Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20171130T061643 amsr2_85 11.1 2.5 98.6% 5.3 -20.4 n/a   35.5 kts
20171130T073358 ssmi15_85 321.9 156.2 NaN% NaN NaN n/a   37.6 kts
20171130T084537 ssmis16_85 299.7 145.1 NaN% NaN NaN n/a   39.6 kts
20171130T111920 ssmis17_85 310.8 150.7 NaN% NaN NaN n/a   43.9 kts
20171130T113302 ssmis18_85 310.8 161.8 NaN% NaN NaN n/a   44.3 kts
20171130T163639 gmi_85 11.1 2.5 50.7% 1.1 -1.1 n/a   45.0 kts
20171130T224132 ssmis18_85 66.6 50.6 91.8% 16.9 -31.9 n/a   48.9 kts
20171201T071732 ssmi15_85 55.5 22.8 16.4% 0.0 -0.0 n/a   50.0 kts
20171201T083206 ssmis16_85 22.2 6.1 71.2% 3.2 -3.2 n/a   50.0 kts
20171201T110529 ssmis17_85 55.5 11.7 42.5% 6.5 -6.5 n/a   50.0 kts
20171201T112005 ssmis18_85 22.2 161.8 NaN% NaN NaN n/a   50.0 kts
20171201T174810 amsr2_85 33.3 11.7 76.7% 0.0 -0.0 n/a   54.8 kts
20171201T222920 ssmis18_85 22.2 11.7 75.3% 0.0 0.0 n/a   51.3 kts
20171202T045639 gmi_85 144.3 78.4 NaN% NaN NaN n/a   45.9 kts
20171202T060349 amsr2_85 11.1 2.5 0.0% 1.6 -1.6 n/a   44.9 kts
20171202T081840 ssmis16_85 244.2 11.7 0.0% 2.0 -2.0 n/a   41.1 kts
20171202T105154 ssmis17_85 288.6 161.8 NaN% NaN NaN n/a   36.9 kts
20171202T110718 ssmis18_85 188.7 150.7 NaN% NaN NaN n/a   36.5 kts
20171202T221707 ssmis18_85 188.7 89.5 2.7% 0.6 -0.6 n/a   35.0 kts
20171203T040640 gmi_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20171203T080441 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20171203T105345 ssmis18_85 266.4 128.4 NaN% NaN NaN n/a   35.0 kts
20171203T153139 gmi_85 122.1 56.1 27.4% 0.0 -0.0 n/a   35.0 kts
20171203T173711 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20171203T220543 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   34.4 kts
20171204T054944 amsr2_85 222.0 106.2 NaN% NaN NaN n/a   30.1 kts
20171204T104037 ssmis18_85 199.8 95.1 NaN% NaN NaN n/a   30.0 kts

Key:

Diameter values indicate the estimated surface eyewall diameter (the MI eyewall edge diameter minus 10 km).

Diameter values are red if Ring % <= 65, yellow/brown if Ring % <= 85 and green if Ring % > 85.

"Ring %" is the percentage of the "ring" (eyewall inner boundary) that is 1) colder than the "hot spot" (warmest eye pixel) in the eye by 20K, or 2) the percentage that is a) colder than 232K and b) colder than the "hot spot" by 10K, whichever is greater.

"Tb diff" is the difference between the "hot spot" (warmest eye pixel) and the warmest pixel on the eyewall.

Scores are listed as negative, and not used, when the JTWC or NHC estimated Vmax is <50 kts in order to rule out weak but highly symmetric TCs.

Error messages in intensity scores: -920 is used when the hottest pixel in the eye is <200K, to prevent false positives; -909 is a failure to process (bad input data).