Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170731T143900 amsr2_85 33.3 17.2 2.7% 4.1 -4.1 n/a   25.0 kts
20170801T013139 gmi_85 88.8 39.5 0.0% 3.6 -3.6 n/a   25.0 kts
20170801T045806 ssmis16_85 233.1 100.6 4.5% 3.8 -3.8 n/a   25.0 kts
20170801T172732 ssmis16_85 177.6 89.5 5.5% 3.6 -3.6 n/a   30.0 kts
20170802T044446 ssmis16_85 277.5 106.2 NaN% NaN NaN n/a   30.0 kts
20170802T142645 amsr2_85 233.1 111.7 NaN% NaN NaN n/a   35.0 kts
20170802T171352 ssmis16_85 222.0 145.1 NaN% NaN NaN n/a   35.0 kts
20170802T201445 ssmis17_85 233.1 111.7 8.2% 4.4 -4.4 n/a   35.0 kts
20170803T012140 gmi_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20170803T043151 ssmis16_85 266.4 128.4 NaN% NaN NaN n/a   35.0 kts
20170803T073258 ssmis17_85 199.8 95.1 NaN% NaN NaN n/a   36.3 kts
20170803T074553 ssmis18_85 22.2 161.8 NaN% NaN NaN n/a   36.5 kts
20170803T111139 gmi_85 199.8 61.7 2.7% 1.4 -1.4 n/a   39.3 kts
20170803T150927 amsr2_85 255.3 95.1 15.1% 2.8 -2.8 n/a   40.0 kts
20170803T162638 ssmi15_85 199.8 100.6 17.8% 4.9 -4.9 n/a   40.0 kts
20170803T170050 ssmis16_85 177.6 95.1 21.9% 2.5 -2.5 n/a   40.0 kts
20170803T200103 ssmis17_85 310.8 150.7 NaN% NaN NaN n/a   40.0 kts
20170803T201420 ssmis18_85 299.7 139.5 NaN% NaN NaN n/a   40.0 kts
20170804T020813 amsr2_85 44.4 17.2 0.0% 2.5 -2.5 n/a   40.0 kts
20170804T034348 ssmi15_85 244.2 117.3 11.0% 4.7 -4.7 n/a   40.0 kts
20170804T041932 ssmis16_85 166.5 83.9 1.4% 0.8 -0.8 n/a   40.0 kts
20170804T071956 ssmis17_85 266.4 128.4 NaN% NaN NaN n/a   40.0 kts
20170804T073344 ssmis18_85 288.6 139.5 NaN% NaN NaN n/a   40.0 kts
20170804T161002 ssmi15_85 321.9 156.2 NaN% NaN NaN n/a   40.0 kts
20170804T194706 ssmis17_85 77.7 33.9 0.0% 4.6 -4.6 n/a   38.5 kts
20170804T200049 ssmis18_85 333.0 156.2 NaN% NaN NaN n/a   38.3 kts
20170805T011639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   33.9 kts
20170805T040742 ssmis16_85 266.4 122.9 NaN% NaN NaN n/a   31.6 kts
20170805T070655 ssmis17_85 222.0 106.2 18.3% 2.8 -2.8 n/a   29.1 kts
20170805T072247 ssmis18_85 210.9 106.2 19.2% 4.4 -4.4 n/a   28.9 kts
20170805T145451 amsr2_85 277.5 134.0 NaN% NaN NaN n/a   25.0 kts
20170805T181302 ssmis16_85 299.7 145.1 NaN% NaN NaN n/a   25.0 kts
20170805T194648 ssmis18_85 177.6 83.9 9.4% 0.8 -0.8 n/a   25.0 kts
20170806T015859 amsr2_85 22.2 6.1 0.0% 0.8 -0.8 n/a   24.2 kts
20170806T031519 ssmi15_85 44.4 17.2 0.0% 1.4 -1.4 n/a   23.6 kts
20170806T065629 ssmis17_85 122.1 56.1 0.0% 1.6 -1.6 n/a   22.1 kts
20170806T071159 ssmis18_85 122.1 56.1 NaN% NaN NaN n/a   22.0 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).