Fig. 10: DJF \(\overline{{v}^{{\prime} 2}}\) at 850 hPa. | npj Climate and Atmospheric Science

Fig. 10: DJF \(\overline{{v}^{{\prime} 2}}\) at 850 hPa.

From: Synergistic effect of boreal autumn SST over the tropical and South Pacific and winter NAO on winter precipitation in the southern Europe

Fig. 10

Composites of DJF \(\overline{{v}^{{\prime} 2}}\) (m–2 s–2) anomalies at 850 hPa for a NAO−\TSPT+, b TSPT+\NAO−, c NAO−⊕TSPT+, d linear superposition of (a, b), e difference between (c, d). Bars in (f) indicate area mean values in the black box in (a–e). Crossed areas in (a–c) are significant at or above the 90% confidence level. Red dotted areas in (e) indicate the amplitude of anomalies in (c) are significantly stronger than those in (a, b). Black slash bar in (f) indicates composites to climatology are significant at the 90% confidence level, and red slash bar in (f) indicates composite in (c) is significantly stronger than that in (a). The line variation over the bar in (f) indicates standard deviation.

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