Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20110812T213752 ssmis17 NaN 16.4% 1.8 -1.8 n/a   30.0 kts
20110812T233018 ssmis18 NaN 2.7% 3.5 -3.5 n/a   30.0 kts
20110812T233656 tmi NaN 1.4% 4.1 -4.1 n/a   30.0 kts
20110813T011506 tmi NaN 8.2% 2.7 -2.7 n/a   30.4 kts
20110813T055422 amsre NaN 78.1% 6.5 -6.5 n/a   34.9 kts
20110813T100107 ssmis17 NaN 75.3% 0.0 -0.0 n/a   39.1 kts
20110813T112459 ssmis16 NaN NaN% NaN -920.0 n/a   39.9 kts
20110813T165801 amsre NaN 18.8% 5.4 -5.4 n/a   40.0 kts
20110813T210844 ssmis16 101.2 NaN% NaN NaN n/a   37.3 kts
20110813T212604 ssmis17 90.1 NaN% NaN NaN n/a   37.0 kts
20110813T231849 ssmis18 179.0 NaN% NaN NaN n/a   35.2 kts
20110814T045745 amsre NaN 0.0% 3.2 -3.2 n/a   35.0 kts
20110814T093004 ssmis16 NaN 6.8% 4.2 -4.2 n/a   35.0 kts
20110814T094718 ssmis17 NaN 4.1% 5.4 -5.4 n/a   35.0 kts
20110814T113818 ssmis18 56.7 0.0% 11.4 -11.4 n/a   35.0 kts
20110814T160249 amsre 23.4 0.0% 13.4 -13.4 n/a   33.7 kts
20110814T191410 ssmis17 67.8 NaN% NaN NaN n/a   31.7 kts
20110814T193325 ssmis17 NaN 0.0% 2.1 -2.1 n/a   31.5 kts
20110814T205543 ssmis16 NaN 0.0% 4.7 -4.7 n/a   30.8 kts
20110814T230651 ssmis18 NaN 0.0% 3.1 -3.1 n/a   30.1 kts
20110815T091714 ssmis16 201.2 NaN% NaN NaN n/a   30.0 kts
20110815T112841 ssmis18 NaN 0.0% 0.4 -0.4 n/a   30.0 kts
20110815T150715 amsre 23.4 NaN% NaN NaN n/a   29.5 kts
20110815T191838 ssmis17 NaN 0.0% 4.8 -4.8 n/a   27.8 kts
20110815T204216 ssmis16 NaN 0.0% 8.3 -8.3 n/a   27.0 kts
20110815T205551 tmi NaN 0.0% 8.0 -8.0 n/a   26.9 kts
20110815T225405 ssmis18 NaN 0.0% 4.1 -4.1 n/a   25.7 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.