809 14:30:00   HIMAWARI9 IR 35 32.34 150.36 32.42 150.32 3.36 9.49 0.90 2
20260809 14:30:00   HIMAWARI9 SWIR 35 32.42 150.42 32.49 150.38 0.63 1.79 0.70 ***
20260809 12:09:54 * GMI 37GHz 38 32.24 150.62 32.22 150.64 0.18 0.52 1.00 ***
20260809 12:09:54   GMI 89-92GHz 38 32.49 151.04 32.47 151.05 0.24 0.67 0.40 5
20260809 11:30:00   HIMAWARI9 IR 38 32.02 150.66 32.02 150.66 0.23 0.64 0.70 9
20260809 11:30:00   HIMAWARI9 SWIR 38 32.07 150.66 32.07 150.66 0.34 0.97 0.50 ***
20260809 08:30:00 * HIMAWARI9 IR 40 31.88 150.53 31.88 150.53 0.25 0.71 0.80 13
20260809 08:30:00   HIMAWARI9 SWIR 40 31.93 150.59 31.93 150.59 0.28 0.80 0.80 ***
20260809 06:04:32 * SSMIS-18 89-92GHz 45 32.02 150.63 32.02 150.63 0.29 0.83 3.00 4
20260809 05:30:00   HIMAWARI9 IR 45 32.01 150.54 32.00 150.51 0.37 1.04 0.50 5
20260809 05:30:00   HIMAWARI9 SWIR 45 31.96 150.54 31.95 150.51 0.43 1.22 0.10 ***
20260809 02:35:50 * AMSR2 37GHz 45 32.04 150.77 32.03 150.75 0.15 0.43 3.10 ***
20260809 02:35:50   AMSR2 89-92GHz 45 32.19 151.06 32.18 151.04 0.16 0.46 1.50 27
20260809 02:30:00   HIMAWARI9 IR 45 31.98 150.71 31.97 150.69 0.25 0.71 0.80 10
20260809 02:30:00   HIMAWARI9 SWIR 45 31.98 150.89 31.97 150.86 0.54 1.53 0.20 ***
20260809 02:19:54   GMI 37GHz 40 32.40 150.66 32.39 150.63 0.18 0.51 0.90 ***
20260809 02:19:54   GMI 89-92GHz 40 32.60 151.02 32.59 150.99 0.25 0.70 2.30 5
20260808 23:30:00 * HIMAWARI9 IR 40 32.12 150.90 32.10 150.84 0.23 0.65 0.70 9
20260808 23:30:00   HIMAWARI9 SWIR 40 32.10 150.84 32.07 150.78 0.30 0.85 0.10 ***
20260808 20:30:00 * HIMAWARI9 IR 40 32.28 151.21 32.25 151.15 0.21 0.59 1.00 25
20260808 20:30:00   HIMAWARI9 SWIR 40 32.30 151.15 32.27 151.09 0.21 0.61 1.00 ***
20260808 17:30:00 * HIMAWARI9 IR 40 32.46 151.56 32.42 151.43 0.18 0.52 0.70 13
20260808 17:30:00   HIMAWARI9 SWIR 40 32.28 151.77 32.25 151.64 0.22 0.62 0.80 ***
20260808 15:34:44   AMSR2 37GHz 40 32.85 151.77 32.89 151.92 0.17 0.49 0.70 ***
20260808 15:34:44 * AMSR2 89-92GHz 40 32.70 152.19 32.74 152.34 0.16 0.45 1.50 40
20260808 14:30:00   HIMAWARI9 IR 40 32.60 152.12 32.57 152.00 0.23 0.65 0.70 46
20260808 14:30:00   HIMAWARI9 SWIR 40 32.65 152.00 32.62 151.88 0.20 0.56 0.80 ***
20260808 11:30:00   HIMAWARI9 IR 35 33.08 153.72 33.09 153.58 3.36 9.49 0.70 3
20260808 11:30:00 * HIMAWARI9 SWIR 35 32.71 153.18 32.72 153.04 0.52 1.47 0.10 ***
20260808 08:40:32 * SSMIS-16 89-92GHz 35 33.34 154.24 33.35 154.15 0.37 1.05 2.20 3
20260808 08:30:00   HIMAWARI9 IR 35 32.94 154.67 32.95 154.53 3.36 9.49 0.90 8
20260808 08:30:00   HIMAWARI9 SWIR 35 33.04 154.52 33.05 154.38 3.36 9.49 0.90 ***
20260808 06:56:43 * SSMIS-17 89-92GHz 37 33.55 154.63 33.53 154.90 0.22 0.63 1.70 24
