Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning NHC estimate
20180726T212558 amsr2_85 44.4 33.9 28.8% 2.7 -2.7 n/a   30.0 kts
20180727T002947 ssmis16_85 333.0 83.9 NaN% NaN NaN n/a   30.0 kts
20180727T021736 ssmis18_85 122.1 56.1 NaN% NaN NaN n/a   30.0 kts
20180727T093955 amsr2_85 77.7 161.8 NaN% NaN NaN n/a   33.1 kts
20180727T110139 gmi_85 33.3 11.7 35.6% 7.5 -7.5 n/a   34.2 kts
20180727T145401 ssmis18_85 222.0 106.2 4.1% 8.2 -8.2 n/a   32.6 kts
20180727T220921 amsr2_85 155.4 33.9 11.0% 3.9 -3.9 n/a   30.0 kts
20180727T223140 gmi_85 133.2 22.8 16.4% 3.7 -3.7 n/a   30.0 kts
20180728T001719 ssmis16_85 66.6 28.4 5.5% 3.5 -3.5 n/a   30.0 kts
20180728T020538 ssmis18_85 199.8 95.1 5.5% 3.3 -3.3 n/a   30.0 kts
20180728T033034 ssmis17_85 166.5 78.4 6.8% 2.1 -2.1 n/a   30.0 kts
20180728T102258 amsr2_85 66.6 28.4 5.5% 5.2 -5.2 n/a   30.0 kts
20180728T114640 gmi_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180728T125243 ssmis16_85 155.4 72.8 4.1% 2.8 -2.8 n/a   30.0 kts
20180728T144141 ssmis18_85 188.7 95.1 23.3% 3.2 -3.2 n/a   30.0 kts
20180728T160555 ssmis17_85 233.1 111.7 NaN% NaN NaN n/a   30.0 kts
20180729T031741 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   30.0 kts
20180729T110539 amsr2_85 22.2 6.1 0.0% 2.2 -2.2 n/a   30.0 kts
20180729T155240 ssmis17_85 33.3 6.1 0.0% 0.2 -0.2 n/a   30.0 kts
20180729T221640 gmi_85 22.2 6.1 0.0% 0.9 -0.9 n/a   29.3 kts
20180730T013259 ssmis16_85 188.7 89.5 NaN% NaN NaN n/a   27.5 kts
20180730T032225 ssmis18_85 166.5 78.4 0.0% 6.6 -6.6 n/a   26.5 kts
20180730T113639 gmi_85 77.7 33.9 0.0% 0.0 -0.0 n/a   25.0 kts
20180730T155733 ssmis18_85 333.0 161.8 NaN% NaN NaN n/a   25.0 kts
20180730T224057 amsr2_85 11.1 2.5 0.0% 4.8 -4.8 n/a   25.0 kts
20180731T011948 ssmis16_85 122.1 56.1 0.0% 2.8 -2.8 n/a   25.0 kts
20180731T031005 ssmis18_85 177.6 83.9 0.0% 2.5 -2.5 n/a   25.0 kts
20180731T043212 ssmis17_85 33.3 11.7 0.0% 3.6 -3.6 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).