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
		20200226 05:30:00 Geo Vis 30.2 -17.41 131.55 -17.41 131.55 3.36 9.49 0.10 *** 20200226 05:30:00 Geo NearIR 30.2 -17.71 131.84 -17.71 131.84 1.89 5.33 0.10 *** 20200226 05:30:00 Geo IR 30.2 -16.61 133.14 -16.61 133.14 0.52 1.47 0.10 69.8 20200226 04:36:40 * GMI 85-92GHz 30.6 -16.74 132.38 -16.71 132.26 0.28 0.79 1.10 21.5 20200226 04:36:40 GMI 37GHz 30.6 -16.59 132.17 -16.56 132.05 0.51 1.44 3.00 ***
		20200226 02:30:00 Geo Vis 31.5 -17.25 132.56 -17.25 132.56 3.36 9.49 0.80 *** 20200226 02:30:00 Geo NearIR 31.5 *** *** *** *** *** *** 0.40 *** 20200226 02:30:00 Geo IR 31.5 *** *** *** *** *** *** 0.40 ***
		20200226 00:45:00 Metop-B ASCAT 32.2 *** *** *** *** *** *** *** *** 20200225 23:33:00 Metop-A ASCAT 32.7 *** *** *** *** *** *** *** *** 20200225 23:30:00 Geo Vis 32.7 *** *** *** *** *** *** 0.50 *** 20200225 23:30:00 Geo NearIR 32.7 -18.18 131.84 -18.18 131.84 1.19 3.37 0.10 *** 20200225 23:30:00 Geo IR 32.7 *** *** *** *** *** *** 0.90 ***
		20200225 20:30:00 Geo NearIR 34.0 -18.57 132.34 -18.57 132.34 1.08 3.05 0.10 *** 20200225 20:30:00 Geo IR 34.0 *** *** *** *** *** *** 0.80 *** 20200225 19:03:27 * SSMIS-16 85-92GHz 34.6 -17.53 133.34 -17.50 133.15 0.32 0.91 1.70 8.6
		20200225 17:30:00 Geo NearIR 35.2 -17.39 133.80 -17.39 133.80 0.91 2.57 0.10 *** 20200225 17:30:00 Geo IR 35.2 -18.06 133.12 -18.06 133.12 1.02 2.89 0.60 12.0 20200225 16:13:36 AMSR2 85-92GHz 35.7 -17.34 133.70 -17.31 133.54 0.47 1.33 0.60 2.2 20200225 16:13:36 AMSR2 37GHz 35.7 -16.89 134.01 -16.86 133.85 0.36 1.01 0.60 ***
		20200225 14:30:00 Geo NearIR 36.5 -18.13 133.66 -18.13 133.66 0.36 1.02 0.60 *** 20200225 14:30:00 * Geo IR 36.5 -18.25 133.58 -18.25 133.58 0.24 0.68 0.30 37.1
		20200225 12:24:00 Metop-A ASCAT 37.3 *** *** *** *** *** *** *** *** 20200225 11:30:00 Geo NearIR 37.7 -17.41 134.14 -17.41 134.14 0.92 2.60 0.60 *** 20200225 11:30:00 Geo IR 37.7 -17.74 134.01 -17.74 134.01 3.36 9.49 0.70 4.0
		20200225 09:45:26 * SSMIS-17 85-92GHz 38.4 -17.32 134.25 -17.34 134.40 0.28 0.79 1.10 11.0 20200225 08:30:00 Geo Vis 39.0 -17.39 134.32 -17.39 134.32 1.01 2.84 0.80 *** 20200225 08:30:00 Geo NearIR 39.0 -17.34 134.38 -17.34 134.38 3.36 9.49 0.80 *** 20200225 08:30:00 Geo IR 39.0 -17.44 134.43 -17.44 134.43 3.36 9.49 0.70 7.2 20200225 07:51:23 SSMIS-16 85-92GHz 39.2 *** *** *** *** *** *** 3.00 *** 20200225 07:48:01 SSMIS-18 85-92GHz 39.2 -17.19 134.54 -17.19 134.46 0.35 1.00 1.20 5.9
