Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20170502T185622 ssmis17_85 199.8 100.6 58.9% 0.0 -0.0 n/a   41.2 kts
20170503T030057 ssmi15_85 333.0 33.9 30.1% 1.3 -1.3 n/a   51.3 kts
20170503T041242 ssmis16_85 22.2 17.2 35.6% 6.6 -6.6 n/a   52.8 kts
20170503T073313 ssmis17_85 77.7 33.9 100.0% 30.3 -45.3 n/a   56.3 kts
20170503T184322 ssmis17_85 22.2 6.1 83.6% 4.8 4.8 n/a   65.9 kts
20170503T191811 ssmis18_85 22.2 NaN 64.4% 0.8 -920.0 n/a   66.6 kts
20170504T015640 gmi_85 44.4 17.2 90.4% 17.6 32.6 >65 kts   74.9 kts
20170504T071953 ssmis17_85 44.4 17.2 91.8% 15.8 30.8 >65 kts   80.6 kts
20170504T075543 ssmis18_85 33.3 11.7 86.3% 14.1 29.1 >65 kts   80.8 kts
20170504T151139 gmi_85 333.0 161.8 NaN% NaN NaN n/a   83.8 kts
20170504T153441 ssmi15_85 22.2 6.1 75.3% 0.0 0.0 n/a   84.0 kts
20170504T164945 ssmis16_85 44.4 17.2 53.4% 0.0 0.0 n/a   84.5 kts
20170504T190608 ssmis18_85 77.7 33.9 42.5% 8.2 8.2 n/a   85.0 kts
20170505T052642 ssmis16_85 77.7 33.9 100.0% 31.5 46.5 >65 kts   89.5 kts
20170505T070634 ssmis17_85 111.0 50.6 100.0% 46.4 61.4 >85 kts# 90.0 kts
20170505T074254 ssmis18_85 111.0 50.6 100.0% 44.2 59.2 >65 kts   90.0 kts
20170505T151914 ssmi15_85 55.5 22.8 83.6% 15.4 15.4 n/a   90.0 kts
20170505T163826 ssmis16_85 55.5 22.8 100.0% 44.7 59.7 >65 kts   90.0 kts
20170505T185355 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   89.3 kts
20170506T014640 gmi_85 22.2 117.3 NaN% NaN NaN n/a   85.0 kts
20170506T035420 ssmi15_85 77.7 33.9 27.4% 0.0 0.0 n/a   85.0 kts
20170506T051442 ssmis16_85 166.5 11.7 15.1% 8.1 8.1 n/a   85.0 kts
20170506T073042 ssmis18_85 222.0 106.2 43.8% 6.8 6.8 n/a   86.3 kts
20170506T162511 ssmis16_85 111.0 56.1 58.9% 8.4 8.4 n/a   90.0 kts
20170506T194451 ssmis17_85 77.7 83.9 63.0% 7.9 7.9 n/a   90.0 kts
20170507T050128 ssmis16_85 66.6 33.9 49.3% 17.8 17.8 n/a   85.8 kts
20170507T071753 ssmis18_85 66.6 28.4 12.3% 6.8 6.8 n/a   87.2 kts
20170507T141140 gmi_85 66.6 22.8 4.1% 16.4 16.4 n/a   104.1 kts
20170507T193211 ssmis17_85 66.6 28.4 100.0% 47.6 62.6 >85 kts# 118.7 kts
20170508T044722 ssmis16_85 55.5 22.8 100.0% 35.6 50.6 >65 kts   115.0 kts
20170508T080642 ssmis17_85 44.4 17.2 100.0% 26.9 41.9 >65 kts   111.5 kts
20170508T191923 ssmis17_85 233.1 111.7 41.1% 5.2 5.2 n/a   98.9 kts
20170509T004140 gmi_85 155.4 72.8 100.0% 26.8 41.8 >65 kts   94.4 kts
20170509T043324 ssmis16_85 33.3 11.7 100.0% 38.2 53.2 >65 kts   91.2 kts
20170509T075231 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   85.3 kts
20170509T140139 gmi_85 333.0 161.8 NaN% NaN NaN n/a   69.9 kts
20170509T190640 ssmis17_85 177.6 78.4 0.0% 2.6 2.6 n/a   57.7 kts
20170509T235139 gmi_85 333.0 161.8 NaN% NaN NaN n/a   47.8 kts
20170510T073817 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20170510T131140 gmi_85 333.0 161.8 NaN% NaN NaN n/a   32.7 kts
20170510T185433 ssmis17_85 155.4 72.8 NaN% NaN NaN 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).