Date/Time Sat MW Eye diam (km) Est RMW (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20180721T151121 amsr2_85 222.0 106.2 27.8% 4.0 -4.0 n/a   25.0 kts
20180721T193123 ssmis18_85 255.3 122.9 NaN% NaN NaN n/a   26.3 kts
20180722T050212 ssmis16_85 199.8 6.1 0.0% 2.9 -2.9 n/a   34.2 kts
20180722T064701 ssmis18_85 333.0 161.8 2.9% 5.6 -5.6 n/a   35.0 kts
20180722T173253 ssmis16_85 222.0 89.5 9.6% 0.9 -0.9 n/a   35.0 kts
20180722T191829 ssmis18_85 288.6 145.1 NaN% NaN NaN n/a   36.1 kts
20180722T204734 ssmis17_85 333.0 161.8 NaN% NaN NaN n/a   37.3 kts
20180723T044957 ssmis16_85 188.7 95.1 17.8% 1.9 -1.9 n/a   44.0 kts
20180723T063528 ssmis18_85 177.6 89.5 15.1% 7.2 -7.2 n/a   45.0 kts
20180723T080438 ssmis17_85 199.8 95.1 12.9% 7.0 -7.0 n/a   45.0 kts
20180723T145730 amsr2_85 99.9 45.0 35.6% 9.7 -9.7 n/a   47.5 kts
20180723T171858 ssmis16_85 199.8 95.1 48.0% 10.5 -10.5 n/a   49.4 kts
20180723T173639 gmi_85 199.8 78.4 49.3% 3.1 -3.1 n/a   49.7 kts
20180723T190441 ssmis18_85 244.2 117.3 38.4% 10.4 -10.4 n/a   49.1 kts
20180723T203257 ssmis17_85 244.2 117.3 39.7% 8.4 -8.4 n/a   47.9 kts
20180724T032139 gmi_85 88.8 78.4 NaN% NaN NaN n/a   45.0 kts
20180724T043818 ssmis16_85 66.6 28.4 19.2% 2.9 -2.9 n/a   45.0 kts
20180724T062426 ssmis18_85 99.9 45.0 0.0% 2.6 -2.6 n/a   45.0 kts
20180724T075154 ssmis17_85 233.1 111.7 3.0% 5.2 -5.2 n/a   45.0 kts
20180724T153925 amsr2_85 111.0 50.6 13.7% 2.8 -2.8 n/a   48.0 kts
20180724T170457 ssmis16_85 111.0 56.1 NaN% NaN NaN n/a   49.2 kts
20180724T201845 ssmis17_85 77.7 33.9 32.9% 4.1 -4.1 n/a   53.9 kts
20180725T042615 ssmis16_85 66.6 28.4 34.2% 3.7 3.7 n/a   63.7 kts
20180725T074009 ssmis17_85 66.6 28.4 15.1% 8.0 8.0 n/a   63.6 kts
20180725T173139 gmi_85 77.7 33.9 0.0% 5.0 5.0 n/a   55.4 kts
20180725T183131 ssmis16_85 244.2 117.3 NaN% NaN NaN n/a   55.0 kts
20180725T200404 ssmis17_85 66.6 28.4 0.0% 2.3 2.3 n/a   55.0 kts
20180725T201825 ssmis18_85 66.6 33.9 0.0% 4.7 4.7 n/a   55.0 kts
20180726T031140 gmi_85 55.5 22.8 0.0% 2.5 -2.5 n/a   52.3 kts
20180726T032507 amsr2_85 333.0 161.8 NaN% NaN NaN n/a   52.2 kts
20180726T072850 ssmis17_85 144.3 67.3 12.3% 3.8 -3.8 n/a   46.3 kts
20180726T074313 ssmis18_85 166.5 78.4 NaN% NaN NaN n/a   45.7 kts
20180726T152422 amsr2_85 44.4 17.2 0.0% 2.7 -2.7 n/a   34.5 kts
20180726T181640 gmi_85 22.2 6.1 0.0% 0.1 -0.1 n/a   31.4 kts
20180726T181645 ssmis16_85 22.2 6.1 0.0% 0.2 -0.2 n/a   31.4 kts
20180726T200435 ssmis18_85 33.3 11.7 0.0% 1.9 -1.9 n/a   29.4 kts
20180726T213009 ssmis17_85 55.5 22.8 0.0% 1.0 -1.0 n/a   27.8 kts
20180727T021639 gmi_85 144.3 39.5 NaN% NaN NaN n/a   24.1 kts
20180727T023131 amsr2_85 88.8 39.5 0.0% 1.8 -1.8 n/a   23.9 kts
20180727T054453 ssmis16_85 333.0 161.8 NaN% NaN NaN n/a   22.6 kts
20180727T071715 ssmis17_85 33.3 11.7 0.0% 2.5 -2.5 n/a   22.0 kts
20180727T073249 ssmis18_85 44.4 17.2 0.0% 3.2 -3.2 n/a   21.9 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).