-- Directory of older time series plots --


-- Link to ARCHER Track 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
20250422 20:55:05 SSMIS-17 85-92GHz 30.0 -9.41 133.17 -9.43 133.22 0.42 1.18 2.50 0.9
20250422 20:54:59 * SSMIS-17 85-92GHz 30.0 -9.41 133.17 -9.43 133.22 0.42 1.17 2.50 0.9
20250422 19:08:17 SSMIS-18 85-92GHz 30.0 *** *** *** *** *** *** 2.80 ***
20250422 18:53:27 GMI 85-92GHz 30.0 *** *** *** *** *** *** 3.20 ***
20250422 09:47:14 * SSMIS-17 85-92GHz 30.0 -10.33 133.53 -10.40 133.74 0.20 0.57 1.60 17.7
20250422 09:18:40 SSMIS-16 85-92GHz 30.0 -10.26 133.36 -10.30 133.49 0.30 0.86 1.30 5.1
20250422 05:04:31 * AMSR2 85-92GHz 30.0 -10.52 133.66 -10.51 133.66 0.23 0.66 0.60 15.1
20250421 21:09:18 * SSMIS-17 85-92GHz 30.0 -9.47 133.84 -9.53 134.00 0.20 0.56 1.90 6.1
20250421 16:48:40 * AMSR2 85-92GHz 30.0 -10.70 135.86 -10.64 135.71 0.61 1.74 0.70 0.3

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: ARCHER Track page

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