Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20180216T061639 gmi_85 333.0 161.8 NaN% NaN NaN n/a   30.2 kts
20180216T102643 ssmis18_85 177.6 89.5 13.9% 3.4 -3.4 n/a   33.7 kts
20180216T104714 ssmis17_85 188.7 89.5 23.9% 1.4 -1.4 n/a   34.0 kts
20180216T171924 amsr2_85 55.5 95.1 29.0% 0.0 -0.0 n/a   35.0 kts
20180216T194524 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20180216T214018 ssmis18_85 266.4 122.9 NaN% NaN NaN n/a   35.0 kts
20180216T220023 ssmis17_85 299.7 145.1 NaN% NaN NaN n/a   35.0 kts
20180217T053100 amsr2_85 321.9 156.2 NaN% NaN NaN n/a   39.6 kts
20180217T064320 ssmi15_85 266.4 128.4 NaN% NaN NaN n/a   40.6 kts
20180217T081912 ssmis16_85 321.9 150.7 NaN% NaN NaN n/a   41.9 kts
20180217T101354 ssmis18_85 266.4 139.5 NaN% NaN NaN n/a   43.5 kts
20180217T103348 ssmis17_85 244.2 117.3 NaN% NaN NaN n/a   43.8 kts
20180217T193232 ssmis16_85 33.3 11.7 100.0% 41.0 -56.0 n/a   54.0 kts
20180217T212801 ssmis18_85 22.2 6.1 100.0% 20.8 35.8 >65 kts   65.2 kts
20180217T214713 ssmis17_85 22.2 6.1 94.5% 17.0 -32.0 n/a   67.1 kts
20180218T062705 ssmi15_85 33.3 11.7 100.0% 40.4 55.4 >65 kts   78.1 kts
20180218T080547 ssmis16_85 22.2 6.1 100.0% 32.5 47.5 >65 kts   77.2 kts
20180218T100117 ssmis18_85 22.2 6.1 100.0% 32.6 47.6 >65 kts   76.1 kts
20180218T102006 ssmis17_85 22.2 6.1 100.0% 38.6 53.6 >65 kts   75.9 kts
20180218T155640 gmi_85 33.3 11.7 100.0% 30.2 45.2 >65 kts   68.4 kts
20180218T170736 amsr2_85 33.3 11.7 100.0% 30.9 45.9 >65 kts   66.5 kts
20180218T191958 ssmis16_85 33.3 11.7 34.2% 10.0 10.0 n/a   62.8 kts
20180218T211556 ssmis18_85 155.4 72.8 0.0% 1.5 1.5 n/a   59.6 kts
20180218T213420 ssmis17_85 277.5 134.0 NaN% NaN NaN n/a   59.0 kts
20180219T051639 gmi_85 33.3 11.7 75.3% 13.6 -13.6 n/a   48.4 kts
20180219T051746 amsr2_85 44.4 17.2 65.8% 12.5 -12.5 n/a   48.4 kts
20180219T094757 ssmis18_85 66.6 28.4 42.5% 0.5 -0.5 n/a   42.8 kts
20180219T100559 ssmis17_85 210.9 100.6 NaN% NaN NaN n/a   42.4 kts
20180219T190755 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   34.1 kts
20180219T210421 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   32.4 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).