20260808 05:30:00   HIMAWARI9 IR 36 30.64 154.96 30.69 154.83 3.36 9.49 0.70 3
20260808 05:30:00   HIMAWARI9 SWIR 36 32.57 157.16 32.62 157.03 2.78 7.87 0.30 ***
20260808 02:30:00 * HIMAWARI9 IR 35 31.11 157.55 31.16 157.42 3.36 9.49 0.80 0
20260808 02:30:00 * HIMAWARI9 SWIR 35 32.13 156.19 32.18 156.05 3.36 9.49 0.90 ***
20260807 23:10:00 * HIMAWARI9 IR 30 31.16 157.89 31.22 157.67 3.36 9.49 0.20 1
20260807 23:10:00 * HIMAWARI9 SWIR 30 31.71 157.24 31.77 157.01 3.36 9.49 0.20 ***
20260807 21:19:33 * SSMIS-16 89-92GHz 30 32.33 157.21 32.31 157.30 0.35 1.00 1.30 5
20260807 20:30:00   HIMAWARI9 IR 30 30.65 158.85 30.69 158.72 3.36 9.49 0.80 0
20260807 20:30:00   HIMAWARI9 SWIR 30 31.40 159.56 31.44 159.43 1.12 3.16 0.30 ***
20260807 19:36:04   SSMIS-17 89-92GHz 30 32.05 157.55 32.14 157.18 0.37 1.05 1.30 5
20260807 17:10:00   HIMAWARI9 IR 30 30.28 160.22 30.42 159.98 2.86 8.08 0.10 0
20260807 17:10:00 * HIMAWARI9 SWIR 30 31.33 158.78 31.47 158.54 1.00 2.84 1.00 ***
20260807 14:51:57 * AMSR2 37GHz 30 31.28 159.29 31.31 159.25 0.23 0.66 0.80 ***
20260807 14:51:57   AMSR2 89-92GHz 30 31.38 159.23 31.41 159.19 0.23 0.66 1.50 8
20260807 14:20:00   HIMAWARI9 IR 30 30.79 159.36 30.90 159.18 3.36 9.49 0.60 1
20260807 14:20:00   HIMAWARI9 SWIR 30 30.91 159.16 31.02 158.97 0.81 2.28 1.00 ***
20260807 11:54:54 * GMI 37GHz 40 30.37 159.49 30.38 159.48 0.20 0.55 2.60 ***
20260807 11:54:54   GMI 89-92GHz 40 30.77 159.49 30.78 159.48 0.45 1.27 2.40 1
20260807 11:30:00   HIMAWARI9 IR 40 30.02 159.44 30.12 159.39 3.36 9.49 1.00 0
20260807 11:30:00   HIMAWARI9 SWIR 40 30.37 159.78 30.47 159.73 1.24 3.52 1.00 ***
20260807 08:30:00   HIMAWARI9 IR 40 29.48 160.05 29.59 160.00 2.80 7.92 1.00 0
20260807 08:30:00 * HIMAWARI9 SWIR 40 29.63 160.10 29.74 160.05 0.83 2.34 0.70 ***
20260807 07:10:02 * SSMIS-17 89-92GHz 45 29.81 160.40 29.56 160.52 0.31 0.88 0.20 3
20260807 05:00:00   HIMAWARI9 IR 45 30.71 159.39 30.79 159.32 3.36 9.49 1.00 8
20260807 05:00:00   HIMAWARI9 SWIR 45 28.38 158.52 28.47 158.45 0.83 2.36 0.60 ***
20260807 02:46:55   AMSR2 37GHz 42 29.49 160.52 29.51 160.50 0.24 0.67 1.10 ***
20260807 02:46:55   AMSR2 89-92GHz 42 29.44 160.46 29.46 160.45 0.23 0.64 1.00 8
20260807 02:30:00   HIMAWARI9 IR 45 31.08 159.06 31.12 159.02 3.36 9.49 0.30 21
20260807 02:30:00   HIMAWARI9 SWIR 45 30.18 160.84 30.22 160.81 3.33 9.40 0.20 ***
20260807 02:09:55 * GMI 37GHz 45 29.54 160.49 29.61 160.44 0.14 0.40 0.70 ***
20260807 02:09:55   GMI 89-92GHz 45 29.44 160.43 29.51 160.38 0.16 0.46 1.00 19

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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