Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110123T011725 amsre 5.0 86.3% 1.9 16.9 n/a   50.0 kts
20110123T045509 ssmis17 NaN 0.0% 1.9 -920.0 n/a   50.0 kts
20110123T054001 ssmis16 NaN 0.0% 0.0 -920.0 n/a   50.0 kts
20110123T054010 ssmis16 NaN 8.2% 5.6 5.6 n/a   50.0 kts
20110123T074411 ssmis18 NaN 58.9% 9.4 9.4 n/a   50.0 kts
20110123T074421 ssmis18 NaN 12.3% 5.4 5.4 n/a   50.0 kts
20110123T185517 ssmis18 NaN 23.3% 3.1 3.1 n/a   50.1 kts
20110123T185518 ssmis18 NaN 23.3% 3.3 3.3 n/a   50.1 kts
20110123T204535 tmi NaN 41.1% 2.4 2.4 n/a   50.5 kts
20110124T044131 ssmis17 NaN 8.2% 0.0 0.0 n/a   54.4 kts
20110124T044135 ssmis17 NaN 12.3% 0.0 0.0 n/a   54.4 kts
20110124T051637 ssmis16 NaN 20.6% 0.3 0.3 n/a   54.7 kts
20110124T051640 ssmis16 NaN 27.4% 0.2 0.2 n/a   54.7 kts
20110124T064444 ssmis18 23.4 100.0% 21.0 36.0 >65 kts   55.3 kts
20110124T125142 amsre 45.6 63.0% 16.7 16.7 n/a   57.4 kts
20110124T212740 tmi 23.4 45.2% 18.3 18.3 n/a   65.8 kts
20110125T010314 amsre 34.5 NaN% NaN NaN n/a   75.4 kts
20110125T052731 ssmis17 23.4 100.0% 48.8 63.8 >85 kts# 84.5 kts
20110125T172403 ssmis17 23.4 100.0% 44.3 59.3 >65 kts   89.6 kts
20110125T183753 ssmis16 23.4 100.0% 41.5 56.5 >65 kts   90.6 kts
20110125T201507 ssmis18 12.2 100.0% 34.0 49.0 >65 kts   93.3 kts
20110125T220810 tmi 23.4 100.0% 47.2 62.2 >85 kts# 98.1 kts
20110126T044021 tmi 12.2 100.0% 45.8 60.8 >85 kts# 114.2 kts
20110126T055526 ssmis17 12.2 100.0% 21.6 36.6 >65 kts   115.0 kts
20110126T070915 ssmis16 5.0 100.0% 20.2 35.2 >65 kts   115.0 kts
20110126T084654 ssmis18 5.0 93.2% 18.6 33.6 >65 kts   115.0 kts
20110126T171158 ssmis17 NaN 35.6% 0.0 0.0 n/a   111.0 kts
20110126T182112 ssmis16 NaN 41.1% 8.1 8.1 n/a   109.3 kts
20110126T200358 ssmis18 NaN 8.2% 0.0 0.0 n/a   106.6 kts
20110126T211135 tmi NaN 43.8% 4.1 4.1 n/a   104.7 kts
20110127T022753 amsre NaN 60.3% 7.7 7.7 n/a   95.8 kts
20110127T034352 tmi NaN 1.4% 6.1 6.1 n/a   93.3 kts
20110127T065601 ssmis16 NaN 8.2% 0.0 0.0 n/a   86.5 kts
20110127T083416 ssmis18 212.4 NaN% NaN NaN n/a   82.8 kts
20110127T132535 amsre NaN 32.9% 1.6 1.6 n/a   71.3 kts
20110127T195303 ssmis18 NaN 8.2% 2.8 2.8 n/a   51.1 kts
20110127T215346 tmi NaN 0.0% 6.8 6.8 n/a   46.8 kts
20110128T024736 tmi NaN 0.0% 2.4 -2.4 n/a   45.0 kts
20110128T082037 ssmis18 190.1 NaN% NaN NaN n/a   39.4 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.