Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20201130T192943 amsr2_85 244.2 117.3 NaN% NaN NaN n/a   35.0 kts
20201130T223058 ssmis16_85 55.5 22.8 0.0% 2.5 -2.5 n/a   35.0 kts
20201130T223319 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20201201T075510 amsr2_85 66.6 28.4 NaN% NaN NaN n/a   35.0 kts
20201201T112149 ssmis18_85 144.3 67.3 24.7% 4.5 -4.5 n/a   35.0 kts
20201201T131216 ssmis17_85 222.0 106.2 NaN% NaN NaN n/a   35.0 kts
20201201T201217 amsr2_85 199.8 95.1 NaN% NaN NaN n/a   38.7 kts
20201201T221741 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   42.2 kts
20201202T110645 ssmis16_85 277.5 134.0 NaN% NaN NaN n/a   40.0 kts
20201202T110919 ssmis18_85 321.9 156.2 NaN% NaN NaN n/a   40.0 kts
20201202T125906 ssmis17_85 244.2 89.5 14.9% 4.5 -4.5 n/a   40.0 kts
20201202T234841 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   40.0 kts
20201203T013758 ssmis17_85 44.4 17.2 1.4% 0.0 -0.0 n/a   38.6 kts
20201203T074334 amsr2_85 321.9 156.2 NaN% NaN NaN n/a   35.0 kts
20201203T105347 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20201203T105659 ssmis18_85 222.0 161.8 NaN% NaN NaN n/a   35.0 kts
20201203T124603 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20201203T195957 amsr2_85 321.9 156.2 NaN% NaN NaN n/a   35.0 kts
20201203T233239 ssmis16_85 122.1 72.8 NaN% NaN NaN n/a   35.0 kts
20201203T233553 ssmis18_85 144.3 61.7 NaN% NaN NaN n/a   35.0 kts
20201204T012427 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   35.0 kts
20201204T082633 amsr2_85 321.9 11.7 NaN% NaN NaN n/a   33.0 kts
20201204T104058 ssmis16_85 321.9 50.6 NaN% NaN NaN n/a   31.1 kts
20201204T204303 amsr2_85 77.7 33.9 53.6% 2.4 -2.4 n/a   30.0 kts
20201204T231942 ssmis16_85 177.6 83.9 NaN% NaN NaN n/a   28.7 kts
20201204T232327 ssmis18_85 177.6 83.9 NaN% NaN NaN n/a   28.7 kts
20201205T011122 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   27.7 kts
20201205T102753 ssmis16_85 333.0 161.8 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).