Table 1 Mann-Kendall test applied to spatially averaged sea surface wind speeds and drifter-observed near-surface ocean current speeds under weak TCs

From: Limited global intensification of weak tropical cyclones over the past 30 years

Basin

Wind

Current

Trend(cm s−1)

P value

Trend(cm s−1)

P value

NA

−0.14

0.8305

0.1593

0.0417

NEP

−0.49

0.1989

0.1865

0.0125

NWP

−0.02

0.6947

0.1788

0.0744

NI

−4.02

0.0037

0.1480

0.1386

SI

1.49

0.4118

0.1055

0.3008

SP

1.94

0.0935

0.3310

0.0092

Global

0.34

0.9715

0.1727

0.0060

  1. The wind speeds were derived from the current speeds using the SSWS model.
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