Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20130921T003651 tmi 312.4 NaN% NaN NaN n/a   27.3 kts
20130921T064755 ssmis16 56.7 34.2% 7.6 -7.6 n/a   40.0 kts
20130921T075017 ssmis17 45.6 39.7% 4.5 -4.5 n/a   40.0 kts
20130921T103144 ssmis18 123.4 26.0% 3.4 -3.4 n/a   40.0 kts
20130921T192030 ssmis16 123.4 24.7% 3.8 -3.8 n/a   50.0 kts
20130921T201743 ssmis17 179.0 17.8% 3.4 -3.4 n/a   50.0 kts
20130921T225322 ssmis18 101.2 24.7% 4.2 -4.2 n/a   50.0 kts
20130922T055521 ssmi15 267.9 NaN% NaN NaN n/a   50.0 kts
20130922T070133 ssmis17 201.2 20.6% 5.3 -5.3 n/a   50.0 kts
20130922T075127 tmi 190.1 20.6% 1.9 -1.9 n/a   50.0 kts
20130922T101958 ssmis18 279.1 25.4% 10.6 -10.6 n/a   50.0 kts
20130922T182514 ssmi15 67.8 2.7% 1.6 -1.6 n/a   50.1 kts
20130922T200656 ssmis17 223.5 17.8% 2.4 -2.4 n/a   52.9 kts
20130922T225127 ssmis18 156.8 39.7% 12.1 -12.1 n/a   59.1 kts
20130923T002231 tmi 67.8 11.0% 10.5 10.5 n/a   60.0 kts
20130923T002233 tmi 67.8 12.3% 9.6 9.6 n/a   60.0 kts
20130923T054016 ssmi15 134.5 11.0% 4.5 4.5 n/a   60.0 kts
20130923T065516 tmi 101.2 13.7% 9.4 9.4 n/a   60.3 kts
20130923T065517 tmi 101.2 16.4% 9.0 9.0 n/a   60.3 kts
20130923T100838 ssmis18 112.3 9.6% 11.2 11.2 n/a   63.9 kts
20130923T180900 ssmi15 112.3 23.3% 13.3 13.3 n/a   65.0 kts
20130923T203431 ssmis16 134.5 13.7% 6.6 6.6 n/a   65.0 kts
20130923T223848 ssmis18 101.2 52.0% 13.3 13.3 n/a   65.0 kts
20130924T052509 ssmi15 101.2 6.8% 24.2 24.2 >65 kts   65.0 kts
20130924T055921 tmi 90.1 100.0% 28.5 43.5 >65 kts   65.0 kts
20130924T055924 tmi 90.1 100.0% 33.0 48.0 >65 kts   65.0 kts
20130924T070159 ssmis16 90.1 100.0% 26.7 41.7 >65 kts   65.2 kts
20130924T075212 ssmis16 90.1 100.0% 27.1 42.1 >65 kts   65.7 kts
20130924T094331 ssmis18 90.1 100.0% 42.9 57.9 >65 kts   67.3 kts
20130924T175242 ssmi15 90.1 64.4% 20.5 20.5 >65 kts   84.8 kts
20130924T202057 ssmis16 78.9 100.0% 31.1 46.1 >65 kts   87.8 kts
20130924T211813 ssmis17 90.1 60.3% 15.5 15.5 n/a   88.7 kts
20130925T000839 tmi 90.1 12.3% 5.8 5.8 n/a   90.0 kts
20130925T050207 tmi 78.9 56.2% 21.7 21.7 >65 kts   90.0 kts
20130925T050208 tmi 78.9 50.7% 17.3 17.3 n/a   90.0 kts
20130925T051016 ssmi15 78.9 NaN% NaN NaN n/a   90.0 kts
20130925T074012 ssmis16 78.9 65.8% 19.4 19.4 n/a   90.0 kts
20130925T084930 ssmis17 78.9 NaN% NaN NaN n/a   90.0 kts
20130925T085651 ssmis18 78.9 NaN% NaN NaN n/a   90.0 kts
20130925T200652 ssmis16 67.8 53.4% 18.7 18.7 n/a   88.2 kts
20130925T211613 ssmis17 67.8 52.0% 16.6 16.6 n/a   86.1 kts
20130925T231440 tmi 90.1 NaN% NaN NaN n/a   81.7 kts
20130925T231441 tmi 78.9 NaN% NaN NaN n/a   81.7 kts
20130926T005351 tmi 67.8 21.9% 9.5 9.5 n/a   77.3 kts
20130926T040830 tmi 123.4 NaN% NaN NaN n/a   63.7 kts
20130926T040831 tmi 123.4 NaN% NaN NaN n/a   63.7 kts
20130926T045544 ssmi15 67.8 12.3% 18.6 18.6 n/a   61.3 kts
20130926T072449 ssmis16 78.9 100.0% 23.9 38.9 >65 kts   60.0 kts
20130926T085124 ssmis18 67.8 42.5% 9.8 9.8 n/a   60.0 kts
20130926T171808 ssmi15 67.8 37.0% 13.2 -13.2 n/a   45.9 kts
20130926T195154 ssmis16 234.6 NaN% NaN NaN n/a   42.9 kts
20130926T215802 ssmis18 223.5 NaN% NaN NaN n/a   40.8 kts
20130927T044154 ssmi15 245.7 NaN% NaN NaN n/a   35.6 kts
20130927T053626 ssmis16 167.9 NaN% NaN NaN n/a   35.1 kts
20130927T064518 ssmis17 267.9 NaN% NaN NaN n/a   35.0 kts
20130927T064521 ssmis17 267.9 NaN% NaN NaN n/a   35.0 kts
20130927T083044 ssmis18 45.6 0.0% 0.0 -0.0 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.

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).