Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20130707T200241 ssmis17 134.5 5.5% 0.0 -0.0 n/a   34.0 kts
20130707T215135 tmi 45.6 NaN% NaN NaN n/a   37.1 kts
20130708T053529 ssmi15 145.7 8.2% 7.8 -7.8 n/a   44.6 kts
20130708T074226 ssmis16 67.8 98.6% 19.7 -34.7 n/a   47.4 kts
20130708T102440 ssmis18 101.2 58.9% 15.1 -15.1 n/a   52.2 kts
20130708T142035 tmi 112.3 60.3% 14.4 14.4 n/a   58.9 kts
20130708T180823 ssmi15 90.1 6.8% 29.9 29.9 >65 kts   65.2 kts
20130708T201547 ssmis16 90.1 63.0% 10.3 10.3 n/a   68.8 kts
20130708T223043 tmi 90.1 45.2% 13.2 13.2 n/a   72.5 kts
20130708T231024 ssmis18 67.8 20.6% 7.1 7.1 n/a   73.6 kts
20130709T073000 ssmis16 78.9 100.0% 59.8 74.8 >85 kts# 87.3 kts
20130709T081346 ssmis17 67.8 100.0% 50.0 65.0 >85 kts# 88.4 kts
20130709T095050 ssmis18 78.9 100.0% 56.4 71.3 >85 kts# 90.9 kts
20130709T200251 ssmis16 67.8 100.0% 66.8 81.8 >85 kts# 119.7 kts
20130709T211740 ssmis17 67.8 100.0% 63.2 78.2 >85 kts# 122.2 kts
20130709T213513 tmi 67.8 100.0% 61.4 76.3 >85 kts# 122.7 kts
20130709T225809 ssmis18 56.7 100.0% 54.9 69.9 >85 kts# 124.5 kts
20130710T080819 ssmis17 56.7 100.0% 53.7 68.7 >85 kts# 124.0 kts
20130710T083230 ssmis17 45.6 100.0% 53.2 68.2 >85 kts# 123.6 kts
20130710T140549 tmi 56.7 38.4% 22.3 22.3 >65 kts   118.4 kts
20130711T063019 ssmi15 179.0 17.8% 13.8 13.8 n/a   95.0 kts
20130711T082201 ssmis16 212.4 100.0% 24.7 39.7 >65 kts   95.0 kts
20130711T114253 ssmis18 45.6 0.0% 3.8 3.8 n/a   95.0 kts
20130711T121207 ssmis18 34.5 1.4% 2.2 2.2 n/a   95.0 kts
20130711T190104 ssmi15 45.6 17.8% 1.9 1.9 n/a   95.0 kts
20130711T211917 tmi 23.4 35.6% 11.0 11.0 n/a   95.0 kts
20130712T054358 ssmis18 223.5 100.0% 40.4 55.4 >65 kts   90.2 kts
20130712T080330 ssmis16 23.4 37.0% 4.3 4.3 n/a   88.3 kts
20130712T094841 ssmis17 167.9 NaN% NaN NaN n/a   86.8 kts
20130712T135024 tmi 179.0 54.8% 11.2 11.2 n/a   83.5 kts
20130712T202233 tmi 56.7 91.8% 10.2 25.2 >65 kts   78.0 kts
20130712T210436 ssmis16 56.7 93.2% 4.0 19.0 n/a   77.4 kts
20130712T221909 ssmis17 NaN 6.8% 0.0 -920.0 n/a   76.4 kts
20130713T000151 ssmis18 145.7 12.3% 2.3 2.3 n/a   75.0 kts
20130713T110247 ssmis18 312.4 NaN% NaN NaN n/a   60.5 kts
20130713T143201 tmi 267.9 NaN% NaN NaN n/a   60.0 kts
20130713T192548 tmi 12.2 0.0% 0.8 -0.8 n/a   51.6 kts
20130713T200915 ssmi15 12.2 0.0% 1.3 -1.3 n/a   49.4 kts
20130714T072714 ssmi15 12.2 0.0% 0.2 -0.2 n/a   33.4 kts
20130714T151356 tmi 5.0 0.0% 0.3 -0.3 n/a   27.3 kts
20130714T165143 tmi 23.4 0.0% 1.4 -1.4 n/a   25.9 kts
20130714T182937 tmi 12.2 0.0% 0.6 -0.6 n/a   24.6 kts
20130714T195223 ssmi15 5.0 0.0% 1.6 -1.6 n/a   23.4 kts
20130714T221751 ssmis16 5.0 0.0% 1.2 -1.2 n/a   21.4 kts
20130715T011621 ssmis18 123.4 NaN% NaN NaN 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).