Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20110907T073144 amsre 67.8 1.4% 2.3 -2.3 n/a   40.0 kts
20110908T001242 ssmis16 45.6 0.0% 5.5 -5.5 n/a   40.0 kts
20110908T023952 ssmis18 212.4 NaN% NaN NaN n/a   40.0 kts
20110908T081433 amsre 212.4 2.7% 8.0 -8.0 n/a   40.9 kts
20110908T124531 ssmis16 167.9 13.2% 3.9 -3.9 n/a   46.4 kts
20110908T162844 tmi 167.9 5.5% 7.2 -7.2 n/a   58.0 kts
20110909T022734 ssmis18 78.9 9.6% 0.0 0.0 n/a   58.2 kts
20110909T085737 tmi 45.6 2.7% 4.0 4.0 n/a   55.0 kts
20110909T123314 ssmis16 56.7 17.8% 0.0 0.0 n/a   54.8 kts
20110909T150052 ssmis18 123.4 19.2% 2.8 2.8 n/a   50.0 kts
20110909T195149 amsre 67.8 0.0% 0.5 -0.5 n/a   45.0 kts
20110909T234728 ssmis16 179.0 NaN% NaN NaN n/a   45.0 kts
20110910T000327 ssmis17 201.2 24.7% 8.5 -8.5 n/a   45.0 kts
20110910T021402 ssmis18 134.5 0.0% 3.6 -3.6 n/a   45.0 kts
20110910T021532 ssmis18 134.5 0.0% 4.4 -4.4 n/a   45.0 kts
20110910T080139 tmi 212.4 20.6% 5.6 -5.6 n/a   45.0 kts
20110910T080219 amsre 101.2 0.0% 3.1 -3.1 n/a   45.0 kts
20110910T122028 ssmis16 145.7 26.0% 4.6 -4.6 n/a   45.1 kts
20110910T122548 ssmis17 179.0 NaN% NaN NaN n/a   45.1 kts
20110910T144849 ssmis18 179.0 26.0% 1.4 -1.4 n/a   49.5 kts
20110910T161234 tmi 190.1 32.9% 3.0 -3.0 n/a   52.9 kts
20110910T234906 ssmis17 212.4 9.6% 3.5 3.5 n/a   55.0 kts
20110910T235037 ssmis17 212.4 9.6% 3.6 3.6 n/a   55.0 kts
20110911T020153 ssmis18 78.9 15.1% 1.7 1.7 n/a   54.2 kts
20110911T020341 ssmis18 78.9 12.3% 1.5 1.5 n/a   54.2 kts
20110911T122340 ssmis17 134.5 0.0% 5.3 -5.3 n/a   39.6 kts
20110911T143659 ssmis18 45.6 0.0% 4.3 -4.3 n/a   37.8 kts
20110911T151449 tmi 23.4 0.0% 3.1 -3.1 n/a   37.3 kts
20110911T193958 amsre 12.2 0.0% 0.0 -0.0 n/a   32.1 kts
20110911T233709 ssmis17 212.4 0.0% 1.0 -1.0 n/a   25.1 kts
20110912T010338 ssmis16 134.5 0.0% 1.8 -1.8 n/a   25.0 kts
20110912T074644 tmi 167.9 NaN% NaN NaN n/a   23.4 kts
20110912T121102 ssmis17 201.2 NaN% NaN NaN n/a   20.0 kts
20110912T133617 ssmis16 5.0 0.0% 2.3 -2.3 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.