		20200225 05:30:00 Geo Vis 40.2 -17.37 134.44 -17.37 134.44 0.34 0.97 0.90 *** 20200225 05:30:00 Geo NearIR 40.2 -17.47 134.78 -17.47 134.78 0.70 1.98 1.00 *** 20200225 05:30:00 Geo IR 40.2 -17.55 134.67 -17.55 134.67 2.26 6.38 0.80 30.8
		20200225 02:30:00 * Geo Vis 41.5 -17.66 134.92 -17.66 134.92 0.19 0.55 0.80 *** 20200225 02:30:00 Geo NearIR 41.5 -17.39 135.02 -17.39 135.02 0.51 1.45 0.10 *** 20200225 02:30:00 Geo IR 41.5 -17.34 134.94 -17.34 134.94 3.36 9.49 0.20 14.2
		20200224 23:51:00 Metop-A ASCAT 42.6 *** *** *** *** *** *** *** *** 20200224 23:30:00 * Geo Vis 42.7 -17.34 135.66 -17.34 135.66 0.21 0.58 0.30 *** 20200224 23:30:00 Geo NearIR 42.7 -17.59 135.63 -17.59 135.63 0.81 2.28 0.20 *** 20200224 23:30:00 Geo IR 42.7 -17.29 135.50 -17.29 135.50 0.48 1.35 0.70 10.8
		20200224 21:11:28 SSMIS-17 85-92GHz 43.7 -17.04 135.45 -17.03 135.54 0.28 0.79 2.60 -0.2 20200224 20:30:00 Geo NearIR 44.0 -17.53 135.51 -17.53 135.51 0.30 0.84 0.10 *** 20200224 20:30:00 Geo IR 44.0 -17.48 135.56 -17.48 135.56 0.39 1.10 0.10 40.7 20200224 19:16:37 * SSMIS-16 85-92GHz 44.5 -17.42 135.53 -17.43 135.38 0.17 0.49 3.00 6.3
		20200224 17:30:00 Geo NearIR 45.3 -17.67 136.22 -17.67 136.22 0.25 0.69 1.00 *** 20200224 17:30:00 Geo IR 45.3 -17.57 136.28 -17.57 136.28 0.41 1.15 0.10 8.7 20200224 16:16:39 * GMI 85-92GHz 46.0 -17.12 136.06 -17.14 135.91 0.23 0.64 2.20 32.6 20200224 16:16:39 GMI 37GHz 46.0 -17.12 136.16 -17.14 136.01 0.31 0.89 0.30 ***
		20200224 14:30:00 Geo NearIR 46.9 -17.34 136.82 -17.34 136.82 0.27 0.77 0.70 *** 20200224 14:30:00 Geo IR 46.9 -17.17 137.03 -17.17 137.03 0.38 1.06 0.10 47.2
		20200224 12:18:00 Metop-B ASCAT 48.2 -15.00 136.12 -14.98 136.22 0.28 0.79 *** *** 20200224 11:30:00 Geo NearIR 48.6 -16.16 136.61 -16.16 136.61 0.64 1.80 0.10 *** 20200224 11:30:00 Geo IR 48.6 -16.56 136.79 -16.56 136.79 1.02 2.88 0.10 11.8
		20200224 09:59:12 * SSMIS-17 85-92GHz 49.5 -16.41 136.98 -16.40 137.17 0.24 0.68 0.30 43.6 20200224 08:30:00 Geo Vis 50.0 -16.65 137.20 -16.65 137.20 0.65 1.83 0.40 *** 20200224 08:30:00 Geo NearIR 50.0 -16.43 136.91 -16.43 136.91 0.47 1.34 0.10 *** 20200224 08:30:00 Geo IR 50.0 -16.32 136.80 -16.32 136.80 0.56 1.58 0.10 24.4 20200224 08:00:31 * SSMIS-18 85-92GHz 50.0 -16.45 136.71 -16.45 136.65 0.24 0.68 0.10 9.6
