Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170527T210921 ssmi15_85 277.5 139.5 NaN% NaN NaN n/a   32.6 kts
20170527T215112 ssmis16_85 233.1 122.9 NaN% NaN NaN n/a   33.2 kts
20170528T002108 ssmis18_85 277.5 134.0 NaN% NaN NaN n/a   35.0 kts
20170528T010615 ssmis17_85 55.5 22.8 41.1% 1.6 -1.6 n/a   35.0 kts
20170528T072436 amsr2_85 166.5 78.4 13.7% 4.8 -4.8 n/a   36.2 kts
20170528T081913 ssmi15_85 99.9 61.7 NaN% NaN NaN n/a   36.9 kts
20170528T121715 ssmis17_85 333.0 28.4 0.0% 0.3 -0.3 n/a   40.0 kts
20170528T193726 amsr2_85 255.3 122.9 28.8% 3.7 -3.7 n/a   42.7 kts
20170528T205236 ssmi15_85 255.3 117.3 24.6% 7.2 -7.2 n/a   44.8 kts
20170528T213718 ssmis16_85 333.0 100.6 1.4% 5.3 -5.3 n/a   46.0 kts
20170529T000751 ssmis18_85 299.7 134.0 NaN% NaN NaN n/a   50.1 kts
20170529T004639 gmi_85 222.0 106.2 8.2% 7.4 -7.4 n/a   50.6 kts
20170529T005200 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   50.7 kts
20170529T080400 ssmi15_85 177.6 83.9 28.8% 1.7 1.7 n/a   55.0 kts
20170529T120447 ssmis17_85 244.2 161.8 NaN% NaN NaN n/a   55.0 kts
20170529T203544 ssmi15_85 55.5 22.8 50.7% 9.3 9.3 n/a   59.3 kts
20170530T003722 ssmis17_85 55.5 22.8 100.0% 25.2 40.2 >65 kts   65.0 kts
20170530T071426 amsr2_85 33.3 11.7 83.6% 8.0 8.0 n/a   55.6 kts
20170530T074924 ssmi15_85 333.0 161.8 NaN% NaN NaN n/a   54.3 kts
20170530T111639 gmi_85 55.5 22.8 0.0% 4.4 -4.4 n/a   46.6 kts
20170530T115304 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   45.3 kts
20170530T201809 ssmi15_85 333.0 161.8 NaN% NaN NaN n/a   34.6 kts
20170531T002258 ssmis17_85 244.2 117.3 0.0% 2.1 -2.1 n/a   30.0 kts
20170531T004139 gmi_85 188.7 89.5 0.0% 2.4 -2.4 n/a   30.0 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).