Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170720T181750 amsr2_85 33.3 22.8 12.3% 2.7 -2.7 n/a   30.0 kts
20170721T074640 gmi_85 111.0 50.6 0.0% 3.4 -3.4 n/a   30.0 kts
20170721T102455 ssmis17_85 77.7 33.9 0.0% 3.9 -3.9 n/a   30.0 kts
20170721T102631 ssmis18_85 99.9 50.6 1.4% 3.3 -3.3 n/a   30.0 kts
20170721T225843 ssmis17_85 122.1 56.1 18.5% 3.8 -3.8 n/a   25.0 kts
20170721T230052 ssmis18_85 222.0 50.6 26.0% 4.2 -4.2 n/a   25.0 kts
20170722T070934 ssmi15_85 44.4 17.2 31.5% 0.0 -0.0 n/a   30.0 kts
20170722T182140 gmi_85 44.4 17.2 0.0% 3.2 -3.2 n/a   30.3 kts
20170722T194214 ssmi15_85 144.3 67.3 19.2% 5.3 -5.3 n/a   31.4 kts
20170722T224530 ssmis17_85 133.2 33.9 30.1% 2.1 -2.1 n/a   34.0 kts
20170722T224830 ssmis18_85 88.8 33.9 30.1% 2.8 -2.8 n/a   34.0 kts
20170723T065347 ssmi15_85 144.3 67.3 8.2% 7.9 -7.9 n/a   35.0 kts
20170723T073640 gmi_85 133.2 61.7 11.0% 6.0 -6.0 n/a   35.0 kts
20170723T083620 ssmis16_85 144.3 6.1 NaN% NaN NaN n/a   35.0 kts
20170723T192640 ssmi15_85 233.1 111.7 1.4% 8.4 -8.4 n/a   36.2 kts
20170723T211041 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   37.6 kts
20170724T054113 amsr2_85 155.4 72.8 39.7% 4.0 -4.0 n/a   40.0 kts
20170724T082300 ssmis16_85 77.7 28.4 28.8% 0.0 -0.0 n/a   40.0 kts
20170724T112554 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   40.0 kts
20170724T175329 amsr2_85 22.2 6.1 NaN% NaN NaN n/a   44.9 kts
20170724T181140 gmi_85 33.3 33.9 5.5% 8.4 -8.4 n/a   45.0 kts
20170724T191032 ssmi15_85 55.5 22.8 17.8% 3.5 -3.5 n/a   45.0 kts
20170724T205734 ssmis16_85 88.8 33.9 37.0% 0.0 -0.0 n/a   45.0 kts
20170725T062411 amsr2_85 55.5 22.8 7.1% 7.6 -7.6 n/a   40.0 kts
20170725T072639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   40.0 kts
20170725T081004 ssmis16_85 77.7 33.9 15.1% 0.0 -0.0 n/a   40.0 kts
20170725T111232 ssmis17_85 111.0 50.6 31.3% 1.5 -1.5 n/a   37.5 kts
20170725T111742 ssmis18_85 99.9 45.0 31.9% 2.7 -2.7 n/a   37.5 kts
20170725T183636 amsr2_85 33.3 11.7 58.9% 0.0 -0.0 n/a   29.5 kts
20170725T204437 ssmis16_85 22.2 6.1 0.0% 1.8 -1.8 n/a   27.7 kts
20170725T234652 ssmis17_85 44.4 17.2 15.1% 8.8 -8.8 n/a   25.2 kts
20170725T235235 ssmis18_85 44.4 17.2 28.8% 12.3 -12.3 n/a   25.1 kts
20170726T074647 ssmi15_85 44.4 17.2 0.0% 4.1 -4.1 n/a   20.0 kts
20170726T105928 ssmis17_85 66.6 28.4 0.0% 2.3 -2.3 n/a   20.0 kts
20170726T110527 ssmis18_85 66.6 28.4 0.0% 2.0 -2.0 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).