Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110621T045927 amsre NaN 12.3% 2.5 -2.5 n/a   25.0 kts
20110621T171425 amsre NaN 0.0% 2.5 -2.5 n/a   25.0 kts
20110621T212837 ssmis17 NaN 27.4% 3.1 -3.1 n/a   32.7 kts
20110622T082339 ssmis17 NaN 84.9% 8.0 -8.0 n/a   36.8 kts
20110622T092103 tmi NaN 13.7% 3.8 -3.8 n/a   37.9 kts
20110622T095853 ssmis16 134.5 NaN% NaN NaN n/a   38.7 kts
20110622T112240 ssmis18 34.5 100.0% 25.1 -40.1 n/a   39.8 kts
20110622T211508 ssmis17 NaN 13.7% 3.1 -3.1 n/a   40.0 kts
20110622T222630 ssmis16 245.7 NaN% NaN NaN n/a   40.0 kts
20110622T235328 ssmis18 323.5 NaN% NaN NaN n/a   40.0 kts
20110623T044853 amsre NaN 9.6% 5.3 -5.3 n/a   40.0 kts
20110623T082737 ssmis17 312.4 NaN% NaN NaN n/a   40.0 kts
20110623T094657 ssmis16 NaN 8.2% 3.6 -3.6 n/a   40.0 kts
20110623T112516 ssmis18 NaN 9.6% 0.6 -0.6 n/a   40.0 kts
20110623T170030 amsre 245.7 NaN% NaN NaN n/a   44.1 kts
20110623T210116 ssmis17 NaN 0.0% 3.0 -3.0 n/a   48.1 kts
20110623T222215 ssmis16 NaN 0.0% 5.5 -5.5 n/a   49.4 kts
20110623T235850 ssmis18 NaN 0.0% 0.9 -0.9 n/a   50.0 kts
20110624T090736 tmi 323.5 NaN% NaN NaN n/a   52.7 kts
20110624T093747 ssmis16 323.5 NaN% NaN NaN n/a   53.3 kts
20110624T111447 ssmis18 301.3 NaN% NaN NaN n/a   54.8 kts
20110624T154004 tmi 279.1 NaN% NaN NaN n/a   55.0 kts
20110624T174158 amsre NaN 11.0% 3.5 3.5 n/a   55.0 kts
20110624T214939 ssmis16 312.4 NaN% NaN NaN n/a   58.5 kts
20110624T234521 ssmis18 NaN 27.4% 4.8 4.8 n/a   60.0 kts
20110625T043956 amsre NaN 9.6% 1.5 1.5 n/a   52.2 kts
20110625T092622 ssmis16 NaN 8.2% 4.7 -4.7 n/a   46.3 kts
20110625T094950 tmi NaN 1.4% 2.5 -2.5 n/a   45.9 kts
20110625T102415 ssmis18 NaN 0.0% 5.1 -5.1 n/a   45.5 kts
20110625T112752 tmi -919.0 -999.0% -999.0 -909.0 n/a   45.1 kts
20110625T144336 tmi NaN 0.0% 1.6 -1.6 n/a   45.0 kts
20110625T214516 ssmis16 323.5 NaN% NaN NaN n/a   42.3 kts
20110625T221319 ssmis17 NaN 0.0% 1.7 -1.7 n/a   41.8 kts
20110626T052510 amsre NaN 0.0% 1.6 -1.6 n/a   35.5 kts
20110626T085906 ssmis17 212.4 NaN% NaN NaN n/a   31.9 kts
20110626T091630 ssmis16 NaN 0.0% 5.7 -5.7 n/a   31.6 kts
20110626T105453 ssmis18 78.9 NaN% NaN NaN n/a   30.3 kts
20110626T120936 tmi NaN 9.6% 4.6 -4.6 n/a   30.0 kts
20110626T172612 amsre NaN 2.7% 4.2 -4.2 n/a   30.0 kts
20110626T215902 ssmis17 NaN 0.0% 0.7 -0.7 n/a   26.3 kts
20110627T005915 ssmis18 123.4 NaN% NaN NaN n/a   25.0 kts
20110627T043027 amsre NaN 0.0% 2.3 -2.3 n/a   24.6 kts
20110627T090410 ssmis16 NaN 0.0% 1.5 -1.5 n/a   21.2 kts
20110627T104317 ssmis18 267.9 NaN% NaN NaN n/a   20.3 kts
20110627T214514 ssmis17 145.7 NaN% NaN NaN n/a   20.0 kts
20110628T033557 amsre 290.2 NaN% NaN NaN 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.