Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20120229T053519 ssmi15 NaN 50.7% 0.0 -920.0 n/a   35.0 kts
20120229T153103 ssmis16 134.5 68.5% 1.4 -1.4 n/a   40.2 kts
20120301T024204 ssmis16 45.6 61.6% 20.8 20.8 >65 kts   59.4 kts
20120301T024940 ssmis17 34.5 53.4% 15.3 15.3 n/a   59.3 kts
20120301T052336 ssmis18 5.0 0.0% 0.0 0.0 n/a   57.9 kts
20120301T052341 ssmi15 5.0 0.0% 0.8 0.8 n/a   57.9 kts
20120301T151708 ssmis16 23.4 42.5% 8.8 8.8 n/a   55.0 kts
20120301T152329 ssmis17 23.4 54.8% 7.9 7.9 n/a   55.0 kts
20120301T175738 ssmi15 12.2 91.8% 17.8 32.8 >65 kts   55.0 kts
20120301T175738 ssmis18 12.2 100.0% 20.2 35.2 >65 kts   55.0 kts
20120301T190237 tmi 12.2 100.0% 23.3 38.3 >65 kts   55.0 kts
20120302T023214 ssmis16 12.2 75.3% 3.1 3.1 n/a   54.7 kts
20120302T023809 ssmis17 5.0 31.5% 0.0 0.0 n/a   54.7 kts
20120302T051250 ssmis18 34.5 76.7% 9.0 9.0 n/a   53.8 kts
20120302T150531 ssmis17 212.4 NaN% NaN NaN n/a   46.5 kts
20120302T172337 ssmis18 90.1 24.7% 1.4 -1.4 n/a   42.6 kts
20120302T194401 tmi 34.5 17.8% 0.7 -0.7 n/a   38.7 kts
20120303T021622 tmi 90.1 26.0% 2.3 -2.3 n/a   35.3 kts
20120303T044534 ssmis18 112.3 9.6% 0.2 -0.2 n/a   36.3 kts
20120303T162400 ssmis16 34.5 0.0% 3.1 -3.1 n/a   42.3 kts
20120303T162401 ssmis16 34.5 0.0% 3.2 -3.2 n/a   42.3 kts
20120304T011941 tmi 67.8 8.2% 7.1 -7.1 n/a   44.8 kts
20120304T033326 ssmis16 78.9 0.0% 6.2 -6.2 n/a   43.9 kts
20120304T161811 ssmis16 34.5 45.2% 14.0 -14.0 n/a   42.9 kts
20120304T161814 ssmis16 34.5 41.1% 14.3 -14.3 n/a   42.9 kts
20120304T192947 tmi 67.8 32.9% 1.1 -1.1 n/a   46.8 kts
20120305T002345 tmi 34.5 20.6% 5.6 -5.6 n/a   50.0 kts
20120305T033715 ssmis16 12.2 16.4% 0.0 -0.0 n/a   50.0 kts
20120305T033718 ssmis16 12.2 0.0% 0.1 -0.1 n/a   50.0 kts
20120305T160433 ssmis16 23.4 82.2% 0.0 -0.0 n/a   48.7 kts
20120305T161045 ssmis17 12.2 67.1% 0.0 -0.0 n/a   48.6 kts
20120305T183457 tmi 67.8 9.6% 7.5 -7.5 n/a   47.1 kts
20120305T201247 tmi 78.9 21.9% 5.3 -5.3 n/a   46.2 kts
20120305T232835 tmi 5.0 0.0% 0.0 -0.0 n/a   45.0 kts
20120306T032305 ssmis16 112.3 6.8% 6.9 -6.9 n/a   45.0 kts
20120306T153509 ssmis16 34.5 38.4% 3.5 -3.5 n/a   42.9 kts
20120306T155634 ssmis17 -919.0 -999.0% -999.0 -909.0 n/a   42.5 kts
20120306T191745 tmi 67.8 2.7% 10.1 -10.1 n/a   38.4 kts
20120306T223333 tmi 56.7 4.1% 3.9 -3.9 n/a   35.4 kts
20120307T031130 ssmis16 5.0 16.4% 0.0 -0.0 n/a   36.7 kts
20120307T150542 ssmis16 34.5 42.5% 1.0 -1.0 n/a   45.0 kts
20120307T153355 ssmis17 34.5 34.2% 1.9 -1.9 n/a   45.0 kts
20120307T182203 tmi 34.5 16.4% 7.0 -7.0 n/a   45.0 kts
20120307T182352 ssmis18 34.5 NaN% NaN NaN n/a   45.0 kts
20120307T213753 tmi 78.9 NaN% NaN NaN n/a   45.0 kts
20120307T231554 tmi 56.7 27.4% 12.7 -12.7 n/a   45.0 kts
20120308T025835 ssmis16 23.4 35.6% 4.0 -4.0 n/a   45.0 kts
20120308T030435 ssmis17 34.5 56.2% 9.6 -9.6 n/a   45.0 kts
20120308T052737 ssmis18 34.5 NaN% NaN NaN n/a   45.0 kts
20120308T153216 ssmis17 23.4 16.4% 8.0 -8.0 n/a   44.3 kts
20120308T172557 tmi 45.6 9.6% 4.9 -4.9 n/a   43.4 kts
20120308T181134 ssmis18 12.2 26.0% 0.6 -0.6 n/a   43.0 kts
20120308T221956 tmi 12.2 0.0% 0.0 -0.0 n/a   40.8 kts
20120309T024613 ssmis16 67.8 16.4% 0.8 -0.8 n/a   38.8 kts
20120309T025142 ssmis17 145.7 6.8% 0.0 -0.0 n/a   38.8 kts
20120309T050417 ssmis18 12.2 49.3% 0.0 -0.0 n/a   37.9 kts
20120309T144747 ssmis17 212.4 NaN% NaN NaN n/a   33.6 kts
20120309T163021 tmi 5.0 50.7% 0.0 -0.0 n/a   32.7 kts
20120309T173440 ssmis18 201.2 NaN% NaN NaN n/a   32.1 kts
20120309T212354 tmi 190.1 0.0% 7.2 -7.2 n/a   30.4 kts
20120310T021907 ssmis17 201.2 0.0% 4.4 -4.4 n/a   30.0 kts
20120310T051426 ssmis18 156.8 0.0% 2.1 -2.1 n/a   29.6 kts
20120310T144533 ssmis17 212.4 0.0% 3.0 -3.0 n/a   25.0 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.