Table 3: Differences between reanalysis datasets and their significance for SH active cyclone track region (32.5°E–42.5°W, 52.5°S–67.5°S) for (a) frequency and (b) intensity.
(a)

Reanalysis dataset Frequency difference -value2-tail 90% significant?

NCEP1_7910-NCEP2_7910−.03.4N
NCEP1_7910-NCEP1_5078−.575.97Y
NCEP1_5801-ERA40_5801.121.26N

(b)

Reanalysis dataset MSLP difference -value2-tail 90% significant?

NCEP1_7910-NCEP2_7910.25.62N
NCEP1_7910-NCEP1_5078−1.973.06Y
NCEP1_5801-ERA40_58013.97.46Y