-- 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
20260914 14:50:22   GOES18 IR 33 15.84 -121.66 15.84 -121.68 3.36 9.49 0.30 1
20260914 14:50:22 * GOES18 SWIR 33 15.46 -121.50 15.46 -121.52 1.07 3.04 0.70 ***
20260914 11:50:22   GOES18 IR 31 18.03 -119.89 18.02 -119.91 3.36 9.49 0.50 12
20260914 11:50:22 * GOES18 SWIR 31 15.53 -121.12 15.52 -121.14 0.49 1.38 0.90 ***
20260914 08:50:22   GOES18 IR 33 17.22 -119.60 17.21 -119.63 3.36 9.49 0.60 0
20260914 08:50:22 * GOES18 SWIR 33 17.17 -119.45 17.16 -119.47 0.57 1.62 0.70 ***
20260914 05:50:22 * GOES18 IR 31 17.63 -119.06 17.62 -119.08 3.36 9.49 0.90 0
20260914 05:50:22 * GOES18 SWIR 31 17.38 -117.71 17.37 -117.72 3.36 9.49 0.40 ***
20260914 03:23:17 * SSMIS-16 89-92GHz 30 16.99 -118.35 17.02 -118.31 0.32 0.90 1.60 6
20260914 02:50:22   GOES18 IR 33 16.99 -117.72 16.98 -117.74 3.36 9.49 0.70 47
20260914 02:50:22   GOES18 SWIR 33 17.07 -117.85 17.05 -117.87 3.36 9.49 1.00 ***
20260914 01:20:30 * SSMIS-17 89-92GHz 32 17.05 -117.96 17.16 -117.83 0.45 1.28 0.40 1
20260913 23:50:22   GOES18 IR 31 16.91 -117.94 16.90 -117.97 3.36 9.49 0.50 10
20260913 23:50:22   GOES18 SWIR 31 17.08 -118.02 17.08 -118.05 3.36 9.49 0.20 ***
20260913 20:50:22   GOES18 IR 30 17.88 -118.09 17.87 -118.12 3.36 9.49 1.00 6
20260913 20:50:22 * GOES18 SWIR 30 18.00 -117.33 18.00 -117.37 1.02 2.89 0.50 ***

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

This page automatically updates every 5 minutes