Date/Time Sat Diameter (km) Ring % Tb diff (K) Score Meaning JTWC estimate
20150130T222432 tmi 45.6 100.0% 20.1 -35.1 n/a   37.7 kts
20150131T063136 tmi 90.1 42.5% 2.4 -2.4 n/a   45.6 kts
20150131T070804 ssmis17 23.4 76.7% 16.7 -16.7 n/a   46.4 kts
20150131T155635 ssmi15 12.2 21.9% 1.9 -1.9 n/a   61.7 kts
20150131T182638 ssmis17 45.6 56.2% 2.7 -2.7 n/a   65.6 kts
20150131T210150 ssmis18 78.9 95.9% 18.0 33.0 >65 kts   69.8 kts
20150201T042835 ssmi15 12.2 23.3% 1.0 1.0 n/a   79.6 kts
20150201T052148 tmi 34.5 NaN% NaN NaN n/a   79.9 kts
20150201T062618 ssmis17 23.4 84.9% 3.5 3.5 n/a   80.0 kts
20150201T093039 ssmis18 145.7 NaN% NaN NaN n/a   78.3 kts
20150201T093646 ssmis18 12.2 NaN% NaN NaN n/a   78.2 kts
20150201T154140 ssmi15 67.8 35.6% 4.3 4.3 n/a   71.8 kts
20150201T182845 ssmis17 212.4 NaN% NaN NaN n/a   69.7 kts
20150201T205011 ssmis18 56.7 39.7% 0.0 0.0 n/a   68.7 kts
20150201T214314 tmi 56.7 23.3% 0.0 0.0 n/a   68.3 kts
20150202T041131 ssmi15 145.7 4.1% 0.5 0.5 n/a   65.9 kts
20150202T070014 ssmis17 212.4 NaN% NaN NaN n/a   64.4 kts
20150202T092156 ssmis18 34.5 5.5% 1.6 1.6 n/a   62.8 kts
20150202T152634 ssmi15 23.4 79.5% 15.0 15.0 n/a   57.5 kts
20150202T175217 ssmis16 23.4 72.6% 7.3 7.3 n/a   55.1 kts
20150202T203853 ssmis18 67.8 32.9% 3.7 3.7 n/a   51.5 kts
20150202T221100 tmi 212.4 9.6% 3.3 -3.3 n/a   49.0 kts
20150203T035443 ssmi15 56.7 50.7% 9.0 -9.0 n/a   40.9 kts
20150203T062155 ssmis16 NaN 57.5% 0.0 -920.0 n/a   40.0 kts
20150203T085955 ssmis18 NaN 49.3% 0.0 -920.0 n/a   40.0 kts
20150203T151157 ssmi15 212.4 0.0% 0.0 -0.0 n/a   34.9 kts
20150203T174033 ssmis16 123.4 0.0% 4.3 -4.3 n/a   30.6 kts
20150203T202741 ssmis18 45.6 0.0% 6.4 -6.4 n/a   30.0 kts
20150203T223832 tmi 12.2 0.0% 3.8 -3.8 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).