Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20181231T082835 ssmis16_85 255.3 117.3 12.3% 4.0 -4.0 n/a   27.1 kts
20181231T100410 ssmis18_85 244.2 128.4 NaN% NaN NaN n/a   28.4 kts
20181231T105747 ssmis17_85 133.2 45.0 17.8% 0.2 -0.2 n/a   29.1 kts
20181231T224428 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   30.9 kts
20181231T233653 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   31.0 kts
20190101T055116 amsr2_85 55.5 39.5 9.6% 1.0 -1.0 n/a   32.2 kts
20190101T081501 ssmis16_85 288.6 56.1 0.0% 4.8 -4.8 n/a   32.6 kts
20190101T095107 ssmis18_85 177.6 134.0 NaN% NaN NaN n/a   32.9 kts
20190101T104353 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   33.1 kts
20190101T180940 amsr2_85 310.8 150.7 NaN% NaN NaN n/a   34.5 kts
20190101T203639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   34.9 kts
20190101T205543 ssmis16_85 199.8 89.5 12.3% 3.2 -3.2 n/a   35.0 kts
20190101T223200 ssmis18_85 277.5 56.1 17.8% 4.2 -4.2 n/a   35.3 kts
20190101T232426 ssmis17_85 210.9 83.9 NaN% NaN NaN n/a   35.4 kts
20190102T063418 amsr2_85 277.5 139.5 NaN% NaN NaN n/a   36.8 kts
20190102T185230 amsr2_85 88.8 22.8 11.0% 0.0 -0.0 n/a   39.1 kts
20190102T204246 ssmis16_85 133.2 83.9 4.1% 5.1 -5.1 n/a   39.4 kts
20190102T221937 ssmis18_85 210.9 78.4 13.7% 3.8 -3.8 n/a   39.7 kts
20190102T231114 ssmis17_85 155.4 161.8 NaN% NaN NaN n/a   39.8 kts
20190103T110742 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20190103T115844 ssmis17_85 299.7 128.4 NaN% NaN NaN n/a   35.0 kts
20190104T062258 amsr2_85 155.4 72.8 16.9% 6.5 -6.5 n/a   49.7 kts
20190104T091751 ssmis16_85 44.4 89.5 42.0% 1.2 -1.2 n/a   47.3 kts
20190104T105542 ssmis18_85 155.4 83.9 18.8% 6.8 -6.8 n/a   45.9 kts
20190104T114558 ssmis17_85 111.0 134.0 NaN% NaN NaN n/a   45.2 kts
20190104T183942 amsr2_85 233.1 106.2 NaN% NaN NaN n/a   39.4 kts
20190104T211138 gmi_85 333.0 161.8 NaN% NaN NaN n/a   37.3 kts
20190104T233514 ssmis18_85 266.4 161.8 NaN% NaN NaN n/a   35.3 kts
20190105T002503 ssmis17_85 155.4 72.8 NaN% NaN NaN n/a   34.7 kts
20190105T090523 ssmis16_85 244.2 117.3 NaN% NaN NaN n/a   30.0 kts
20190105T113310 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20190105T232208 ssmis18_85 66.6 28.4 8.2% 1.4 -1.4 n/a   23.7 kts
20190106T001133 ssmis17_85 55.5 22.8 28.8% 1.1 -1.1 n/a   23.2 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).