		20200224 05:30:00 Geo Vis 49.6 -16.80 137.29 -16.80 137.29 0.24 0.67 0.90 *** 20200224 05:30:00 Geo NearIR 49.6 -16.82 137.42 -16.82 137.42 2.89 8.16 0.80 *** 20200224 05:30:00 Geo IR 49.6 -16.15 137.29 -16.15 137.29 0.89 2.50 0.10 16.1 20200224 04:46:39 GMI 85-92GHz 49.0 -16.44 137.32 -16.45 137.21 0.24 0.68 0.30 50.9 20200224 04:46:39 GMI 37GHz 49.0 -16.84 137.53 -16.85 137.42 0.23 0.65 1.50 *** 20200224 04:38:02 * AMSR2 85-92GHz 48.9 -16.79 137.65 -16.80 137.52 0.21 0.59 0.40 72.6 20200224 04:38:02 AMSR2 37GHz 48.9 -16.59 138.12 -16.60 137.99 0.32 0.91 0.20 ***
		20200224 02:30:00 Geo Vis 47.1 -16.44 137.51 -16.44 137.51 0.24 0.68 1.00 *** 20200224 02:30:00 Geo NearIR 47.1 -16.59 137.40 -16.59 137.40 2.04 5.77 0.30 *** 20200224 02:30:00 Geo IR 47.1 -16.39 137.90 -16.39 137.90 3.36 9.49 0.10 -0.2
		20200223 23:48:00 * Metop-B ASCAT 44.8 -16.69 138.06 -16.68 138.11 0.19 0.52 *** *** 20200223 23:30:00 * Geo Vis 44.6 -16.57 137.87 -16.57 137.87 0.23 0.64 0.40 *** 20200223 23:30:00 Geo NearIR 44.6 -17.02 137.61 -17.02 137.61 0.68 1.91 0.40 *** 20200223 23:30:00 Geo IR 44.6 -16.47 137.82 -16.47 137.82 0.43 1.22 1.00 14.7
		20200223 21:23:40 SSMIS-17 85-92GHz 42.8 -16.51 138.72 -16.42 138.85 0.37 1.05 0.60 26.5 20200223 20:30:00 Geo NearIR 42.1 *** *** *** *** *** *** 0.20 *** 20200223 20:30:00 Geo IR 42.1 -17.33 138.20 -17.33 138.20 3.36 9.49 0.70 2.0 20200223 19:25:17 SSMIS-18 85-92GHz 41.2 -15.98 138.79 -16.09 138.65 0.43 1.22 1.80 2.6
		20200223 17:30:00 Geo NearIR 39.6 *** *** *** *** *** *** 0.30 *** 20200223 17:30:00 Geo IR 39.6 -17.13 138.49 -17.13 138.49 0.36 1.01 0.30 7.8 20200223 16:25:23 AMSR2 85-92GHz 38.7 -15.72 139.38 -15.82 139.29 0.42 1.20 2.70 7.1 20200223 16:25:23 * AMSR2 37GHz 38.7 -15.72 139.28 -15.82 139.19 0.26 0.72 2.20 ***
		20200223 14:30:00 Geo NearIR 37.1 *** *** *** *** *** *** 0.40 *** 20200223 14:30:00 * Geo IR 37.1 -16.91 139.00 -16.91 139.00 0.49 1.40 0.70 -0.4
		20200223 11:30:00 Geo NearIR 35.0 *** *** *** *** *** *** 0.20 *** 20200223 11:30:00 Geo IR 35.0 *** *** *** *** *** *** 0.60 ***

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