Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20131020T181240 ssmis16 34.5 86.3% 15.0 -30.0 n/a   30.2 kts
20131020T191939 ssmis17 56.7 86.3% 11.2 -26.2 n/a   31.9 kts
20131021T071809 tmi 56.7 38.4% 15.0 -15.0 n/a   46.7 kts
20131021T092553 ssmis18 67.8 100.0% 31.1 -46.1 n/a   50.4 kts
20131021T190600 ssmis17 23.4 100.0% 40.6 55.6 >65 kts   66.7 kts
20131021T220247 ssmis18 23.4 100.0% 43.3 58.3 >65 kts   71.0 kts
20131022T044540 ssmi15 12.2 100.0% 38.0 53.0 >65 kts   99.1 kts
20131022T065142 ssmis16 12.2 100.0% 65.3 80.3 >85 kts# 108.3 kts
20131022T083755 ssmis18 12.2 100.0% 51.3 66.3 >85 kts# 114.6 kts
20131022T161106 tmi 12.2 100.0% 59.8 74.8 >85 kts# 137.8 kts
20131022T171903 ssmi15 12.2 100.0% 38.6 53.6 >65 kts   139.7 kts
20131022T192607 ssmis16 12.2 100.0% 41.6 56.6 >65 kts   140.0 kts
20131022T213758 ssmis18 5.0 100.0% 57.0 72.0 >85 kts# 140.0 kts
20131023T043116 ssmi15 12.2 100.0% 54.8 69.8 >85 kts# 140.0 kts
20131023T063952 ssmis16 23.4 100.0% 61.0 76.0 >85 kts# 140.0 kts
20131023T072218 ssmis17 23.4 100.0% 57.5 72.5 >85 kts# 140.0 kts
20131023T151424 tmi 34.5 100.0% 69.4 84.4 >85 kts# 140.0 kts
20131023T170306 ssmi15 23.4 NaN% NaN NaN n/a   140.0 kts
20131023T190617 ssmis16 34.5 100.0% 67.0 82.0 >85 kts# 140.0 kts
20131023T201943 ssmis17 34.5 100.0% 61.0 76.0 >85 kts# 140.0 kts
20131024T064138 ssmis17 34.5 100.0% 36.2 51.2 >65 kts   130.0 kts
20131024T074459 tmi 34.5 100.0% 41.0 56.0 >65 kts   130.0 kts
20131024T141739 tmi 101.2 NaN% NaN NaN n/a   125.1 kts
20131024T195332 ssmis17 101.2 100.0% 72.6 87.6 >85 kts# 115.0 kts
20131024T230444 ssmis18 67.8 100.0% 54.2 69.2 >85 kts# 115.0 kts
20131025T054310 ssmi15 101.2 NaN% NaN NaN n/a   105.3 kts
20131025T063036 ssmis17 123.4 NaN% NaN NaN n/a   104.5 kts
20131025T082751 tmi 101.2 100.0% 40.3 55.3 >65 kts   102.9 kts
20131025T132148 tmi 123.4 100.0% 29.7 44.7 >65 kts   97.8 kts
20131025T180923 ssmi15 67.8 0.0% 2.5 2.5 n/a   90.0 kts
20131025T195038 ssmis17 156.8 NaN% NaN NaN n/a   90.0 kts
20131025T223832 ssmis18 179.0 9.6% 2.3 2.3 n/a   88.7 kts
20131026T060547 ssmis16 301.3 0.0% 7.8 7.8 n/a   69.8 kts
20131026T064805 ssmis17 312.4 NaN% NaN NaN n/a   68.5 kts
20131026T091222 tmi 67.8 NaN% NaN NaN n/a   64.0 kts
20131026T105011 tmi 323.5 NaN% NaN NaN n/a   61.1 kts
20131026T182823 ssmis16 101.2 0.0% 4.3 -4.3 n/a   50.0 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).