Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20100516T112430 ssmi15 NaN 0.0% 0.0 -0.0 n/a   35.0 kts
20100517T110930 ssmi15 NaN 27.4% 2.1 -2.1 n/a   35.0 kts
20100517T233841 ssmis17 NaN 17.8% 0.1 -0.1 n/a   35.0 kts
20100518T024626 ssmis18 NaN 27.4% 6.4 -6.4 n/a   36.5 kts
20100518T072411 amsre -919.0 -999.0% -999.0 -909.0 n/a   42.0 kts
20100518T132040 ssmis18 56.7 100.0% 43.6 58.6 >65 kts   51.3 kts
20100518T133241 ssmis16 56.7 100.0% 26.3 41.3 >65 kts   51.4 kts
20100518T222136 tmi NaN 42.5% 0.0 0.0 n/a   63.5 kts
20100519T020930 ssmis16 34.5 100.0% 27.5 42.5 >65 kts   65.0 kts
20100519T022525 ssmis18 45.6 100.0% 34.8 49.8 >65 kts   65.0 kts
20100519T080735 amsre 45.6 35.6% 16.9 16.9 n/a   65.0 kts
20100519T081155 tmi NaN 0.0% 0.0 0.0 n/a   65.0 kts
20100519T121732 ssmis17 NaN 30.1% 9.9 9.9 n/a   65.0 kts
20100519T132020 ssmis16 NaN 16.4% 8.2 8.2 n/a   64.4 kts
20100519T202127 amsre NaN 0.0% 4.1 4.1 n/a   60.0 kts
20100520T015619 ssmis16 NaN 13.7% 0.6 0.6 n/a   57.5 kts
20100520T021901 ssmis18 NaN 9.6% 0.3 0.3 n/a   56.7 kts
20100520T071344 tmi NaN 17.8% 1.2 -1.2 n/a   50.0 kts
20100520T120522 ssmis17 NaN 11.0% 2.2 -2.2 n/a   50.0 kts
20100520T120530 ssmi15 NaN 0.0% 1.0 -1.0 n/a   50.0 kts
20100520T122848 ssmis16 NaN 0.0% 0.0 -0.0 n/a   50.2 kts
20100520T220553 tmi NaN 0.0% 0.0 0.0 n/a   53.9 kts
20100521T004031 ssmis17 NaN 57.5% 0.0 0.0 n/a   48.8 kts
20100521T014323 ssmis16 NaN 13.7% 1.2 1.2 n/a   46.9 kts
20100521T061810 tmi NaN 9.6% 2.0 -2.0 n/a   39.7 kts
20100521T075618 amsre NaN 5.5% 1.1 -1.1 n/a   37.8 kts
20100521T114930 ssmi15 NaN 9.6% 1.5 -1.5 n/a   35.0 kts
20100521T115248 ssmis17 NaN 8.2% 3.5 -3.5 n/a   35.0 kts
20100521T121910 ssmis17 NaN 0.0% 0.2 -0.2 n/a   35.0 kts
20100521T125005 ssmis16 NaN 9.6% 3.3 -3.3 n/a   35.0 kts
20100521T200823 amsre NaN 0.0% 2.9 -2.9 n/a   35.0 kts
20100521T211051 tmi NaN 0.0% 0.0 -0.0 n/a   35.0 kts
20100522T013027 ssmis16 NaN 0.0% 3.2 -3.2 n/a   32.5 kts
20100522T052248 tmi NaN 0.0% 0.0 -0.0 n/a   30.1 kts
20100522T110911 ssmis17 NaN 16.4% 0.5 -0.5 n/a   30.0 kts
20100522T113430 ssmi15 NaN 0.0% 0.0 -0.0 n/a   30.0 kts
20100522T121307 ssmis16 NaN 0.0% 0.0 -0.0 n/a   30.0 kts
20100523T001401 ssmis17 NaN 6.8% 1.4 -1.4 n/a   28.3 kts
20100523T011707 ssmis16 NaN 0.0% 0.9 -0.9 n/a   27.8 kts
20100523T042757 tmi NaN 23.3% 2.1 -2.1 n/a   26.0 kts
20100523T074434 amsre NaN 9.6% 1.5 -1.5 n/a   25.0 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.