-- 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
20201223 11:39:09 * SSMIS-17 85-92GHz 20.0 8.05 106.19 8.05 106.21 0.30 0.86 0.20 3.2
20201223 11:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.60 ***
20201223 11:30:00 Geo IR 20.0 8.18 106.69 8.18 106.69 3.36 9.49 0.20 1.6
20201223 08:30:00 Geo Vis 20.0 8.33 107.14 8.33 107.14 0.65 1.85 1.00 ***
20201223 08:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.80 ***
20201223 08:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.70 ***
20201223 05:30:00 Geo Vis 20.0 8.55 107.49 8.55 107.49 0.57 1.60 0.10 ***
20201223 05:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.10 ***
20201223 05:30:00 Geo IR 20.0 8.52 108.30 8.52 108.30 3.36 9.49 1.00 0.0
20201223 02:30:00 Geo Vis 20.0 8.28 108.57 8.28 108.57 0.46 1.29 0.10 ***
20201223 02:30:00 Geo NearIR 20.0 *** *** *** *** *** *** 0.70 ***
20201223 02:30:00 Geo IR 20.0 *** *** *** *** *** *** 0.30 ***
20201223 01:54:00 * Metop-B ASCAT 20.0 8.18 108.12 8.18 108.04 0.17 0.48 *** ***
20201223 00:39:00 Metop-A ASCAT 20.0 8.04 108.72 8.06 108.87 0.25 0.70 *** ***
20201222 23:30:00 * Geo Vis 20.3 7.86 108.03 7.86 108.03 0.22 0.63 0.20 ***
20201222 23:30:00 Geo NearIR 20.3 8.16 107.66 8.16 107.66 0.97 2.74 0.10 ***
20201222 23:30:00 Geo IR 20.3 8.23 107.55 8.23 107.55 1.46 4.14 0.10 3.4
20201222 21:16:10 SSMIS-18 85-92GHz 21.5 8.43 108.78 8.45 108.88 0.29 0.82 0.80 13.2
20201222 21:06:05 SSMIS-16 85-92GHz 21.6 8.44 108.80 8.45 108.88 0.30 0.86 0.80 11.6
20201222 20:30:00 Geo NearIR 21.9 *** *** *** *** *** *** 0.10 ***
20201222 20:30:00 Geo IR 21.9 *** *** *** *** *** *** 0.80 ***
20201222 17:30:00 Geo NearIR 23.6 *** *** *** *** *** *** 0.10 ***
20201222 17:30:00 Geo IR 23.6 *** *** *** *** *** *** 0.60 ***
20201222 14:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 0.40 ***
20201222 14:30:00 Geo IR 25.0 *** *** *** *** *** *** 0.20 ***
20201222 11:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 0.70 ***
20201222 11:30:00 Geo IR 25.0 *** *** *** *** *** *** 0.60 ***
20201222 08:30:00 * Geo Vis 25.0 9.00 110.03 9.00 110.03 0.44 1.23 0.30 ***
20201222 08:30:00 Geo NearIR 25.0 *** *** *** *** *** *** 0.40 ***
20201222 08:30:00 Geo IR 25.0 *** *** *** *** *** *** 0.20 ***
20201222 08:26:33 SSMIS-16 85-92GHz 25.0 8.35 110.51 8.35 110.51 0.47 1.32 1.40 2.8
20201222 06:34:53 AMSR2 85-92GHz 25.0 *** *** *** *** *** *** 1.60 ***
20201222 06:34:53 AMSR2 37GHz 25.0 *** *** *** *** *** *** 3.00 ***
20201222 05:30:00 Geo Vis 25.4 *** *** *** *** *** *** 0.50 ***
20201222 05:30:00 Geo NearIR 25.4 *** *** *** *** *** *** 0.60 ***
20201222 05:30:00 Geo IR 25.4 *** *** *** *** *** *** 0.30 ***
20201222 02:30:00 Geo Vis 27.9 8.05 111.72 8.05 111.72 0.53 1.49 0.80 ***
20201222 02:30:00 Geo NearIR 27.9 *** *** *** *** *** *** 0.10 ***
20201222 02:30:00 * Geo IR 27.9 8.50 109.04 8.50 109.04 0.46 1.31 0.60 55.9
20201221 23:30:00 Geo Vis 30.0 7.26 111.95 7.26 111.95 3.36 9.49 0.40 ***
20201221 23:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.50 ***
20201221 23:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.30 ***
20201221 23:03:54 SSMIS-17 85-92GHz 30.0 8.13 110.88 8.08 110.84 0.59 1.68 0.20 0.2
20201221 21:28:14 * SSMIS-18 85-92GHz 30.0 8.22 110.71 8.38 110.79 0.33 0.95 0.20 1.5
20201221 21:18:51 SSMIS-16 85-92GHz 30.0 8.89 110.77 9.03 110.84 0.42 1.19 0.30 1.3
20201221 20:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.40 ***
20201221 20:30:00 Geo IR 30.0 *** *** *** *** *** *** 1.00 ***
20201221 18:08:54 * AMSR2 85-92GHz 30.0 8.15 111.38 8.18 111.44 0.44 1.25 2.20 0.9
20201221 18:08:54 AMSR2 37GHz 30.0 *** *** *** *** *** *** 0.70 ***
20201221 17:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.60 ***
20201221 17:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.50 ***
