Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20100920T074304 ssmis17 NaN 0.0% 0.0 -0.0 n/a   26.4 kts
20100920T074306 ssmis17 NaN 0.0% 0.0 -0.0 n/a   26.4 kts
20100920T090528 ssmis16 NaN 0.0% 0.0 -0.0 n/a   27.6 kts
20100920T090530 ssmis16 NaN 0.0% 0.0 -0.0 n/a   27.6 kts
20100920T114225 tmi NaN 5.5% 3.6 -3.6 n/a   29.8 kts
20100920T154701 amsre NaN 31.5% 8.3 -8.3 n/a   33.9 kts
20100920T194230 ssmi15 NaN 0.0% 6.5 -6.5 n/a   35.0 kts
20100920T203109 ssmis17 NaN 0.0% 5.2 -5.2 n/a   35.0 kts
20100920T213117 ssmis16 NaN 0.0% 0.0 -0.0 n/a   35.0 kts
20100921T065430 ssmi15 NaN 0.0% 0.0 -0.0 n/a   35.3 kts
20100921T074217 ssmis17 NaN 0.0% 0.0 -0.0 n/a   36.0 kts
20100921T083120 ssmis16 NaN 0.0% 0.0 -0.0 n/a   36.9 kts
20100921T104407 ssmis18 NaN 0.0% 0.0 -0.0 n/a   39.4 kts
20100921T163003 amsre NaN 2.7% 3.4 -3.4 n/a   40.0 kts
20100921T192700 ssmi15 NaN 0.0% 3.0 -3.0 n/a   40.0 kts
20100921T201813 ssmis17 NaN 0.0% 1.9 -1.9 n/a   40.0 kts
20100921T212636 ssmis16 NaN 0.0% 0.0 -0.0 n/a   40.0 kts
20100921T231845 ssmis18 NaN 0.0% 1.1 -1.1 n/a   40.0 kts
20100922T031704 tmi NaN 0.0% 3.4 -3.4 n/a   40.0 kts
20100922T073238 ssmis17 NaN 0.0% 0.0 -0.0 n/a   40.0 kts
20100922T084035 ssmis16 NaN 0.0% 0.0 -0.0 n/a   40.0 kts
20100922T100509 ssmis18 NaN 0.0% 0.0 -0.0 n/a   40.0 kts
20100922T112811 tmi NaN 0.0% 0.0 -0.0 n/a   40.0 kts
20100922T200542 ssmis17 NaN 0.0% 0.0 -0.0 n/a   51.8 kts
20100922T211343 ssmis16 NaN 12.3% 6.3 -6.3 n/a   57.1 kts
20100922T230630 ssmis18 NaN 12.3% 4.2 -4.2 n/a   64.0 kts
20100923T070520 ssmis17 NaN 0.0% 0.0 0.0 n/a   60.0 kts
20100923T102139 ssmis18 NaN 16.4% 4.1 4.1 n/a   60.0 kts
20100923T103218 tmi NaN 6.8% 7.3 7.3 n/a   60.0 kts
20100923T161652 amsre 112.3 38.4% 11.8 11.8 n/a   70.3 kts
20100923T195202 ssmis17 123.4 62.9% 17.6 17.6 n/a   78.6 kts
20100923T225328 ssmis18 101.2 60.3% 16.8 16.8 n/a   83.6 kts
20100924T030408 tmi 101.2 100.0% 27.7 42.7 >65 kts   88.4 kts
20100924T093625 tmi 90.1 100.0% 42.9 57.9 >65 kts   90.0 kts
20100924T101126 ssmis18 90.1 100.0% 43.2 58.2 >65 kts   90.0 kts
20100924T223906 ssmis18 101.2 50.7% 11.9 11.9 n/a   75.4 kts
20100925T034831 tmi NaN 0.0% 0.0 0.0 n/a   74.7 kts
20100925T035854 amsre -919.0 -999.0% -999.0 -909.0 n/a   74.6 kts
20100925T052625 tmi NaN 9.6% 9.3 9.3 n/a   72.6 kts
20100925T063754 ssmis17 NaN 0.0% 3.3 3.3 n/a   70.2 kts
20100925T072929 ssmis16 NaN 0.0% 0.2 0.2 n/a   68.3 kts
20100925T092550 ssmis18 NaN 0.0% 3.0 3.0 n/a   63.9 kts
20100925T155922 amsre NaN 0.0% 7.3 7.3 n/a   57.5 kts
20100925T192056 ssmis17 NaN 0.0% 5.9 5.9 n/a   55.9 kts
20100925T221806 ssmis18 NaN 0.0% 2.4 2.4 n/a   55.1 kts
20100926T030555 amsre NaN 1.4% 6.9 6.9 n/a   55.0 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.