Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20210730T215103 amsr2_85 33.3 2.5 0.0% 4.4 -4.4 n/a   25.0 kts
20210731T003301 ssmis18_85 166.5 78.4 0.0% 1.9 -1.9 n/a   25.0 kts
20210731T005707 ssmis16_85 77.7 56.1 0.0% 1.7 -1.7 n/a   25.0 kts
20210731T012018 gmi_85 77.7 33.9 NaN% NaN NaN n/a   25.0 kts
20210731T025603 ssmis17_85 22.2 28.4 4.1% 0.0 -0.0 n/a   25.0 kts
20210731T100557 amsr2_85 55.5 28.4 12.3% 3.1 -3.1 n/a   25.0 kts
20210731T123418 ssmi15_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210731T124519 gmi_85 155.4 72.8 19.2% 3.9 -3.9 n/a   25.0 kts
20210731T131014 ssmis18_85 255.3 50.6 12.3% 1.5 -1.5 n/a   25.0 kts
20210731T133425 ssmis16_85 199.8 83.9 20.6% 3.9 -3.9 n/a   25.0 kts
20210731T153300 ssmis17_85 288.6 61.7 19.2% 5.2 -5.2 n/a   25.0 kts
20210801T002010 ssmis18_85 210.9 6.1 NaN% NaN NaN n/a   25.0 kts
20210801T004402 ssmis16_85 222.0 2.5 0.0% 0.0 -0.0 n/a   25.0 kts
20210801T024240 ssmis17_85 210.9 100.6 2.7% 2.7 -2.7 n/a   25.0 kts
20210801T125750 ssmis18_85 321.9 156.2 NaN% NaN NaN n/a   25.0 kts
20210801T132131 ssmis16_85 310.8 150.7 0.0% 4.2 -4.2 n/a   25.0 kts
20210801T151936 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210801T213851 amsr2_85 88.8 39.5 4.1% 2.8 -2.8 n/a   25.0 kts
20210802T003111 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210802T010654 ssmi15_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210802T011019 gmi_85 210.9 100.6 NaN% NaN NaN n/a   25.0 kts
20210802T095350 amsr2_85 244.2 117.3 NaN% NaN NaN n/a   25.0 kts
20210802T123518 gmi_85 288.6 139.5 NaN% NaN NaN n/a   25.0 kts
20210802T124506 ssmis18_85 177.6 83.9 NaN% NaN NaN n/a   25.0 kts
20210802T130838 ssmis16_85 233.1 111.7 NaN% NaN NaN n/a   25.0 kts
20210802T150622 ssmis17_85 233.1 111.7 NaN% NaN NaN n/a   25.0 kts
20210802T222159 amsr2_85 188.7 89.5 5.5% 1.0 -1.0 n/a   25.0 kts
20210803T005253 ssmi15_85 144.3 67.3 5.5% 3.5 -3.5 n/a   25.0 kts
20210803T013620 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210803T103632 amsr2_85 66.6 28.4 0.0% 2.8 -2.8 n/a   25.0 kts
20210803T132750 ssmi15_85 288.6 139.5 NaN% NaN NaN n/a   25.0 kts
20210804T010018 gmi_85 11.1 2.5 0.0% 1.2 -1.2 n/a   25.0 kts
20210804T012343 ssmis18_85 288.6 139.5 NaN% NaN NaN n/a   25.0 kts
20210804T014653 ssmis16_85 210.9 100.6 NaN% NaN NaN n/a   25.0 kts
20210804T034410 ssmis17_85 277.5 134.0 NaN% NaN NaN n/a   25.0 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).