-- 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
20260210 00:37:26 * GMI 85-92GHz 76.0 -18.10 51.85 -18.10 52.03 0.08 0.23 0.40 100.0
20260210 00:37:26 GMI 37GHz 76.0 -18.05 51.85 -18.05 52.03 0.12 0.35 0.20 ***
20260209 17:33:00 * Metop-C ASCAT 64.2 -17.90 53.55 -17.90 53.56 0.31 0.87 *** ***
20260209 11:17:27 * GMI 85-92GHz 59.1 -18.20 54.06 -18.20 54.03 0.17 0.48 0.60 95.7
20260209 11:17:27 GMI 37GHz 59.1 -17.90 53.74 -17.90 53.71 0.19 0.54 1.20 ***
20260209 10:17:08 AMSR2 85-92GHz 57.9 -18.04 54.11 -18.05 53.92 0.22 0.62 0.20 71.7
20260209 10:17:08 AMSR2 37GHz 57.9 -17.99 54.11 -18.00 53.92 0.20 0.58 0.20 ***
20260209 05:03:00 * Metop-C ASCAT 51.3 -17.59 54.90 -17.59 54.83 0.21 0.60 *** ***
20260208 22:05:25 AMSR2 85-92GHz 43.4 -18.33 55.54 -18.30 55.39 0.28 0.78 3.00 0.0
20260208 22:05:25 * AMSR2 37GHz 43.4 -17.83 55.80 -17.80 55.65 0.18 0.51 0.60 ***
20260208 11:57:26 GMI 85-92GHz 35.0 -18.50 56.50 -18.50 56.51 0.40 1.12 1.20 2.5
20260208 11:57:26 * GMI 37GHz 35.0 -18.50 56.39 -18.50 56.41 0.39 1.09 1.40 ***

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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