Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20180511T203806 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180512T033729 amsr2_85 11.1 6.1 NaN% NaN NaN n/a   30.0 kts
20180512T044627 ssmi15_85 199.8 111.7 11.0% 2.9 -2.9 n/a   30.0 kts
20180512T051950 ssmis16_85 177.6 95.1 16.4% 5.1 -5.1 n/a   30.0 kts
20180512T080441 ssmis18_85 188.7 89.5 NaN% NaN NaN n/a   31.7 kts
20180512T085352 ssmis17_85 333.0 145.1 15.1% 6.1 -6.1 n/a   32.4 kts
20180512T154851 amsr2_85 11.1 6.1 0.0% 3.1 -3.1 n/a   35.0 kts
20180512T171828 ssmi15_85 255.3 22.8 0.0% 2.3 -2.3 n/a   35.0 kts
20180512T175325 ssmis16_85 233.1 122.9 NaN% NaN NaN n/a   35.0 kts
20180512T203814 ssmis18_85 177.6 83.9 NaN% NaN NaN n/a   35.0 kts
20180512T212647 ssmis17_85 333.0 67.3 8.2% 1.0 -1.0 n/a   35.0 kts
20180513T014139 gmi_85 333.0 28.4 6.8% 6.2 -6.2 n/a   33.6 kts
20180513T043052 ssmi15_85 166.5 83.9 0.0% 7.9 -7.9 n/a   31.2 kts
20180513T075232 ssmis18_85 122.1 56.1 19.2% 6.0 -6.0 n/a   30.0 kts
20180513T084025 ssmis17_85 244.2 61.7 NaN% NaN NaN n/a   30.0 kts
20180513T150139 gmi_85 122.1 50.6 0.0% 6.9 -6.9 n/a   27.5 kts
20180513T163119 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   26.2 kts
20180513T170159 ssmi15_85 310.8 56.1 0.0% 5.7 -5.7 n/a   25.8 kts
20180513T202529 ssmis18_85 266.4 128.4 NaN% NaN NaN n/a   25.0 kts
20180513T211300 ssmis17_85 277.5 134.0 6.1% 4.0 -4.0 n/a   24.9 kts
20180514T032616 amsr2_85 133.2 61.7 0.0% 4.2 -4.2 n/a   21.4 kts
20180514T074032 ssmis18_85 99.9 45.0 9.0% 8.8 -8.8 n/a   20.0 kts
20180514T082812 ssmis17_85 99.9 45.0 9.6% 6.3 -6.3 n/a   20.0 kts
20180514T153519 amsr2_85 210.9 100.6 NaN% NaN NaN n/a   20.0 kts
20180514T201207 ssmis18_85 111.0 50.6 6.8% 3.7 -3.7 n/a   20.0 kts
20180514T205858 ssmis17_85 88.8 39.5 0.0% 8.1 -8.1 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).