-- 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
20250808 16:48:26 GMI 85-92GHz 25.7 -5.74 57.82 -5.72 57.78 0.43 1.21 0.40 1.0
20250808 16:48:26 * GMI 37GHz 25.7 -6.29 57.67 -6.27 57.63 0.33 0.92 2.20 ***
20250808 05:13:27 GMI 85-92GHz 30.6 *** *** *** *** *** *** 3.00 ***
20250808 05:13:27 * GMI 37GHz 30.6 -6.94 58.68 -6.93 58.67 0.52 1.48 3.00 ***
20250807 17:36:00 * Metop-A ASCAT 35.0 -6.49 60.40 -6.49 60.41 0.19 0.54 *** ***
20250807 11:44:33 * SSMIS-18 85-92GHz 35.0 -7.71 60.32 -7.71 60.34 0.17 0.47 2.80 1.7
20250807 09:42:42 AMSR2 85-92GHz 35.0 -7.58 60.85 -7.61 60.96 0.40 1.14 0.50 8.3
20250807 09:42:42 AMSR2 37GHz 35.0 -7.83 60.95 -7.86 61.06 0.32 0.91 2.60 ***
20250807 05:58:26 GMI 85-92GHz 35.0 -7.88 61.17 -7.89 61.22 0.24 0.67 3.00 0.0
20250807 05:58:26 * GMI 37GHz 35.0 -8.63 61.22 -8.64 61.27 0.22 0.63 3.00 ***
20250807 05:48:00 Metop-C ASCAT 35.0 *** *** *** *** *** *** *** ***
20250807 05:00:00 Metop-A ASCAT 35.0 *** *** *** *** *** *** *** ***
20250807 02:33:48 SSMIS-16 85-92GHz 35.0 -7.05 61.84 -7.05 61.85 0.59 1.65 3.00 0.1
20250807 02:11:21 * SSMIS-17 85-92GHz 35.0 -7.65 61.58 -7.65 61.55 0.38 1.06 0.10 3.4

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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