Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20130608T140900 tmi 134.5 23.3% 6.5 -6.5 n/a   29.2 kts
20130608T193554 ssmi15 23.4 NaN% NaN NaN n/a   36.8 kts
20130608T211442 ssmis17 223.5 26.0% 1.5 -1.5 n/a   38.6 kts
20130609T062727 ssmi15 78.9 2.7% 3.1 -3.1 n/a   35.0 kts
20130609T082908 ssmis17 67.8 27.4% 5.8 -5.8 n/a   35.0 kts
20130609T112829 ssmis18 56.7 4.1% 6.0 -6.0 n/a   35.0 kts
20130609T131342 tmi 56.7 11.0% 15.6 -15.6 n/a   35.0 kts
20130609T185814 ssmi15 78.9 21.9% 14.6 -14.6 n/a   35.0 kts
20130609T205825 ssmis17 145.7 39.7% 8.4 -8.4 n/a   35.0 kts
20130610T054430 tmi 34.5 2.7% 4.9 -4.9 n/a   39.8 kts
20130610T061228 ssmi15 5.0 0.0% 0.0 -0.0 n/a   40.2 kts
20130610T081649 ssmis17 101.2 30.1% 0.0 -0.0 n/a   41.9 kts
20130610T111710 ssmis18 23.4 50.7% 5.4 -5.4 n/a   44.4 kts
20130610T121820 tmi 12.2 31.5% 13.0 -13.0 n/a   45.3 kts
20130610T184113 ssmi15 45.6 2.7% 13.1 -13.1 n/a   50.6 kts
20130610T204651 ssmis17 190.1 37.0% 3.6 -3.6 n/a   52.9 kts
20130610T234612 ssmis18 56.7 27.4% 6.5 -6.5 n/a   55.0 kts
20130611T055810 ssmi15 179.0 15.1% 2.9 -2.9 n/a   50.0 kts
20130611T062941 tmi 112.3 0.0% 1.3 -1.3 n/a   49.6 kts
20130611T080527 ssmis17 145.7 16.4% 4.7 -4.7 n/a   48.3 kts
20130611T094505 tmi 67.8 NaN% NaN NaN n/a   46.9 kts
20130611T105455 ssmis18 234.6 NaN% NaN NaN n/a   45.9 kts
20130611T112255 tmi 323.5 NaN% NaN NaN n/a   45.5 kts
20130611T182409 ssmi15 290.2 NaN% NaN NaN n/a   40.0 kts
20130611T203230 ssmis17 290.2 NaN% NaN NaN n/a   40.0 kts
20130611T205636 ssmis16 134.5 0.0% 2.3 -2.3 n/a   40.0 kts
20130611T233235 ssmis18 279.1 0.0% 3.4 -3.4 n/a   40.0 kts
20130612T053239 tmi 279.1 0.0% 2.4 -2.4 n/a   35.4 kts
20130612T054317 ssmi15 78.9 0.0% 1.6 -1.6 n/a   35.2 kts
20130612T071152 tmi 67.8 NaN% NaN NaN n/a   34.1 kts
20130612T075250 ssmis17 90.1 0.0% 1.9 -1.9 n/a   33.6 kts
20130612T081707 ssmis16 112.3 NaN% NaN NaN n/a   33.3 kts
20130612T084946 tmi 90.1 0.0% 4.4 -4.4 n/a   32.9 kts
20130612T102732 tmi 56.7 0.0% 0.0 -0.0 n/a   31.6 kts
20130612T103208 ssmis18 78.9 0.0% 0.9 -0.9 n/a   31.5 kts
20130612T180825 ssmi15 101.2 0.0% 3.3 -3.3 n/a   22.4 kts
20130612T201934 ssmis17 5.0 NaN% NaN NaN n/a   21.0 kts
20130612T204344 ssmis16 301.3 NaN% NaN NaN n/a   20.8 kts
20130612T231616 ssmis18 12.2 0.0% 2.2 -2.2 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.

Error messages in intensity scores: -920 is used when the hottest pixel in the eye is <200K, to prevent false positives; -909 is a failure to process (bad input data).