20201221 14:30:00 Geo NearIR 30.0 8.46 112.14 8.46 112.14 3.36 9.49 0.60 ***
20201221 14:30:00 Geo IR 30.0 8.46 111.99 8.46 111.99 3.36 9.49 0.50 0.2
20201221 13:39:00 Metop-B ASCAT 30.0 8.49 111.93 8.47 111.84 0.19 0.55 *** ***
20201221 12:24:00 * Metop-A ASCAT 30.0 8.78 112.20 8.82 112.30 0.13 0.36 *** ***
20201221 11:30:00 Geo NearIR 29.6 10.30 111.76 10.30 111.76 0.49 1.38 0.10 ***
20201221 11:30:00 Geo IR 29.6 8.37 112.77 8.37 112.77 3.36 9.49 0.20 3.6
20201221 08:49:05 SSMIS-18 85-92GHz 27.3 9.50 112.37 9.51 112.41 0.46 1.31 2.30 2.3
20201221 08:39:42 SSMIS-16 85-92GHz 27.2 9.45 112.34 9.46 112.36 0.36 1.02 2.20 4.8
20201221 08:30:00 Geo Vis 27.1 9.34 112.23 9.34 112.23 3.36 9.49 0.10 ***
20201221 08:30:00 Geo NearIR 27.1 *** *** *** *** *** *** 0.70 ***
20201221 08:30:00 Geo IR 27.1 *** *** *** *** *** *** 0.10 ***
20201221 05:52:11 AMSR2 85-92GHz 25.1 9.56 112.31 9.58 112.36 0.48 1.36 3.00 6.1
20201221 05:52:11 AMSR2 37GHz 25.1 9.36 112.71 9.38 112.76 0.39 1.09 2.90 ***
20201221 05:30:00 Geo Vis 25.4 9.45 112.61 9.45 112.61 0.46 1.30 0.40 ***
20201221 05:30:00 Geo NearIR 25.4 9.30 112.73 9.30 112.73 3.36 9.49 0.30 ***
20201221 05:30:00 Geo IR 25.4 9.37 111.74 9.37 111.74 3.36 9.49 0.20 14.5
20201221 02:33:00 Metop-B ASCAT 27.9 *** *** *** *** *** *** *** ***
20201221 02:30:00 Geo Vis 27.9 9.26 112.97 9.26 112.97 0.30 0.85 0.20 ***
20201221 02:30:00 Geo NearIR 27.9 *** *** *** *** *** *** 0.90 ***
20201221 02:30:00 Geo IR 27.9 *** *** *** *** *** *** 0.10 ***
20201221 01:18:00 * Metop-A ASCAT 28.9 9.28 113.54 9.19 113.38 0.14 0.38 *** ***
20201220 23:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.30 ***
20201220 23:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.90 ***
20201220 23:30:00 Geo IR 30.0 *** *** *** *** *** *** 1.00 ***
20201220 23:16:28 SSMIS-17 85-92GHz 30.0 9.37 114.14 9.36 114.11 0.37 1.06 3.00 3.9
20201220 20:30:00 Geo NearIR 30.0 10.14 113.12 10.14 113.12 0.76 2.13 0.10 ***
20201220 20:30:00 Geo IR 30.0 10.27 112.87 10.27 112.87 0.91 2.58 0.10 14.8
20201220 17:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.70 ***
20201220 17:30:00 Geo IR 30.0 *** *** *** *** *** *** 1.00 ***
20201220 14:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.90 ***
20201220 14:30:00 Geo IR 30.0 8.53 114.44 8.53 114.44 3.36 9.49 1.00 2.9
20201220 14:00:00 * Metop-B ASCAT 30.0 8.70 114.43 8.68 114.44 0.21 0.59 *** ***
20201220 11:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 1.00 ***
20201220 11:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.30 ***
20201220 10:38:53 SSMIS-17 85-92GHz 30.0 *** *** *** *** *** *** 0.60 ***
20201220 09:01:54 SSMIS-18 85-92GHz 30.0 10.78 114.98 10.80 115.07 0.43 1.22 3.00 4.7
20201220 08:53:07 * SSMIS-16 85-92GHz 30.0 10.78 114.95 10.80 115.02 0.37 1.03 3.00 5.3
20201220 08:30:00 * Geo Vis 30.0 10.73 115.08 10.73 115.08 1.00 2.82 0.10 ***
20201220 08:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.20 ***
20201220 08:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.10 ***
20201220 05:30:00 Geo Vis 30.0 10.02 115.59 10.02 115.59 1.77 5.01 0.20 ***
20201220 05:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.40 ***
20201220 05:30:00 Geo IR 30.0 9.47 116.20 9.47 116.20 3.36 9.49 0.80 8.4
20201220 02:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.80 ***
20201220 02:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 1.00 ***
20201220 02:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.50 ***
20201219 23:30:00 Geo Vis 30.0 *** *** *** *** *** *** 0.10 ***
20201219 23:30:00 Geo NearIR 30.0 *** *** *** *** *** *** 0.50 ***
20201219 23:30:00 Geo IR 30.0 *** *** *** *** *** *** 0.30 ***

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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