Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170819T165050 amsr2_85 111.0 6.1 NaN% NaN NaN n/a   20.0 kts
20170819T213452 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   26.0 kts
20170819T220133 ssmis18_85 188.7 78.4 13.7% 2.9 -2.9 n/a   26.7 kts
20170820T061111 ssmi15_85 88.8 83.9 NaN% NaN NaN n/a   30.2 kts
20170820T073234 ssmis16_85 155.4 67.3 5.5% 4.4 -4.4 n/a   31.3 kts
20170820T085639 gmi_85 66.6 28.4 13.7% 2.9 -2.9 n/a   32.5 kts
20170820T091627 ssmis18_85 55.5 28.4 20.6% 1.0 -1.0 n/a   32.7 kts
20170820T173351 amsr2_85 277.5 134.0 NaN% NaN NaN n/a   35.0 kts
20170820T184239 ssmi15_85 277.5 139.5 NaN% NaN NaN n/a   35.0 kts
20170820T200556 ssmis16_85 333.0 145.1 NaN% NaN NaN n/a   35.0 kts
20170820T214931 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20170820T221139 gmi_85 111.0 161.8 NaN% NaN NaN n/a   35.0 kts
20170821T055531 ssmi15_85 310.8 156.2 NaN% NaN NaN n/a   35.0 kts
20170821T072004 ssmis16_85 277.5 134.0 9.6% 1.2 -1.2 n/a   35.0 kts
20170821T101657 ssmis17_85 333.0 150.7 NaN% NaN NaN n/a   35.0 kts
20170821T182641 ssmi15_85 321.9 156.2 NaN% NaN NaN n/a   45.0 kts
20170821T195302 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   45.0 kts
20170821T224923 ssmis17_85 299.7 145.1 NaN% NaN NaN n/a   45.0 kts
20170822T051127 amsr2_85 99.9 45.0 100.0% 28.1 -43.1 n/a   58.0 kts
20170822T084139 gmi_85 66.6 33.9 53.4% 16.1 16.1 n/a   62.2 kts
20170822T100356 ssmis17_85 88.8 39.5 100.0% 32.2 47.2 >65 kts   63.4 kts
20170822T103259 ssmis18_85 77.7 33.9 100.0% 31.0 46.0 >65 kts   63.8 kts
20170822T220140 gmi_85 333.0 161.8 NaN% NaN NaN n/a   78.4 kts
20170822T223605 ssmis17_85 77.7 33.9 100.0% 57.2 72.2 >85 kts# 80.3 kts
20170822T230524 ssmis18_85 88.8 39.5 100.0% 69.2 84.2 >85 kts# 82.0 kts
20170823T055450 amsr2_85 33.3 11.7 69.9% 5.9 5.9 n/a   85.0 kts
20170823T070521 ssmi15_85 11.1 NaN 31.5% 0.0 -920.0 n/a   85.0 kts
20170823T083606 ssmis16_85 99.9 45.0 43.8% 0.3 0.3 n/a   85.0 kts
20170823T102116 ssmis18_85 33.3 11.7 97.3% 10.3 25.3 >65 kts   81.2 kts
20170823T180411 amsr2_85 55.5 22.8 72.6% 10.9 10.9 n/a   59.9 kts
20170823T193528 ssmi15_85 22.2 6.1 0.0% 8.2 8.2 n/a   56.7 kts
20170823T210721 ssmis16_85 66.6 28.4 0.0% 5.1 -5.1 n/a   53.5 kts
20170823T224639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   50.0 kts
20170823T225251 ssmis18_85 277.5 134.0 NaN% NaN NaN n/a   49.8 kts
20170824T000338 ssmis17_85 33.3 11.7 0.0% 8.3 -8.3 n/a   47.4 kts
20170824T063828 amsr2_85 33.3 11.7 23.3% 4.0 -4.0 n/a   34.2 kts
20170824T082331 ssmis16_85 122.1 56.1 12.3% 6.6 -6.6 n/a   32.0 kts
20170824T111927 ssmis17_85 55.5 22.8 0.0% 9.4 -9.4 n/a   28.3 kts
20170824T184717 amsr2_85 133.2 61.7 1.4% 4.1 -4.1 n/a   20.0 kts
20170824T205427 ssmis16_85 177.6 83.9 NaN% NaN NaN n/a   20.0 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).