Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110926T081124 ssmis17 5.0 0.0% 1.2 -1.2 n/a   25.0 kts
20110926T102307 ssmis18 256.8 6.8% 4.7 -4.7 n/a   25.0 kts
20110926T204947 ssmis16 67.8 15.1% 3.4 -3.4 n/a   25.0 kts
20110927T075113 ssmis17 112.3 31.5% 1.4 -1.4 n/a   25.0 kts
20110927T080434 tmi 112.3 23.3% 1.5 -1.5 n/a   25.0 kts
20110927T102611 ssmis18 267.9 37.5% 6.6 -6.6 n/a   25.0 kts
20110927T161558 tmi 34.5 17.8% 2.6 -2.6 n/a   28.3 kts
20110927T170013 amsre 90.1 8.2% 2.2 -2.2 n/a   29.1 kts
20110927T205157 ssmis17 101.2 24.7% 0.0 -0.0 n/a   32.4 kts
20110927T231637 ssmis18 5.0 64.4% 4.5 -4.5 n/a   34.4 kts
20110928T035355 amsre 34.5 23.3% 12.4 -12.4 n/a   38.0 kts
20110928T035356 amsre 34.5 27.4% 13.2 -13.2 n/a   38.0 kts
20110928T070833 tmi 45.6 49.2% 19.4 -19.4 n/a   41.6 kts
20110928T074825 ssmis17 45.6 100.0% 23.5 -38.5 n/a   42.7 kts
20110928T091330 ssmis16 34.5 31.5% 14.2 -14.2 n/a   45.4 kts
20110928T101620 ssmis18 23.4 21.9% 11.1 -11.1 n/a   47.4 kts
20110928T151956 tmi 5.0 31.5% 0.0 -0.0 n/a   52.7 kts
20110928T203940 ssmis17 34.5 34.2% 10.9 10.9 n/a   60.1 kts
20110928T230504 ssmis18 45.6 63.0% 0.3 0.3 n/a   64.5 kts
20110929T043634 amsre 34.5 42.5% 19.5 19.5 n/a   65.0 kts
20110929T083150 ssmis16 45.6 100.0% 28.4 43.5 >65 kts   66.2 kts
20110929T160105 tmi -919.0 -999.0% -999.0 -909.0 n/a   77.9 kts
20110929T164830 amsre 23.4 56.2% 20.1 20.1 >65 kts   79.2 kts
20110929T215318 ssmis16 23.4 86.3% 13.8 28.8 >65 kts   80.0 kts
20110930T051940 amsre 12.2 100.0% 31.4 46.4 >65 kts   93.0 kts
20110930T065416 tmi 23.4 100.0% 54.3 69.3 >85 kts# 98.1 kts
20110930T092123 ssmis17 12.2 100.0% 42.2 57.2 >65 kts   108.6 kts
20110930T114800 ssmis18 12.2 100.0% 52.4 67.4 >85 kts# 115.0 kts
20110930T150409 tmi 12.2 100.0% 60.9 75.9 >85 kts# 115.0 kts
20110930T173132 amsre 12.2 100.0% 57.8 72.8 >85 kts# 115.0 kts
20110930T214104 ssmis16 12.2 100.0% 32.1 47.1 >65 kts   125.0 kts
20110930T215551 ssmis17 12.2 100.0% 30.4 45.4 >65 kts   125.9 kts
20111001T001332 ssmis18 12.2 100.0% 31.4 46.4 >65 kts   129.9 kts
20111001T090833 ssmis17 34.5 58.9% 8.9 8.9 n/a   92.7 kts
20111001T113551 ssmis18 323.5 NaN% NaN NaN n/a   85.6 kts
20111001T154507 tmi 201.2 30.2% 3.8 3.8 n/a   81.9 kts
20111001T181510 amsre 134.5 NaN% NaN NaN n/a   79.7 kts
20111001T212335 ssmis17 156.8 NaN% NaN NaN n/a   75.0 kts
20111001T230956 ssmis16 323.5 NaN% NaN NaN n/a   71.7 kts
20111001T235156 ssmis18 23.4 31.5% 0.0 0.0 n/a   70.3 kts
20111002T063644 tmi 34.5 20.6% 5.1 5.1 n/a   55.0 kts
20111002T100052 ssmis16 145.7 6.8% 4.4 -4.4 n/a   55.0 kts
20111002T144908 tmi 179.0 0.0% 4.8 4.8 n/a   52.7 kts
20111002T225650 ssmis16 323.5 NaN% NaN NaN n/a   50.0 kts
20111003T055038 amsre 256.8 6.8% 4.1 -4.1 n/a   50.0 kts
20111003T100957 ssmis16 5.0 0.0% 1.4 -1.4 n/a   46.1 kts
20111003T102445 ssmis17 256.8 NaN% NaN NaN n/a   45.9 kts
20111003T125332 ssmis18 323.5 NaN% NaN NaN n/a   45.0 kts
20111003T180244 amsre 234.6 0.0% 2.8 -2.8 n/a   45.0 kts
20111003T224419 ssmis16 245.7 0.0% 4.7 -4.7 n/a   41.2 kts
20111004T010900 ssmis18 145.7 8.2% 2.3 -2.3 n/a   39.0 kts
20111004T062426 tmi 12.2 0.0% 3.1 -3.1 n/a   34.6 kts
20111004T101219 ssmis17 312.4 NaN% NaN NaN n/a   30.8 kts
20111004T123937 ssmis18 301.3 NaN% NaN NaN n/a   30.0 kts
20111004T143547 tmi 223.5 NaN% NaN NaN n/a   30.0 kts
20111004T224604 ssmis17 34.5 0.0% 2.7 -2.7 n/a   30.0 kts
20111005T011548 ssmis18 101.2 NaN% NaN NaN n/a   29.6 kts
20111005T052820 tmi 5.0 0.0% 0.7 -0.7 n/a   25.5 kts
20111005T092433 ssmis17 12.2 0.0% 0.0 -0.0 n/a   21.5 kts
20111005T112606 ssmis16 45.6 0.0% 3.8 -3.8 n/a   20.1 kts
20111005T122940 ssmis18 167.9 0.0% 1.6 -1.6 n/a   20.0 kts
20111005T134004 tmi 112.3 0.0% 1.6 -1.6 n/a   20.0 kts
20111005T222418 ssmis17 212.4 NaN% NaN NaN n/a   20.0 kts
20111006T010414 ssmis18 234.6 NaN% NaN NaN n/a   19.9 kts
20111006T094638 ssmis17 -919.0 -999.0% -999.0 -909.0 n/a   16.4 kts
20111006T111310 ssmis16 12.2 0.0% 1.1 -1.1 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.