Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170721T140131 amsr2_85 122.1 89.5 NaN% NaN NaN n/a   35.0 kts
20170721T145026 ssmi15_85 166.5 161.8 NaN% NaN NaN n/a   35.0 kts
20170721T162813 ssmis16_85 77.7 61.7 NaN% NaN NaN n/a   35.0 kts
20170721T193056 ssmis17_85 144.3 67.3 11.0% 0.0 -0.0 n/a   36.3 kts
20170721T193301 ssmis18_85 144.3 67.3 9.6% 0.0 -0.0 n/a   36.3 kts
20170722T034759 ssmis16_85 111.0 56.1 27.4% 5.6 -5.6 n/a   46.3 kts
20170722T035639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   46.6 kts
20170722T065101 ssmis17_85 99.9 50.6 NaN% NaN NaN n/a   50.0 kts
20170722T065332 ssmis18_85 111.0 39.5 NaN% NaN NaN n/a   50.0 kts
20170722T161525 ssmi15_85 333.0 161.8 NaN% NaN NaN n/a   42.9 kts
20170722T191802 ssmis17_85 133.2 61.7 13.7% 4.6 -4.6 n/a   38.9 kts
20170722T192056 ssmis18_85 144.3 67.3 6.8% 4.2 -4.2 n/a   38.9 kts
20170723T033348 ssmi15_85 155.4 72.8 12.3% 4.7 -4.7 n/a   35.0 kts
20170723T043640 gmi_85 133.2 61.7 16.4% 2.1 -2.1 n/a   35.0 kts
20170723T063804 ssmis17_85 144.3 67.3 9.6% 6.4 -6.4 n/a   35.5 kts
20170723T064121 ssmis18_85 144.3 67.3 9.6% 7.2 -7.2 n/a   35.6 kts
20170723T142139 gmi_85 133.2 61.7 5.5% 4.7 -4.7 n/a   40.0 kts
20170723T155903 ssmi15_85 210.9 100.6 1.4% 3.5 -3.5 n/a   40.0 kts
20170724T031830 ssmi15_85 33.3 11.7 17.8% 5.4 -5.4 n/a   45.0 kts
20170724T050331 ssmis16_85 33.3 11.7 23.3% 9.3 -9.3 n/a   45.0 kts
20170724T172919 ssmis16_85 77.7 39.5 6.8% 1.0 -1.0 n/a   35.9 kts
20170724T203154 ssmis17_85 66.6 28.4 6.8% 4.2 -4.2 n/a   35.0 kts
20170724T203635 ssmis18_85 66.6 28.4 8.2% 3.9 -3.9 n/a   35.0 kts
20170725T042639 gmi_85 33.3 39.5 2.7% 7.6 -7.6 n/a   35.0 kts
20170725T045052 ssmis16_85 44.4 72.8 1.4% 10.1 -10.1 n/a   35.0 kts
20170725T075313 ssmis17_85 233.1 111.7 0.0% 10.5 -10.5 n/a   33.4 kts
20170725T075820 ssmis18_85 233.1 106.2 0.0% 9.2 -9.2 n/a   33.4 kts
20170725T141139 gmi_85 277.5 134.0 0.0% 11.9 -11.9 n/a   30.0 kts
20170725T151438 amsr2_85 288.6 139.5 0.0% 10.5 -10.5 n/a   30.0 kts
20170725T170812 ssmi15_85 288.6 139.5 0.0% 15.0 -15.0 n/a   30.0 kts
20170725T201919 ssmis17_85 288.6 139.5 NaN% NaN NaN n/a   28.1 kts
20170725T202452 ssmis18_85 288.6 139.5 NaN% NaN NaN n/a   28.0 kts
20170726T042729 ssmi15_85 299.7 145.1 NaN% NaN NaN n/a   24.2 kts
20170726T074543 ssmis18_85 210.9 100.6 NaN% NaN NaN n/a   22.4 kts
20170726T155758 amsr2_85 22.2 6.1 0.0% 5.7 -5.7 n/a   20.0 kts
20170726T165249 ssmi15_85 11.1 2.5 0.0% 1.0 -1.0 n/a   20.0 kts
20170726T184508 ssmis16_85 33.3 11.7 0.0% 1.8 -1.8 n/a   20.0 kts
20170727T041131 ssmi15_85 77.7 33.9 NaN% NaN NaN n/a   20.0 kts
20170727T041639 gmi_85 277.5 134.0 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).