Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning NHC estimate
20120514T154134 ssmis18 201.2 NaN% NaN NaN n/a   30.0 kts
20120514T224402 ssmi15 156.8 15.1% 3.1 -3.1 n/a   34.4 kts
20120515T004953 ssmis16 34.5 65.8% 0.0 -0.0 n/a   35.0 kts
20120515T005633 ssmis17 56.7 52.0% 1.0 -1.0 n/a   35.0 kts
20120515T010438 ssmis17 56.7 42.5% 0.0 -0.0 n/a   35.0 kts
20120515T024605 ssmis18 23.4 68.5% 0.4 -0.4 n/a   35.0 kts
20120515T025107 tmi 12.2 24.7% 2.0 -2.0 n/a   35.0 kts
20120515T112044 ssmi15 112.3 30.1% 0.0 -0.0 n/a   35.0 kts
20120515T124228 tmi 23.4 39.7% 0.0 -0.0 n/a   35.2 kts
20120515T133552 ssmis16 78.9 39.7% 0.0 -0.0 n/a   35.9 kts
20120515T151302 ssmis18 167.9 32.9% 2.9 -2.9 n/a   37.8 kts
20120516T003824 ssmis16 123.4 4.1% 4.5 -4.5 n/a   39.8 kts
20120516T005044 ssmis17 145.7 5.5% 3.9 -3.9 n/a   39.7 kts
20120516T005209 ssmis17 179.0 9.6% 5.7 -5.7 n/a   39.7 kts
20120516T015506 tmi 156.8 NaN% NaN NaN n/a   38.8 kts
20120516T114541 tmi 12.2 49.3% 1.0 -1.0 n/a   35.0 kts
20120516T132448 ssmis17 45.6 31.5% 0.9 -0.9 n/a   35.0 kts
20120516T132806 ssmis16 201.2 NaN% NaN NaN n/a   35.0 kts
20120516T151702 ssmis18 67.8 61.6% 1.2 -1.2 n/a   35.0 kts
20120517T003932 ssmis17 67.8 28.8% 4.8 -4.8 n/a   34.8 kts
20120517T032902 ssmis18 101.2 4.1% 2.6 -2.6 n/a   31.9 kts
20120517T131334 ssmis17 123.4 1.4% 5.1 -5.1 n/a   30.0 kts
20120517T131535 ssmis16 56.7 31.5% 5.8 -5.8 n/a   30.0 kts
20120517T233747 ssmi15 56.7 NaN% NaN NaN n/a   30.0 kts
20120517T233941 ssmi15 56.7 39.7% 1.2 -1.2 n/a   30.0 kts
20120518T014046 tmi 78.9 20.6% 4.7 -4.7 n/a   30.0 kts
20120518T031221 ssmis18 12.2 53.4% 4.9 -4.9 n/a   30.0 kts
20120518T130347 ssmis17 190.1 8.2% 3.7 -3.7 n/a   30.0 kts
20120518T232404 ssmi15 34.5 0.0% 4.3 -4.3 n/a   25.1 kts
20120519T034231 ssmis18 23.4 0.0% 4.2 -4.2 n/a   25.0 kts
20120519T103634 tmi 179.0 NaN% NaN NaN n/a   25.0 kts
20120519T115755 ssmi15 123.4 NaN% NaN NaN n/a   25.0 kts
20120519T124840 ssmis17 212.4 NaN% NaN NaN n/a   25.0 kts
20120519T162057 ssmis18 12.2 0.0% 2.2 -2.2 n/a   25.0 kts
20120519T230836 ssmi15 45.6 0.0% 3.8 -3.8 n/a   25.0 kts
20120520T013320 ssmis16 12.2 0.0% 2.4 -2.4 n/a   24.8 kts
20120520T024859 ssmis18 23.4 0.0% 2.0 -2.0 n/a   24.3 kts
20120520T094107 tmi 5.0 0.0% 2.9 -2.9 n/a   20.5 kts
20120520T114301 ssmi15 12.2 0.0% 2.0 -2.0 n/a   20.0 kts
20120520T160911 ssmis18 23.4 0.0% 9.1 -9.1 n/a   20.0 kts
20120520T225238 ssmi15 12.2 0.0% 8.1 -8.1 n/a   20.0 kts
20120521T003257 tmi 5.0 0.0% 3.6 -3.6 n/a   20.0 kts
20120521T012336 ssmis16 12.2 0.0% 4.1 -4.1 n/a   20.0 kts
20120521T012828 ssmis17 12.2 0.0% 2.2 -2.2 n/a   20.0 kts
20120521T012938 ssmis17 12.2 0.0% 2.9 -2.9 n/a   20.0 kts
20120521T030909 ssmis18 23.4 0.0% 2.0 -2.0 n/a   20.0 kts
20120521T031905 ssmis18 23.4 0.0% 2.1 -2.1 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.