Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110914T194150 ssmis16 12.2 68.5% 0.0 -0.0 n/a   30.0 kts
20110914T222932 ssmis18 179.0 NaN% NaN NaN n/a   30.0 kts
20110915T024648 amsre 78.9 49.3% 0.1 -0.1 n/a   34.5 kts
20110915T064829 ssmis17 23.4 8.2% 7.8 -7.8 n/a   39.8 kts
20110915T071355 ssmis16 179.0 39.7% 9.4 -9.4 n/a   39.5 kts
20110915T094002 ssmis18 45.6 4.1% 5.4 -5.4 n/a   36.7 kts
20110915T124411 tmi -919.0 -999.0% -999.0 -909.0 n/a   35.4 kts
20110915T194525 ssmis16 190.1 NaN% NaN NaN n/a   45.0 kts
20110915T200101 ssmis17 223.5 20.6% 1.1 -1.1 n/a   45.0 kts
20110915T221014 ssmis18 112.3 26.0% 5.3 -5.3 n/a   45.0 kts
20110916T033001 amsre 23.4 19.2% 4.1 -4.1 n/a   45.0 kts
20110916T033007 amsre 12.2 19.2% 4.7 -4.7 n/a   45.0 kts
20110916T063044 ssmis17 56.7 32.9% 4.9 -4.9 n/a   45.0 kts
20110916T093352 ssmis18 78.9 4.1% 3.3 -3.3 n/a   45.0 kts
20110916T132530 tmi 12.2 45.2% 2.7 -2.7 n/a   45.0 kts
20110916T194823 ssmis17 23.4 41.1% 9.6 -9.6 n/a   45.7 kts
20110916T195802 tmi 23.4 11.0% 10.9 -10.9 n/a   45.8 kts
20110916T211348 ssmis16 45.6 NaN% NaN NaN n/a   46.9 kts
20110916T220513 ssmis18 23.4 100.0% 21.7 -36.7 n/a   47.8 kts
20110917T065636 ssmis17 34.5 100.0% 28.9 -43.9 n/a   61.1 kts
20110917T083057 ssmis16 34.5 100.0% 28.9 43.9 >65 kts   62.8 kts
20110917T140706 tmi 34.5 49.3% 17.9 17.9 n/a   65.0 kts
20110917T162056 amsre 34.5 100.0% 39.7 54.7 >65 kts   65.0 kts
20110917T190107 tmi 34.5 100.0% 31.2 46.2 >65 kts   65.0 kts
20110917T205959 ssmis16 12.2 89.0% 16.2 31.2 >65 kts   65.0 kts
20110918T031951 amsre 12.2 100.0% 38.5 53.5 >65 kts   69.5 kts
20110918T081929 ssmis16 12.2 100.0% 32.6 47.6 >65 kts   79.8 kts
20110918T144937 tmi 12.2 49.3% 7.2 7.2 n/a   85.0 kts
20110918T162729 tmi 12.2 11.0% 17.1 17.1 n/a   85.0 kts
20110918T180514 tmi 101.2 43.8% 12.0 12.0 n/a   85.0 kts
20110918T204545 ssmis16 56.7 58.9% 18.1 18.1 n/a   85.0 kts
20110918T210117 ssmis17 90.1 100.0% 21.6 36.6 >65 kts   85.0 kts
20110918T231923 ssmis18 78.9 100.0% 35.5 50.5 >65 kts   85.0 kts
20110919T040423 amsre -919.0 -999.0% -999.0 -909.0 n/a   82.0 kts
20110919T080824 ssmis16 56.7 100.0% 37.5 52.5 >65 kts   78.4 kts
20110919T153342 tmi 56.7 41.1% 9.2 9.2 n/a   68.9 kts
20110919T160521 amsre 56.7 61.6% 19.0 19.0 n/a   67.9 kts
20110919T203106 ssmis16 134.5 41.1% 1.0 1.0 n/a   62.2 kts
20110920T031007 amsre 145.7 NaN% NaN NaN n/a   60.0 kts
20110920T063040 ssmis17 223.5 16.4% 3.7 3.7 n/a   57.1 kts
20110920T081816 ssmis18 234.6 17.8% 5.2 -5.2 n/a   54.5 kts
20110920T150840 amsre 23.4 0.0% 0.5 -0.5 n/a   48.1 kts
20110920T185104 ssmis17 112.3 0.0% 0.0 -0.0 n/a   46.2 kts
20110920T211049 ssmis18 12.2 0.0% 0.8 -0.8 n/a   45.4 kts
20110921T003656 amsre 245.7 NaN% NaN NaN n/a   45.0 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.