Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20110506T083023 ssmis17 NaN 19.7% 5.3 -5.3 n/a   30.0 kts
20110506T083650 tmi NaN 11.0% 4.7 -4.7 n/a   30.0 kts
20110506T094906 ssmis16 NaN 13.7% 2.2 -2.2 n/a   30.0 kts
20110506T170314 amsre 312.4 NaN% NaN NaN n/a   30.0 kts
20110506T182736 tmi NaN 0.0% 4.2 -4.2 n/a   30.1 kts
20110506T210801 ssmis17 323.5 NaN% NaN NaN n/a   32.7 kts
20110506T222641 ssmis16 NaN 11.0% 4.3 -4.3 n/a   34.2 kts
20110506T233122 ssmis18 NaN 8.2% 4.1 -4.1 n/a   34.9 kts
20110507T053140 amsre 223.5 NaN% NaN NaN n/a   35.0 kts
20110507T093700 ssmis16 NaN 34.2% 3.7 -3.7 n/a   41.5 kts
20110507T173107 tmi 234.6 NaN% NaN NaN n/a   45.0 kts
20110507T174543 amsre NaN 6.8% 1.9 -1.9 n/a   45.0 kts
20110507T205452 ssmis17 101.2 NaN% NaN NaN n/a   47.4 kts
20110507T221346 ssmis16 NaN 0.0% 4.5 -4.5 n/a   49.0 kts
20110508T082125 tmi NaN 20.6% 0.0 0.0 n/a   50.0 kts
20110508T121151 ssmis18 23.4 100.0% 19.2 34.2 >65 kts   50.0 kts
20110508T220022 ssmis16 NaN 9.4% 1.8 -1.8 n/a   47.0 kts
20110509T052023 amsre 34.5 20.6% 11.9 -11.9 n/a   40.1 kts
20110509T093512 ssmis17 NaN 19.2% 0.0 -0.0 n/a   40.0 kts
20110509T120029 ssmis18 NaN 27.4% 2.9 -2.9 n/a   40.0 kts
20110509T173215 amsre 323.5 NaN% NaN NaN n/a   40.0 kts
20110509T220858 ssmis17 -919.0 -999.0% -999.0 -909.0 n/a   36.1 kts
20110510T003420 ssmis18 223.5 NaN% NaN NaN n/a   35.0 kts
20110510T080848 tmi 23.4 NaN% NaN NaN n/a   35.0 kts
20110510T092328 ssmis17 NaN 0.0% 4.2 -4.2 n/a   35.0 kts
20110510T105738 ssmis18 NaN 0.0% 2.4 -2.4 n/a   35.0 kts
20110510T144338 tmi 134.5 NaN% NaN NaN n/a   35.0 kts
20110510T215448 ssmis17 NaN 8.2% 3.8 -3.8 n/a   35.0 kts
20110511T002048 ssmis18 NaN 9.6% 5.2 -5.2 n/a   35.0 kts
20110511T051030 amsre NaN 0.0% 3.9 -3.9 n/a   35.0 kts
20110511T085449 tmi NaN 0.0% 1.8 -1.8 n/a   35.0 kts
20110511T091213 ssmis17 223.5 NaN% NaN NaN n/a   35.0 kts
20110511T113902 ssmis18 NaN 4.1% 2.7 -2.7 n/a   35.0 kts
20110511T134909 tmi 301.3 NaN% NaN NaN n/a   35.0 kts
20110511T171644 amsre NaN 0.0% 3.3 -3.3 n/a   35.0 kts
20110512T000648 ssmis18 NaN 0.0% 1.2 -1.2 n/a   35.0 kts
20110512T080152 tmi 45.6 NaN% NaN NaN n/a   35.0 kts
20110512T093951 tmi 101.2 NaN% NaN NaN n/a   35.0 kts
20110512T111754 tmi NaN 0.0% 1.9 -1.9 n/a   35.0 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.