Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110906T164133 amsre 12.2 39.7% 0.0 -0.0 n/a   35.0 kts
20110906T201548 ssmis17 90.1 NaN% NaN NaN n/a   35.0 kts
20110906T214039 ssmis16 23.4 74.0% 0.0 -0.0 n/a   35.0 kts
20110907T015812 tmi 123.4 32.9% 7.8 -7.8 n/a   35.0 kts
20110907T085549 ssmis16 134.5 38.4% 1.6 -1.6 n/a   41.7 kts
20110907T104917 ssmis18 78.9 35.6% 1.7 -1.7 n/a   44.5 kts
20110907T182943 tmi 323.5 NaN% NaN NaN n/a   44.9 kts
20110907T212719 ssmis16 323.5 NaN% NaN NaN n/a   41.9 kts
20110907T235350 ssmis18 23.4 0.0% 1.5 -1.5 n/a   40.0 kts
20110908T010144 tmi 123.4 0.0% 10.3 -10.3 n/a   40.0 kts
20110908T042003 amsre 23.4 0.0% 3.0 -3.0 n/a   40.0 kts
20110908T042005 amsre 23.4 0.0% 3.0 -3.0 n/a   40.0 kts
20110908T084427 ssmis16 78.9 0.0% 1.5 -1.5 n/a   38.4 kts
20110908T090028 ssmis17 -919.0 -999.0% -999.0 -909.0 n/a   38.1 kts
20110908T111128 ssmis18 90.1 0.0% 3.1 -3.1 n/a   35.8 kts
20110908T191100 tmi 34.5 0.0% 2.7 -2.7 n/a   28.9 kts
20110908T212936 ssmis17 23.4 0.0% 2.4 -2.4 n/a   26.4 kts
20110909T000323 tmi 12.2 0.0% 5.3 -5.3 n/a   25.0 kts
20110909T050422 amsre 90.1 0.0% 4.2 -4.2 n/a   25.0 kts
20110909T084842 ssmis17 78.9 0.0% 1.5 -1.5 n/a   25.0 kts
20110909T103524 ssmis18 90.1 0.0% 2.8 -2.8 n/a   25.0 kts
20110909T170945 amsre 12.2 48.0% 0.0 -0.0 n/a   25.0 kts
20110909T195107 tmi 12.2 23.3% 0.0 -0.0 n/a   25.0 kts
20110909T224119 ssmis16 323.5 NaN% NaN NaN n/a   25.0 kts
20110909T230644 tmi 12.2 17.8% 0.8 -0.8 n/a   25.0 kts
20110909T232350 ssmis18 45.6 NaN% NaN NaN n/a   25.0 kts
20110910T083643 ssmis17 256.8 4.1% 2.8 -2.8 n/a   22.2 kts
20110910T100215 ssmis16 5.0 42.5% 0.0 -0.0 n/a   21.2 kts
20110910T100219 ssmis16 5.0 23.3% 0.0 -0.0 n/a   21.2 kts
20110910T100634 ssmis18 34.5 21.9% 1.4 -1.4 n/a   21.1 kts
20110910T175149 amsre 301.3 NaN% NaN NaN n/a   17.3 kts
20110910T185511 tmi 323.5 NaN% NaN NaN n/a   16.9 kts
20110910T203304 tmi 301.3 NaN% NaN NaN n/a   16.3 kts
20110910T210234 ssmis17 179.0 NaN% NaN NaN n/a   16.1 kts
20110910T221056 tmi 12.2 90.4% 5.5 -20.5 n/a   15.6 kts
20110910T222734 ssmis16 323.5 NaN% NaN NaN n/a   15.5 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.