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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
20260930 02:50:20   GOES19 IR 35 32.46 -41.92 32.46 -41.91 3.36 9.49 0.10 29
20260930 02:50:20   GOES19 SWIR 35 32.46 -41.92 32.46 -41.91 1.49 4.21 0.20 ***
20260930 00:21:29   GMI 37GHz 35 33.69 -44.43 33.69 -44.46 0.31 0.87 0.90 ***
20260930 00:21:29 * GMI 89-92GHz 35 33.79 -44.19 33.79 -44.22 0.22 0.63 0.70 18
20260929 23:50:20   GOES19 IR 35 35.38 -45.69 35.37 -45.67 3.36 9.49 0.90 0
20260929 23:50:20   GOES19 SWIR 35 34.58 -45.15 34.57 -45.13 3.36 9.49 0.20 ***
20260929 20:50:20   GOES19 IR 35 35.96 -45.63 35.95 -45.61 1.96 5.54 0.20 0
20260929 20:50:20   GOES19 SWIR 35 35.03 -45.27 35.02 -45.25 3.36 9.49 0.20 ***
20260929 19:52:12   SSMIS-17 89-92GHz 35 33.40 -43.80 33.32 -43.63 0.44 1.25 1.50 2
20260929 19:18:26 * SSMIS-18 89-92GHz 35 34.04 -44.62 34.13 -44.81 0.35 0.98 1.70 4
20260929 17:50:20   GOES19 IR 35 35.93 -46.64 35.91 -46.61 3.36 9.49 0.60 1
20260929 17:50:20   GOES19 SWIR 35 36.01 -46.12 35.99 -46.10 0.76 2.16 0.20 ***
20260929 14:50:20   GOES19 IR 43 33.19 -45.35 33.16 -45.33 3.36 9.49 0.80 0
20260929 14:50:20   GOES19 SWIR 43 33.29 -44.53 33.26 -44.51 3.36 9.49 1.00 ***
20260929 11:50:20   GOES19 IR 41 34.57 -45.89 34.55 -45.86 3.36 9.49 0.50 15
20260929 11:50:20   GOES19 SWIR 41 35.00 -44.98 34.98 -44.95 0.46 1.29 0.10 ***
20260929 10:51:30   GMI 37GHz 41 *** *** *** *** 0.24 0.67 1.40 ***
20260929 10:51:30   GMI 89-92GHz 41 *** *** *** *** 0.22 0.62 0.10 17
20260929 08:50:20   GOES19 IR 43 34.49 -46.63 34.48 -46.60 3.36 9.49 1.00 6
20260929 08:50:20   GOES19 SWIR 43 34.47 -46.63 34.45 -46.60 0.61 1.72 1.00 ***
20260929 07:56:07 * SSMIS-18 89-92GHz 42 35.43 -46.54 35.32 -46.34 0.38 1.06 1.00 7
20260929 05:50:20   GOES19 IR 41 37.61 -47.85 37.59 -47.81 0.72 2.03 0.90 7
20260929 05:50:20   GOES19 SWIR 41 37.43 -48.03 37.42 -47.99 1.01 2.84 0.40 ***
20260929 02:50:20   GOES19 IR 43 37.42 -48.47 37.40 -48.43 3.36 9.49 0.10 6
20260929 02:50:20   GOES19 SWIR 43 36.74 -48.87 36.72 -48.83 1.76 4.98 1.00 ***
20260929 01:06:30   GMI 37GHz 42 36.07 -48.10 36.18 -48.37 0.62 1.75 0.50 ***
20260929 01:06:30   GMI 89-92GHz 42 35.77 -47.79 35.88 -48.06 0.39 1.10 2.00 4
20260928 23:50:20   GOES19 IR 41 35.97 -50.27 35.95 -50.23 1.58 4.46 0.20 1
20260928 23:50:20   GOES19 SWIR 41 36.07 -48.94 36.05 -48.90 1.11 3.14 0.60 ***
20260928 20:50:20   GOES19 IR 40 36.06 -46.48 36.05 -46.44 3.36 9.49 0.30 6
20260928 20:50:20   GOES19 SWIR 40 36.01 -49.21 36.00 -49.17 0.76 2.14 0.90 ***
20260928 20:07:18   SSMIS-17 89-92GHz 40 *** *** *** *** 0.60 1.69 2.30 0
20260928 17:50:20   GOES19 IR 40 36.50 -50.24 36.50 -50.19 3.36 9.49 0.80 3
20260928 17:50:20   GOES19 SWIR 40 36.37 -50.14 36.37 -50.10 1.74 4.91 0.80 ***
20260928 14:50:20   GOES19 IR 40 36.11 -49.45 36.10 -49.41 0.83 2.36 0.10 5
20260928 14:50:20 * GOES19 SWIR 40 36.21 -49.52 36.20 -49.47 0.35 0.99 0.10 ***
20260928 10:54:50   SSMIS-16 89-92GHz 40 *** *** *** *** 0.38 1.08 2.40 5

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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