Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110112T043536 tmi NaN 0.0% 0.0 -0.0 n/a   43.6 kts
20110112T124708 tmi NaN 2.7% 5.8 -5.8 n/a   55.2 kts
20110112T140619 amsre NaN 13.7% 7.6 -7.6 n/a   57.1 kts
20110112T182738 ssmis17 NaN 0.0% 2.1 2.1 n/a   60.0 kts
20110112T194055 ssmis16 NaN 0.0% 3.1 3.1 n/a   60.0 kts
20110112T205321 ssmis18 NaN 30.1% 6.3 6.3 n/a   60.0 kts
20110113T021714 amsre NaN 2.7% 5.9 5.9 n/a   60.0 kts
20110113T070045 ssmis17 NaN 13.7% 1.5 1.5 n/a   60.0 kts
20110113T081407 ssmis16 NaN 0.0% 0.0 0.0 n/a   60.0 kts
20110113T094256 ssmis18 NaN 0.0% 0.0 0.0 n/a   60.0 kts
20110113T115103 tmi NaN 16.4% 2.2 2.2 n/a   60.0 kts
20110113T181514 ssmis17 NaN 24.7% 6.0 6.0 n/a   54.8 kts
20110113T192838 ssmis16 NaN 5.5% 7.0 7.0 n/a   53.6 kts
20110113T205627 ssmis18 NaN 5.5% 4.4 4.4 n/a   52.1 kts
20110114T025951 amsre NaN 0.0% 0.0 -920.0 n/a   46.1 kts
20110114T042159 tmi NaN 23.3% 1.5 1.5 n/a   45.3 kts
20110114T061533 ssmis17 NaN 34.2% 2.0 2.0 n/a   45.0 kts
20110114T073508 ssmis16 NaN 46.6% 8.3 8.3 n/a   45.0 kts
20110114T093019 ssmis18 NaN 24.7% 0.2 -0.2 n/a   45.0 kts
20110114T105452 tmi NaN 1.4% 0.0 -0.0 n/a   45.0 kts
20110114T135506 amsre NaN 12.3% 3.5 -3.5 n/a   44.0 kts
20110114T180302 ssmis17 NaN 0.0% 1.7 -1.7 n/a   40.0 kts
20110114T185211 ssmis16 NaN 0.0% 0.0 -0.0 n/a   39.5 kts
20110114T204609 ssmis18 NaN 4.1% 2.9 -2.9 n/a   38.4 kts
20110115T041412 tmi NaN 0.0% 0.0 -0.0 n/a   35.2 kts
20110115T060940 ssmis17 NaN 0.0% 6.3 -6.3 n/a   35.0 kts
20110115T091702 ssmis18 NaN 1.4% 2.0 -2.0 n/a   35.0 kts
20110115T095830 tmi NaN 0.0% 0.3 -0.3 n/a   34.9 kts
20110115T143944 amsre NaN 0.0% 0.0 -0.0 n/a   32.8 kts
20110115T175232 ssmis17 NaN 0.0% 0.2 -0.2 n/a   30.1 kts
20110115T190557 ssmis16 NaN 0.0% 1.1 -1.1 n/a   30.0 kts
20110115T203617 ssmis18 NaN 0.0% 0.0 -0.0 n/a   30.0 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.