Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20160420T023637 ssmi15 23.4 79.5% 8.9 -8.9 n/a   33.1 kts
20160420T041540 ssmis16 78.9 90.4% 4.7 -19.7 n/a   34.4 kts
20160420T071536 ssmis18 78.9 46.6% 0.0 -0.0 n/a   35.0 kts
20160420T152554 ssmis16 67.8 NaN% NaN NaN n/a   37.3 kts
20160420T181414 ssmis17 78.9 8.2% 5.5 -5.5 n/a   40.2 kts
20160420T182600 ssmis18 112.3 NaN% NaN NaN n/a   40.4 kts
20160421T040252 ssmis16 45.6 54.8% 12.8 -12.8 n/a   45.0 kts
20160421T060918 ssmis17 23.4 100.0% 20.9 -35.9 n/a   45.0 kts
20160421T070320 ssmis18 23.4 100.0% 21.0 -36.0 n/a   45.8 kts
20160421T180048 ssmis17 201.2 56.2% 8.9 8.9 n/a   55.0 kts
20160422T031021 ssmis16 34.5 100.0% 59.4 74.4 >85 kts# 70.0 kts
20160422T063756 ssmis17 12.2 100.0% 42.7 57.7 >65 kts   76.5 kts
20160422T065058 ssmis18 12.2 100.0% 37.8 52.8 >65 kts   77.1 kts
20160422T174732 ssmis17 90.1 20.6% 1.4 1.4 n/a   90.0 kts
20160423T033325 ssmis16 156.8 34.2% 6.1 6.1 n/a   90.0 kts
20160423T062432 ssmis17 167.9 11.0% 15.4 15.4 n/a   90.0 kts
20160423T062722 ssmis18 179.0 16.4% 9.5 9.5 n/a   90.0 kts
20160423T173248 ssmis17 212.4 NaN% NaN NaN n/a   90.0 kts
20160424T032247 ssmis16 5.0 0.0% 4.1 4.1 n/a   61.3 kts
20160424T052606 ssmis17 145.7 0.0% 3.7 3.7 n/a   56.4 kts
20160424T062527 ssmis18 78.9 0.0% 0.0 0.0 n/a   53.9 kts
20160424T172102 ssmis17 190.1 0.0% 3.2 -3.2 n/a   35.1 kts
20160425T030913 ssmis16 5.0 24.7% 0.0 -0.0 n/a   32.5 kts
20160425T055656 ssmis17 179.0 0.0% 3.3 -3.3 n/a   30.0 kts
20160425T061231 ssmis18 5.0 0.0% 0.0 -0.0 n/a   30.0 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).