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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
20241020 19:11:58 * AMSR2 85-92GHz 25.0 15.30 -93.60 15.49 -93.27 0.52 1.47 3.00 0.0
20241020 19:11:58 AMSR2 37GHz 25.0 *** *** *** *** *** *** 3.00 ***
20241020 15:53:26 GMI 85-92GHz 25.0 *** *** *** *** *** *** 3.00 ***
20241020 15:53:26 GMI 37GHz 25.0 *** *** *** *** *** *** 3.00 ***
20241020 15:15:00 Metop-A ASCAT 25.0 *** *** *** *** *** *** *** ***
20241020 03:39:00 Metop-C ASCAT 27.0 *** *** *** *** *** *** *** ***
20241020 02:45:00 Metop-A ASCAT 27.7 *** *** *** *** *** *** *** ***
20241019 22:15:01 * SSMIS-18 85-92GHz 34.4 17.27 -90.50 17.20 -90.79 0.38 1.06 3.00 0.0
20241019 16:33:26 GMI 85-92GHz 43.8 *** *** *** *** *** *** 3.00 ***
20241019 16:33:26 GMI 37GHz 43.8 *** *** *** *** *** *** 3.00 ***
20241019 15:36:00 Metop-A ASCAT 43.0 *** *** *** *** *** *** *** ***
20241019 11:55:38 * SSMIS-17 85-92GHz 39.9 17.10 -87.50 17.10 -87.47 0.34 0.95 0.80 28.9
20241019 11:41:50 * SSMIS-16 85-92GHz 39.7 17.10 -87.36 17.10 -87.37 0.18 0.50 1.10 74.1
20241019 07:36:20 AMSR2 85-92GHz 36.3 17.31 -87.05 17.29 -87.17 0.48 1.35 0.70 5.4
20241019 07:36:20 * AMSR2 37GHz 36.3 17.41 -86.69 17.39 -86.80 0.41 1.15 0.70 ***
20241019 03:13:26 GMI 85-92GHz 32.7 *** *** *** *** *** *** 2.60 ***
20241019 03:13:26 GMI 37GHz 32.7 *** *** *** *** *** *** 0.70 ***
20241018 23:21:47 * SSMIS-17 85-92GHz 30.0 17.95 -86.44 17.94 -86.50 0.51 1.43 3.00 2.8

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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