Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20210216T092755 ssmis17_85 255.3 122.9 NaN% NaN NaN n/a   25.0 kts
20210216T162435 amsr2_85 177.6 83.9 8.2% 10.4 -10.4 n/a   25.0 kts
20210216T190420 ssmis16_85 22.2 6.1 65.8% 0.0 -0.0 n/a   25.0 kts
20210216T190739 ssmi15_85 33.3 11.7 86.3% 0.0 -15.0 n/a   25.0 kts
20210216T193206 ssmis18_85 188.7 89.5 NaN% NaN NaN n/a   25.0 kts
20210216T220831 ssmis17_85 177.6 83.9 24.7% 3.3 -3.3 n/a   25.0 kts
20210217T044931 amsr2_85 99.9 45.0 0.0% 2.6 -2.6 n/a   25.0 kts
20210217T075018 gmi_85 266.4 128.4 NaN% NaN NaN n/a   26.5 kts
20210217T075201 ssmis16_85 310.8 150.7 NaN% NaN NaN n/a   26.6 kts
20210217T091501 ssmis17_85 111.0 50.6 0.0% 1.6 -1.6 n/a   27.7 kts
20210217T170721 amsr2_85 188.7 89.5 16.4% 2.9 -2.9 n/a   30.0 kts
20210217T191911 ssmis18_85 222.0 145.1 NaN% NaN NaN n/a   31.1 kts
20210217T192018 gmi_85 199.8 95.1 8.2% 4.3 -4.3 n/a   31.1 kts
20210217T215449 ssmis17_85 166.5 78.4 NaN% NaN NaN n/a   33.3 kts
20210218T073912 ssmis16_85 210.9 100.6 9.6% 3.5 -3.5 n/a   35.0 kts
20210218T080803 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20210218T214106 ssmis17_85 255.3 122.9 NaN% NaN NaN n/a   41.1 kts
20210219T043742 amsr2_85 11.1 117.3 NaN% NaN NaN n/a   45.0 kts
20210219T072621 ssmis16_85 188.7 111.7 NaN% NaN NaN n/a   45.0 kts
20210219T074019 gmi_85 177.6 83.9 27.4% 3.1 -3.1 n/a   45.0 kts
20210219T075448 ssmis18_85 166.5 72.8 32.9% 3.6 -3.6 n/a   45.0 kts
20210219T165519 amsr2_85 22.2 6.1 0.0% 1.2 -1.2 n/a   45.0 kts
20210219T191019 gmi_85 99.9 56.1 0.0% 3.6 -3.6 n/a   43.0 kts
20210221T042548 amsr2_85 66.6 78.4 NaN% NaN NaN n/a   33.7 kts
20210221T224108 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20210222T050927 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   23.8 kts
20210222T095111 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   21.2 kts
20210222T172500 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   20.0 kts
20210222T222808 ssmis17_85 333.0 161.8 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).