Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20170830T205023 amsr2_85 266.4 128.4 NaN% NaN NaN n/a   35.0 kts
20170830T215639 gmi_85 222.0 106.2 NaN% NaN NaN n/a   35.0 kts
20170831T011533 ssmis17_85 44.4 11.7 1.4% 5.1 -5.1 n/a   36.0 kts
20170831T015206 ssmis18_85 77.7 28.4 6.8% 1.7 -1.7 n/a   36.6 kts
20170831T090036 amsr2_85 122.1 50.6 9.6% 1.3 -1.3 n/a   42.5 kts
20170831T105309 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   44.1 kts
20170831T111140 gmi_85 333.0 161.8 NaN% NaN NaN n/a   44.3 kts
20170831T134731 ssmis17_85 111.0 50.6 34.2% 3.3 -3.3 n/a   48.0 kts
20170831T142417 ssmis18_85 111.0 45.0 42.5% 2.8 -2.8 n/a   49.0 kts
20170831T210140 gmi_85 144.3 67.3 NaN% NaN NaN n/a   57.5 kts
20170831T215408 ssmi15_85 111.0 50.6 27.9% 7.7 7.7 n/a   58.3 kts
20170901T010257 ssmis17_85 77.7 33.9 NaN% NaN NaN n/a   59.1 kts
20170901T014017 ssmis18_85 122.1 56.1 26.4% 3.8 3.8 n/a   58.6 kts
20170901T102343 ssmi15_85 111.0 50.6 NaN% NaN NaN n/a   51.3 kts
20170901T141105 ssmis18_85 44.4 56.1 NaN% NaN NaN n/a   48.2 kts
20170901T203931 amsr2_85 33.3 11.7 NaN% NaN NaN n/a   45.0 kts
20170901T213910 ssmi15_85 44.4 22.8 NaN% NaN NaN n/a   45.0 kts
20170901T233722 ssmis16_85 333.0 28.4 NaN% NaN NaN n/a   45.0 kts
20170902T012835 ssmis18_85 99.9 45.0 NaN% NaN NaN n/a   45.0 kts
20170902T110640 gmi_85 333.0 161.8 NaN% NaN NaN n/a   36.5 kts
20170902T120624 ssmis16_85 233.1 111.7 NaN% NaN NaN n/a   35.0 kts
20170902T135756 ssmis18_85 333.0 156.2 NaN% NaN NaN n/a   35.0 kts
20170902T150030 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20170902T205139 gmi_85 299.7 145.1 NaN% NaN NaN n/a   32.6 kts
20170902T212343 amsr2_85 199.8 150.7 NaN% NaN NaN n/a   32.2 kts
20170902T232505 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   30.5 kts
20170903T011709 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20170903T021912 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20170903T092922 amsr2_85 11.1 2.5 0.0% 2.0 -2.0 n/a   26.4 kts
20170903T115257 ssmis16_85 22.2 6.1 0.0% 2.2 -2.2 n/a   25.1 kts
20170903T144625 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   23.8 kts
20170903T231240 ssmis16_85 266.4 128.4 NaN% NaN NaN n/a   20.3 kts
20170904T020626 ssmis17_85 310.8 150.7 NaN% NaN NaN n/a   20.0 kts
20170904T101147 amsr2_85 77.7 33.9 0.0% 3.5 -3.5 n/a   20.0 kts
20170904T105639 gmi_85 122.1 56.1 0.0% 1.4 -1.4 n/a   20.0 kts
20170904T143258 ssmis17_85 277.5 134.0 NaN% NaN NaN n/a   20.0 kts
20170904T151313 ssmis18_85 310.8 150.7 NaN% NaN NaN n/a   20.0 kts
20170904T151313 ssmisis_85 310.8 150.7 NaN% NaN NaN n/a   20.0 kts
20170904T151333 ssmis18_85 310.8 150.7 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).