Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20181020T081918 amsr2_85 88.8 33.9 16.4% 2.4 -2.4 n/a   31.9 kts
20181020T091139 gmi_85 11.1 6.1 43.8% 5.1 -5.1 n/a   32.7 kts
20181020T112529 ssmis16_85 22.2 33.9 20.6% 2.9 -2.9 n/a   34.5 kts
20181020T141532 ssmis17_85 244.2 117.3 NaN% NaN NaN n/a   38.8 kts
20181020T204905 amsr2_85 22.2 6.1 32.9% 4.4 -4.4 n/a   49.7 kts
20181020T223706 ssmis16_85 77.7 28.4 53.4% 6.0 -6.0 n/a   52.7 kts
20181021T012644 ssmis17_85 22.2 6.1 11.0% 4.2 4.2 n/a   58.6 kts
20181021T090157 amsr2_85 55.5 22.8 79.5% 7.8 7.8 n/a   75.1 kts
20181021T111156 ssmis16_85 22.2 6.1 100.0% 10.6 25.6 >65 kts   78.7 kts
20181021T140122 ssmis17_85 66.6 28.4 95.9% 18.1 33.1 >65 kts   85.1 kts
20181021T194639 gmi_85 22.2 11.7 100.0% 35.1 50.1 >65 kts   102.4 kts
20181021T222430 ssmis16_85 22.2 6.1 100.0% 37.5 52.5 >65 kts   113.4 kts
20181022T010031 ssmis18_85 22.2 6.1 100.0% 42.5 57.5 >65 kts   122.5 kts
20181022T011412 ssmis17_85 22.2 6.1 100.0% 50.1 65.1 >85 kts# 123.1 kts
20181022T105835 ssmis16_85 11.1 2.5 100.0% 13.7 28.7 >65 kts   139.1 kts
20181022T133609 ssmis18_85 11.1 2.5 100.0% 16.6 31.6 >65 kts   140.0 kts
20181022T134741 ssmis17_85 122.1 56.1 NaN% NaN NaN n/a   140.0 kts
20181022T203757 amsr2_85 22.2 6.1 86.3% 12.7 27.7 >65 kts   135.6 kts
20181023T005012 ssmis18_85 111.0 50.6 100.0% 23.7 38.7 >65 kts   128.6 kts
20181023T010136 ssmis17_85 122.1 56.1 100.0% 25.4 40.4 >65 kts   128.3 kts
20181023T081139 gmi_85 77.7 33.9 NaN% NaN NaN n/a   116.3 kts
20181023T084836 amsr2_85 77.7 33.9 100.0% 30.7 45.7 >65 kts   115.3 kts
20181023T104445 ssmis16_85 66.6 28.4 100.0% 43.1 58.1 >65 kts   112.1 kts
20181023T132254 ssmis18_85 55.5 22.8 100.0% 42.0 57.0 >65 kts   108.8 kts
20181023T133344 ssmis17_85 66.6 28.4 100.0% 30.5 45.5 >65 kts   108.7 kts
20181024T003813 ssmis18_85 22.2 6.1 84.9% 14.7 14.7 n/a   98.1 kts
20181024T130906 ssmis18_85 244.2 117.3 0.0% 0.8 -0.8 n/a   25.4 kts
20181024T131907 ssmis17_85 111.0 50.6 0.0% 3.4 -3.4 n/a   25.2 kts
20181024T214741 ssmis16_85 11.1 2.5 0.0% 0.8 -0.8 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).